CAPRYLIC/CAPRIC ACID

WHAT IS CAPRYLIC/CAPRIC ACID?

Caprylic/Capric Acid, known as Kaprilik/Kaprik Asit, Kaprilik Kaprik Asit, or C8-C10 Yağ Asidi in Turkish, is a commercial binary mixture of two straight-chain saturated medium-chain fatty acids: caprylic acid (octanoic acid, C8H16O2, CAS No. 124-07-2) and capric acid (decanoic acid, C10H20O2, CAS No. 334-48-5). Rather than being a single pure chemical species, it is a defined oleochemical distillate fraction registered under the mixture identifier CAS No. 68937-75-7 and EC / EINECS No. 273-086-2 (Fatty acids, C8-10).

In tropical lauric seed oils—specifically coconut oil (Cocos nucifera) and palm kernel oil (Elaeis guineensis)—caprylic acid (C8:0) and capric acid (C10:0) occur together in a natural weight ratio of approximately 55:45 to 60:40 (C8:C10). During vacuum fractional distillation of split coconut or palm kernel fatty acids, after low-boiling C6 caproic acid is stripped overhead in a topping column, the combined C8 and C10 medium-chain fraction is distilled overhead together as Caprylic/Capric Acid, leaving C12–C18 fatty acids (lauric, myristic, palmitic, stearic, and oleic acids) in the column bottoms.
Co-distilling C8 and C10 as Caprylic/Capric Acid offers two major industrial advantages: first, it avoids the capital and thermal energy cost of a high-reflux C8/C10 splitter column whenever the downstream product (such as standard MCT oil or mixed polyol esters) naturally requires both chain lengths; second, mixing C8 and C10 chains creates a eutectic liquid whose solidification point (0 to 10 degrees Celsius) is far lower than either pure Caprylic Acid (~16.5 degrees Celsius) or pure Capric Acid (~31.5 degrees Celsius).

Buyers and formulators must carefully distinguish Caprylic/Capric Acid (the free, unesterified carboxylic acid mixture, CAS 68937-75-7, Acid Value ~354–370 mg KOH/g) from Caprylic/Capric Triglyceride (MCT Oil, CAS 73398-61-5 or 65381-09-1, Acid Value <= 0.2 mg KOH/g). Although non-technical trade descriptions occasionally confuse the two terms, Caprylic/Capric Acid is a corrosive organic acid raw material used to synthesize neutral Caprylic/Capric Triglyceride esters, and must never be used as a direct consumer substitute for neutral MCT oil.

Common Product and Chemical Names:
Caprylic/Capric Acid
Caprylic Capric Acid
Caprylic-Capric Acid
Fatty Acids, C8-10
C8-10 Fatty Acid
C8-C10 Fatty Acid
C810 Fatty Acid
Octanoic/Decanoic Acid
Octanoic-Decanoic Acid Blend
Reaction Mass of Octanoic Acid and Decanoic Acid
Mixed Caprylic and Capric Acids
Fractionated C8-C10 Fatty Acid
Topped Coconut Fatty Acid C8-C10 Cut
Palm Kernel C8-10 Distilled Fatty Acid
Kaprilik/Kaprik Asit
Kaprilik Kaprik Asit
Oktanoik/Dekanoik Asit Karışımı
C8-C10 Yağ Asidi

CAS NO, EC / EINECS NO AND INCI NAME

Product name: Caprylic/Capric Acid
Official chemical inventory name: Fatty acids, C8-10 (IUPAC: Reaction mass of octanoic acid and decanoic acid)
Common trade names: Caprylic/Capric Acid, Caprylic Capric Acid, C8-C10 Fatty Acid, C810 Acid
Turkish chemical names: Kaprilik/Kaprik Asit, Kaprilik Kaprik Asit, C8-C10 Yağ Asidi
CAS No (Mixture / UVCB): 68937-75-7 (also covered in broader cuts under CAS 67762-36-1, Fatty acids, C6-12)
Constituent CAS Numbers: 124-07-2 (Caprylic Acid / Octanoic Acid, C8) and 334-48-5 (Capric Acid / Decanoic Acid, C10)
EC / EINECS No (Mixture): 273-086-2
Constituent EC / EINECS Numbers: 204-677-5 (Octanoic Acid) and 206-376-4 (Decanoic Acid)
INCI Names: CAPRYLIC ACID and CAPRIC ACID (declared by constituent INCI names in cosmetic ingredient listings)
Food Additive Code: E570 (Fatty acids, European Union) / 21 CFR 172.860, 21 CFR 184.1025 & 21 CFR 178.1010 (US FDA)
Molecular Formula: Binary mixture of C8H16O2 (CH3(CH2)6COOH) and C10H20O2 (CH3(CH2)8COOH) (sometimes indexed in chemical databases by the average formula C9H18O2)
Average Molecular Weight: Approximately 154.0 to 158.5 g/mol depending on C8:C10 weight ratio (pure C8 = 144.21 g/mol; pure C10 = 172.26 g/mol)
Chemical Class: Saturated straight-chain medium-chain monocarboxylic fatty acid blend (C8:0 + C10:0)
Physical Form: Clear, colorless to pale yellowish oily liquid above 0–10 °C; white crystalline slush or solid below 0 °C
Ionic Character: Weak monoprotic organic acid mixture (pKa ~4.89–4.90 at 25 °C; uncharged lipophilic acid in acidic media, anionic carboxylate soap in alkaline media)
Typical Commercial C8:C10 Ratios: 60:40, 58:42, or 55:45 w/w C8:C10 (general specification range: 50%–65% C8 and 35%–48% C10)
Main Technical Functions: Primary acyl feedstock for MCT oil and cosmetic emollient esters, synthetic polyol ester (POE) lubricant monomer, alkanolamine-carboxylate corrosion inhibitor precursor, low-foam acidic food-contact surface sanitizer active, agricultural contact herbicide active, non-yellowing alkyd modifier, PVC heat stabilizer intermediate, and perfumery/dye intermediate
Because Caprylic/Capric Acid is a binary substance of defined chain-length range rather than a single pure compound, regulatory dossiers and Safety Data Sheets may list either the mixture identifier CAS No. 68937-75-7 (EC No. 273-086-2) or the two constituent identifiers CAS No. 124-07-2 (Octanoic acid, EC 204-677-5) and CAS No. 334-48-5 (Decanoic acid, EC 206-376-4) under REACH Reaction Mass conventions.
Some electronic chemical directories index CAS 68937-75-7 with the empirical formula C9H18O2 and molecular weight 158.24 g/mol; buyers should note that this is merely a mathematical average of C8H16O2 and C10H20O2, not actual nine-carbon pelargonic acid (CAS 112-05-0). Natural oleochemical Caprylic/Capric Acid contains exclusively even-numbered carbon chains (C8 and C10, with trace C6 and C12).
During procurement and quality release, CAS No. 68937-75-7 (Caprylic/Capric Acid blend) must be strictly differentiated from single-cut Caprylic Acid (CAS 124-07-2), single-cut Capric Acid (CAS 334-48-5), broad un-topped C6-C12 coconut cuts (CAS 67762-36-1), and neutral esterified Caprylic/Capric Triglyceride (CAS 73398-61-5).

CHEMICAL STRUCTURE AND MOLECULAR PROPERTIES OF CAPRYLIC/CAPRIC ACID

Caprylic/Capric Acid is a binary molecular system composed of two homologous linear saturated monocarboxylic acids: octanoic acid, which pairs a seven-carbon n-heptyl hydrocarbon tail (CH3(CH2)6-) with a terminal carboxyl group (-COOH), and decanoic acid, which pairs a nine-carbon n-nonyl hydrocarbon tail (CH3(CH2)8-) with an identical terminal carboxyl group (-COOH). Both molecules are completely saturated (lipid shorthand C8:0 and C10:0), meaning every carbon-carbon bond in their aliphatic chains is a stable covalent sigma bond with zero olefinic double bonds and zero allylic methylene positions.
The absence of carbon-carbon double bonds gives Caprylic/Capric Acid exceptional thermo-oxidative stability. Unlike unsaturated liquid fatty acids such as oleic acid (C18:1) or linoleic acid (C18:2), which undergo rapid free-radical autoxidation in air to form hydroperoxides, rancid aldehydes, and dark polymeric gums, Caprylic/Capric Acid can be heated above 200 to 230 degrees Celsius during industrial esterification or operated inside high-temperature lubricant sumps without double-bond cross-linking, coking, or oxidative rancidity.

The most practically important physical-chemical property arising from the binary C8 + C10 composition is eutectic freezing-point depression. Taken individually as pure compounds, Caprylic Acid (C8) freezes into a crystalline solid below 16.3 to 16.5 degrees Celsius, and Capric Acid (C10) is a solid at room temperature with a melting point of 31.4 to 31.6 degrees Celsius. If solidification followed a simple linear average, a 60:40 blend would freeze around 22.5 degrees Celsius. Instead, because the seven-carbon heptyl chains and nine-carbon nonyl chains have mismatched molecular lengths, they disrupt each other's ability to pack into a regular crystalline lamellar lattice.
This mutual steric frustration produces a binary eutectic system. Across the commercial composition window of 55:45 to 62:38 weight percent C8:C10, the solidification point (titer) of Caprylic/Capric Acid drops to approximately 0 to 10 degrees Celsius (and reaches a true eutectic minimum near -2 to +3 degrees Celsius around 65–70 wt% C8). Consequently, Caprylic/Capric Acid remains a mobile, pumpable liquid in unheated indoor warehouses at 10 to 15 degrees Celsius where drums of pure Caprylic Acid or pure Capric Acid would freeze solid.

In neat liquid form and in non-polar hydrocarbon or ester solvents, the carboxyl headgroups of C8 and C10 molecules associate via intermolecular hydrogen bonding to form cyclic dimers—including C8–C8 homodimers, C10–C10 homodimers, and C8–C10 heterodimers. This hydrogen-bonded dimerization elevates the atmospheric boiling range of Caprylic/Capric Acid to approximately 237 to 270 degrees Celsius and suppresses ambient vapor pressure (~0.002 to 0.004 hPa at 25 degrees Celsius).
In aqueous environments, both octanoic acid (pKa ~4.89) and decanoic acid (pKa ~4.90) behave as weak monoprotic acids whose ionization state and phase partitioning are governed by system pH. Simultaneously, their two chain lengths provide complementary hydrophobicity: C8 has an octanol-water partition coefficient (log Kow) of 3.05 and a water solubility of ~0.68 g/L at 20 degrees Celsius, whereas C10 has a log Kow of 4.09 and a water solubility of ~0.06 to 0.15 g/L at 20 degrees Celsius.

Below pH 3.8–4.0, more than 90 percent of both C8 and C10 acids exist as uncharged, lipophilic monomers (R-COOH) that partition rapidly into biological lipid bilayers, waxy plant cuticles, and organic phases. Above pH 7.0–8.5, neutralization with sodium hydroxide, potassium hydroxide, ammonia, or alkanolamines converts both chains into water-soluble anionic carboxylates (octanoate and decanoate ions, R-COO-). Because their eight- and ten-carbon tails are shorter than classic C12–C18 soap chains, aqueous caprylate/caprate salts exhibit high critical micelle concentrations and fast interfacial relaxation times, delivering rapid surface wetting, hydrotropic coupling, and metal passivation with minimal macro-foam stability.

PRODUCTION AND CHEMICAL ORIGIN OF CAPRYLIC/CAPRIC ACID

Commercial Caprylic/Capric Acid is manufactured almost exclusively via the oleochemical processing of natural lauric vegetable oils—specifically coconut oil (Cocos nucifera) and palm kernel oil (Elaeis guineensis). Unlike C16–C18 tallow, soybean, rapeseed, or sunflower oils, which contain virtually zero C8 or C10 fatty acids, coconut oil contains approximately 5% to 9% caprylic acid (C8) and 5% to 8% capric acid (C10), while palm kernel oil contains approximately 3% to 5% caprylic acid (C8) and 3% to 4% capric acid (C10).
In both coconut oil and palm kernel oil, the natural ratio of C8 to C10 inside the parent triglycerides sits near 55:45 to 60:40 by weight, while C12 lauric acid accounts for 45% to 53% and C14 myristic acid accounts for 16% to 21% of the total fatty acid profile. Industrial isolation of Caprylic/Capric Acid exploits the substantial boiling-point gap between the medium-chain C8–C10 fraction and the longer-chain C12–C18 fraction.

The primary industrial manufacturing pathway is high-pressure continuous fat splitting followed by multi-stage vacuum fractional distillation:
- Step 1: High-Pressure Steam Hydrolysis (Splitting): Refined or crude coconut oil or palm kernel oil is fed into the bottom of a continuous vertical splitting tower at 240 to 260 degrees Celsius and 45 to 60 bar against a countercurrent flow of demineralized water. Without chemical catalysts, high-temperature water hydrolyzes more than 98.5% to 99.5% of the triglyceride ester bonds, discharging aqueous sweetwater (10%–20% glycerol) from the bottom and crude split whole fatty acids (C6 through C18) from the top.

- Step 2: Topping of Low-Boiling C6 Hexanoic Acid and Odor Volatiles: After vacuum drying and degassing, the crude split fatty acids enter a first vacuum fractional distillation column ('topping column' or 'fore-run column') operating at 10 to 30 mbar with structured stainless steel packing. Because C6 caproic acid boils roughly 28 to 30 degrees Celsius lower than C8 caprylic acid, the topping column strips C6 hexanoic acid, low-molecular-weight aldehydes/ketones, and moisture overhead, reducing residual C6 in the bottoms to <= 0.5% (or <= 0.2% in low-odor cosmetic grades).

- Step 3: Overhead Co-Distillation of the C8–C10 Caprylic/Capric Cut: The topped fatty acid stream is fed into the main medium-chain fractionating column under deep vacuum (5 to 15 mbar) at reboiler temperatures carefully controlled around 185 to 215 degrees Celsius. Because C10 capric acid boils roughly 22 to 25 degrees Celsius lower than C12 lauric acid under vacuum, the combined C8 caprylic and C10 capric acids are distilled overhead together as a water-white liquid heart cut—Caprylic/Capric Acid—keeping C12 lauric acid below 0.5% to 1.0%, while the C12–C18 fraction exits the bottom for lauric acid fractionation.

In integrated oleochemical plants that also manufacture fatty alcohols or biodiesel, a secondary production route involves transesterifying coconut or palm kernel oil with methanol to form fatty acid methyl esters (FAME), fractionally distilling the C8–C10 methyl ester cut (methyl octanoate + methyl decanoate), and hydrolyzing the distilled methyl esters back into high-purity Caprylic/Capric Acid.
Stopping at the co-distilled C8–C10 Caprylic/Capric Acid stage—rather than feeding the distillate into an additional high-reflux C8/C10 splitter column to isolate 99% pure C8 and 99% pure C10—significantly reduces distillation energy consumption and carbon footprint. Ataman Kimya acts as a chemical supplier and distributor sourcing commercial grades of Caprylic/Capric Acid from established oleochemical manufacturing origins; buyers requiring specific botanical origin declarations (such as 100% coconut oil vs. palm kernel oil) or RSPO Mass Balance / Segregated palm-kernel certification should state these requirements during inquiry.

PHYSICAL AND CHEMICAL PROPERTIES OF CAPRYLIC/CAPRIC ACID

Unlike a single-component chemical with fixed thermodynamic constants, the physical and chemical properties of Caprylic/Capric Acid depend directly on the gas-chromatographic weight ratio of C8 (caprylic acid) to C10 (capric acid) in the specific commercial grade (most commonly 60:40, 58:42, or 55:45 w/w C8:C10).
General technical properties and typical commercial specification ranges:
Physical appearance (at 20–25 °C): Clear, colorless to pale yellowish mobile oily liquid
Physical appearance (below 0–5 °C): White to off-white crystalline slush or waxy solid
Odor: Mild, characteristic fatty, slightly sour odor (markedly cleaner when C6 hexanoic acid is <= 0.3%–0.5%)
CAS Registry Number: 68937-75-7 (constituents: 124-07-2 and 334-48-5)
EC / EINECS Number: 273-086-2 (constituents: 204-677-5 and 206-376-4)
INCI Names: CAPRYLIC ACID, CAPRIC ACID
Chemical composition: Binary mixture of linear octanoic acid (C8H16O2, MW 144.21 g/mol) and linear decanoic acid (C10H20O2, MW 172.26 g/mol)
Average molecular weight (at 55:45 to 60:40 C8:C10): Approximately 154.5 to 157.5 g/mol
Solidification point / Titer (ISO 935 / AOCS Tr 1a-64): Typically 0 to 10 degrees Celsius (commonly 2 to 7 °C for 60:40 C8:C10 cuts, and 5 to 10 °C for 55:45 cuts)
Initial boiling point and boiling range (at 1013 hPa): Approximately 237 to 270 degrees Celsius (literature mid-boiling point often cited around 246 °C at 101.3 kPa; ~124 to 150 °C at 13.3 hPa)
Density / Specific Gravity (at 20 °C): Approximately 0.895 to 0.908 g/cm3 (typical: 0.900 to 0.903 g/cm3)
Density (at 40 °C): Approximately 0.882 to 0.890 g/cm3
Dynamic viscosity (at 20 °C): Approximately 7.0 to 10.5 mPa·s (cP)
Kinematic viscosity (at 20 °C): Approximately 7.8 to 11.5 mm2/s (cSt)
Refractive index (nD20): Approximately 1.4280 to 1.4330
Vapor pressure (at 25 °C): Approximately 0.002 to 0.004 hPa (low ambient volatility)
Flash point (Closed Cup, Pensky-Martens / ISO 2719): Approximately 115 to 135 degrees Celsius
Autoignition temperature: >300 degrees Celsius (typically ~390–430 °C)
Water solubility (at 20 °C): Sparingly soluble, approximately 0.20 to 0.50 g/L depending on C8:C10 ratio (freely soluble in alkaline water above pH 7.5 as carboxylate salts)
Solubility in organic solvents: Freely miscible with ethanol, isopropanol, propylene glycol, diethyl ether, acetone, aliphatic/aromatic hydrocarbons, mineral oils, and synthetic esters
Acid dissociation constant (pKa at 25 °C): Approximately 4.89 to 4.90
Octanol-water partition coefficient (log Kow): 3.05 (C8 component) to 4.09 (C10 component)
Acid Value (AV, ISO 660 / AOCS Te 1a-64): Typically 354 to 370 mg KOH/g (theoretical AV is 361.3 mg KOH/g at 60:40 w/w C8:C10, and 358.1 mg KOH/g at 55:45 w/w C8:C10)
Saponification Value (SV, ISO 3657 / AOCS Tl 1a-64): Typically 355 to 372 mg KOH/g
Iodine Value (IV, Wijs method, ISO 3961): Theoretical 0.0 g I2/100 g; commercial specification typically <= 0.5 to <= 1.0 g I2/100 g
Color (APHA / Hazen Pt-Co, ISO 6271): Typically <= 30 to <= 60 APHA (or Lovibond 5.25-inch cell <= 3.0Y / 0.3R to <= 6.0Y / 0.6R)
Moisture / Water content (Karl Fischer, ISO 8534): Typically <= 0.10% to <= 0.20% w/w
Unsaponifiable matter (ISO 3596): Typically <= 0.15% to <= 0.30% w/w
Typical Capillary GC Chain-Length Distribution: C6 (Caproic acid) <= 0.5%–1.0%; C8 (Caprylic acid) 50%–65% (typically 55%–62%); C10 (Capric acid) 35%–48% (typically 38%–45%); C12 (Lauric acid) <= 0.5%–1.5%
These values represent standard industry ranges for fractionated Caprylic/Capric Acid and must not be assumed to apply identically to every commercial supplier or grade. Exact guaranteed limits must be confirmed via the product TDS and batch COA.

WHY EACH IMPORTANT PROPERTY OF CAPRYLIC/CAPRIC ACID MATTERS IN PRACTICE

When evaluating a Technical Data Sheet (TDS) or incoming Certificate of Analysis (COA) for Caprylic/Capric Acid, process engineers, synthesis chemists, and formulators examine specific analytical parameters because each directly governs plant operations and end-product stability:

- Capillary Gas Chromatographic (GC) C8:C10 Ratio: Because Caprylic/Capric Acid is a binary mixture, the exact weight ratio of C8 octanoic acid to C10 decanoic acid (e.g., 60:40 vs. 55:45) controls the average molecular weight, solidification temperature, ester viscosity, and aqueous hard-water tolerance. A higher C8 percentage (such as 60%–63% C8) lowers the viscosity and pour point of derived polyol esters and MCT oils, raises the Acid Value, and improves calcium tolerance in water-based metalworking fluids and CIP sanitizers. Conversely, a higher C10 percentage (such as 44%–48% C10) increases lipophilic partitioning, raises the solidification point toward 8–10 degrees Celsius, and increases ester lubricity.

- Acid Value (AV, expressed in mg KOH/g): Pure C8 Caprylic Acid has a theoretical Acid Value of 389.05 mg KOH/g, whereas pure C10 Capric Acid has a theoretical Acid Value of 325.74 mg KOH/g. For any binary C8/C10 mixture free of neutral impurities, the Acid Value is a direct mathematical reflection of the C8:C10 ratio (for example, a 60:40 w/w C8:C10 blend has a theoretical AV of 361.3 mg KOH/g, while a 55:45 blend has a theoretical AV of 358.1 mg KOH/g). In esterification reactors producing MCT oil or polyol esters, or in neutralization vessels producing amine soaps, the exact batch Acid Value on the COA determines the precise stoichiometric mass of glycerol, TMP, pentaerythritol, KOH, or alkanolamine required. Charging reactors using a fixed nominal molecular weight without adjusting for batch COA Acid Value causes hydroxyl/acid imbalance.

- Saponification Value (SV) and Ester Value (SV minus AV): Saponification Value measures both free carboxylic acids and any unsplit triglycerides, diglycerides, or methyl esters. In properly split and distilled Caprylic/Capric Acid, SV should exceed AV by no more than 0.5 to 2.0 mg KOH/g. A wider gap indicates residual unsplit neutral coconut/palm kernel oil or methyl esters, which do not neutralize in aqueous alkaline cleaners or metalworking coolants and cause hazy emulsions or oil-droplet separation.

- Light-Cut Impurity Limit (C6 Caproic Acid, %): Hexanoic acid (C6) has a pungent, rancid, sweat- and goat-like odor and a lower flash point. If the topping column leaves more than 0.5% to 1.0% C6 in Caprylic/Capric Acid, the resulting cosmetic emollients, MCT oils, or metalworking coolants suffer from objectionable malodor, higher volatile organic emissions during hot esterification, and lower closed-cup flash points.

- Heavy-Cut Impurity Limit (C12 Lauric Acid, %): Dodecanoic acid (C12) melts at 44 degrees Celsius, forms high-foaming soaps, and precipitates rapidly as insoluble calcium laurate in hard water. Keeping C12 below 0.5% to 1.0% ensures that Caprylic/Capric Acid remains non-foaming in high-pressure CIP spray loops and CNC coolant systems and maintains a low freezing point.

- Iodine Value (IV, g I2/100 g) and APHA/Lovibond Color: Because both C8:0 and C10:0 are saturated, the theoretical Iodine Value is 0.0. Specifying IV <= 0.5 or <= 1.0 g I2/100 g and color <= 30–50 APHA confirms that the distillate is free of unsaturated C18:1 carryover and iron contamination, guaranteeing water-white clarity and thermal color stability during 220 °C esterification.

- Solidification Point / Titer (0 to 10 °C): Confirms the eutectic liquid advantage of the blend. However, if winter transport cools drums or IBCs below the titer, C10 crystals precipitate first; knowing the titer alerts warehouse personnel when gentle warming and homogenization are required before pumping.
- Moisture Content (Karl Fischer, <= 0.10%–0.20%): Prevents catalyst hydrolysis in titanate- or stannous-catalyzed polyol esterification and avoids HCl gas evolution in acid chloride synthesis.

HOW DOES CAPRYLIC/CAPRIC ACID WORK AT THE MOLECULAR LEVEL?

The industrial performance of Caprylic/Capric Acid is driven by the synergistic interaction of eight-carbon and ten-carbon saturated chains across chemical synthesis, solid-liquid interfaces, and biological membranes:

- Random Mixed-Acyl Esterification and Crystallization Suppression: When Caprylic/Capric Acid is esterified with trifunctional glycerol (to make MCT oil) or multifunctional hindered polyols such as trimethylolpropane (TMP) and pentaerythritol (PE), the C8 and C10 acyl chains distribute statistically across the alcohol hydroxyl positions. Whereas pure C10 tricaprin is a solid melting at ~31 degrees Celsius and pure C8 tricaprylin melts near 9 to 10 degrees Celsius, the statistical ensemble of mixed C8/C8/C10 and C8/C10/C10 glycerol triesters in Caprylic/Capric Triglyceride cannot pack into a uniform crystal lattice, depressing the ester cloud/pour point below -5 to -15 degrees Celsius (and below -45 degrees Celsius in branched-polyol POE lubricants).

- Synergistic Dual-Chain Microbial Membrane Perturbation and Intracellular Acidification: In acidic sanitizing solutions (pH 2.0 to 4.0, well below the pKa of ~4.89), both C8 and C10 acids exist in their uncharged, protonated state (R-COOH). When contacting bacteria, yeasts, molds, or enveloped viruses, the two chain lengths perform complementary roles: the shorter, more water-soluble C8 octanoic acid (~0.68 g/L solubility) diffuses rapidly across the stagnant aqueous boundary layer and penetrates the polar lipopolysaccharide (LPS) outer membrane of Gram-negative bacteria, while the longer, more lipophilic C10 decanoic acid (log Kow 4.09) partitions ten times more strongly into the hydrophobic phospholipid bilayer core, disordering acyl packing and creating transmembrane leakage pores. Once inside the neutral cytoplasm (pH ~7.2), both acids dissociate into carboxylate anions and free protons (H+), collapsing the intracellular pH and proton motive force.

- Equilibrium Perhydrolysis to Mixed Peroxyoctanoic and Peroxydecanoic Acids: When formulated into acidic hydrogen peroxide (H2O2) and acetic acid sanitizer concentrates, Caprylic/Capric Acid undergoes reversible acid-catalyzed perhydrolysis to generate an equilibrium concentration of lipophilic peroxyoctanoic acid and peroxydecanoic acid, which penetrate hydrophobic biofilms and bacterial endospores far more rapidly than hydrophilic peroxyacetic acid alone.

- Mixed-Chain Anodic Passivation on Ferrous and Aluminum Surfaces: When neutralized with alkanolamines (monoethanolamine, triethanolamine, diglycolamine, or 2-amino-2-methyl-1-propanol) in aqueous metalworking coolants at pH 8.5 to 9.8, the negatively charged octanoate and decanoate carboxylate groups (-COO-) chemisorb onto positively charged anodic oxide sites on freshly machined cast iron, steel, or aluminum. The mixed C8 and C10 hydrocarbon tails project outward into the aqueous phase to form a dense, self-healing hydrophobic barrier film that blocks dissolved oxygen and aggressive chloride/sulfate ions without forming persistent macro-foam.

- Cuticle Wax Dissolution and Epidermal Desiccation in Contact Herbicides: Sprayed onto weed foliage as an acidic emulsion or potassium/ammonium soap, the C8 and C10 chains intercalate into the amorphous regions of plant epicuticular waxes, solubilizing the cuticle barrier and disrupting underlying epidermal plasma membranes, which leads to rapid cellular turgor loss and solar desiccation.

- Fast-Relaxing Hydrotropic Wetting and Co-Micellization: In alkaline cleaners and liquid soaps, octanoate and decanoate anions exhibit rapid monomer exchange rates and short micellar lifetimes, lowering dynamic surface tension on oily substrates and coupling nonionic surfactants into high-electrolyte solutions without gelling or excessive foaming.

WHAT PROBLEMS CAN CAPRYLIC/CAPRIC ACID HELP SOLVE?

Caprylic/Capric Acid is selected by process engineers and formulators to solve seven recurring industrial, economic, and formulation challenges.

Freezing, solid-handling bottlenecks, and heating energy costs of pure C8 and pure C10 acids
Pure Capric Acid (C10) is a hard crystalline solid below 31.5 degrees Celsius that requires steam-heated melt rooms and traced transfer piping year-round, while pure Caprylic Acid (C8) freezes into a solid below 16.5 degrees Celsius during cool spring, autumn, and winter weather. Because Caprylic/Capric Acid forms a binary eutectic liquid with a solidification point typically between 0 and 10 degrees Celsius, it remains a pumpable liquid at standard warehouse temperatures down to ~10 degrees Celsius, sharply reducing drum heating time, steam energy consumption, and transfer line blockages.

Unnecessary distillation cost of buying pure C8 and pure C10 separately for mixed-ester synthesis
Many of the largest-volume medium-chain esters in the global market—including nutritional and cosmetic Caprylic/Capric Triglyceride (MCT oil), Propylene Glycol Dicaprylate/Dicaprate, Coco-Caprylate/Caprate, and mixed C8/C10 polyol ester lubricants—require both octanoyl and decanoyl chains in their final structure to achieve low pour points and balanced viscosity. Purchasing co-distilled Caprylic/Capric Acid avoids paying for the energy-intensive fractional distillation split between C8 and C10 only to blend the two acids back together in the esterification reactor.

Oxidative rancidity, thermal darkening, and varnish formation of unsaturated liquid fatty acids
Unsaturated liquid fatty acids such as oleic acid (C18:1) and tall oil fatty acids (TOFA) oxidize rapidly at their carbon-carbon double bonds when exposed to air, heat, or metal ions, generating rancid off-odors, dark brown color bodies, peroxide buildup, and sticky polymeric varnish on machine tool slideways and compressor valves. Because Caprylic/Capric Acid is 100 percent saturated (C8:0 and C10:0) while remaining liquid at ambient temperature, its esters and amine salts resist autoxidation, yellowing, and gum formation.

Severe pump cavitation and persistent chemical residues from high-foaming CIP sanitizers
Traditional quaternary ammonium sanitizers (QACs) generate dense, stable foam in high-velocity clean-in-place (CIP) spray balls and recirculation lines—causing pump cavitation and incomplete tank wetting—and leave persistent cationic films on stainless steel that interfere with dairy starter cultures or brewery yeast fermentation. Chlorine sanitizers pit stainless steel welds and degrade rapidly in organic soil. Acidified Caprylic/Capric Acid sanitizers deliver rapid bactericidal, yeasticidal, and fungicidal knockdown with zero macro-foam and drain cleanly without persistent harmful residues.

Flash rusting and sticky soap-scum filter blinding in water-miscible metalworking coolants
Long-chain carboxylic corrosion inhibitors (such as oleic, tall oil, or lauric acid soaps) react with calcium and magnesium ions in hard make-up water to precipitate sticky soap scum that blinds coolant filters and coats CNC machine windows, while foaming heavily under high-pressure through-spindle coolant delivery. Alkanolamine salts of Caprylic/Capric Acid provide synergistic C8+C10 ferrous flash-rust protection with low foaming and markedly cleaner sump operation.

Persistent soil and groundwater herbicide residues in orchards, vineyards, and non-crop areas
Synthetic systemic herbicides can persist in soil, leach into groundwater, or select for resistant weed biotypes. Contact burndown herbicides formulated with Caprylic/Capric Acid physically disrupt weed cuticles and cell membranes within hours of spraying, then undergo rapid, complete aerobic biodegradation by soil microorganisms into carbon dioxide and water without leaving persistent soil residues.

Pungent malodor and high volatility of un-topped short-chain fatty acid cuts
Crude coconut top-cuts or C4–C6 volatile fatty acids contain high levels of butyric and caproic acid (C6), which emit an offensive rancid goat/sweat stench and lower the flash point. Properly fractionated Caprylic/Capric Acid (topped to keep C6 <= 0.5% or <= 0.2%) eliminates sharp C6 malodor while retaining high medium-chain carboxyl density.

BENEFITS FOR THE MANUFACTURER AND END USER

Using Caprylic/Capric Acid delivers distinct operational advantages inside the chemical plant and tangible performance benefits in the finished product.
Benefits for the Manufacturer, Synthesis Engineer, and Formulator:
- Eutectic Liquid Handling Down to 0–10 °C: Eliminates the year-round steam-melting required for solid Capric Acid (31.5 °C) and provides a 10 to 15 °C wider liquid operating margin than pure Caprylic Acid (16.5 °C).
- Optimal Raw-Material Economics for Medium-Chain Chemistry: Co-distillation of the natural C8+C10 coconut/palm kernel fraction delivers medium-chain saturated functionality at a lower unit production cost than isolated 99% single-cut C8 or C10 acids.
- High Molar Carboxyl Density: With an Acid Value of ~354 to 370 mg KOH/g (average MW ~155–157 g/mol), one metric ton of Caprylic/Capric Acid supplies roughly 6,350 to 6,450 moles of reactive -COOH groups—approximately 80% more molar acid functionality per ton than oleic or stearic acid.
- Low Newtonian Viscosity (~7 to 10 mPa·s at 20 °C): Permits accurate metering via diaphragm or gear pumps, rapid mass transfer in esterification reactors, and effortless cold blending into solvent or surfactant pre-mixes.
- High-Temperature Color and Oxidation Resistance: Zero olefinic unsaturation allows esterification at 200 to 230 degrees Celsius without charring, polymerization, or elevated Gardner/APHA color.
- Zero-Foam Processing Under High Shear: Neither protonated Caprylic/Capric Acid nor its neutralized octanoate/decanoate salts stabilize persistent macro-foam during high-shear mixing, filling, or spray recirculation.
Benefits for the Final Product and End User:
- Water-White, Odor-Stable, Non-Rancid Esters and Emollients: MCT oils, cosmetic creams, sunscreens, and lipsticks made from Caprylic/Capric Acid derivatives remain clear, odorless, and oxidation-free throughout extended shelf life.
- Superior Sub-Zero Fluidity in Lubricants and Oils: Random C8/C10 chain distribution on glycerol or polyol backbones suppresses crystallization, keeping MCT oils clear in refrigerators and synthetic POE lubricants fluid below -40 degrees Celsius.
- Residue-Free, Non-Foaming Equipment Sanitization: Food, beverage, dairy, and brewery plants achieve reliable microbial hygiene in CIP loops without pump cavitation, chloride corrosion, or flavour taint.
- Reliable Ferrous Rust Protection in Machining Operations: Machined cast-iron and steel components remain free of flash rust between manufacturing stages without gummy deposits.

APPLICATIONS OF CAPRYLIC/CAPRIC ACID

Caprylic/Capric Acid is utilized across chemical synthesis and industrial formulation whenever a liquid, saturated C8–C10 carboxylic acid blend is required.

Medium-chain triglyceride (MCT oil) synthesis for nutrition, pharma, and cosmetics
The largest global application of Caprylic/Capric Acid is the direct esterification of refined vegetable glycerol to manufacture Caprylic/Capric Triglyceride (MCT Oil, CAS 73398-61-5). Reacting three equivalents of Caprylic/Capric Acid with one equivalent of glycerol at 200–230 degrees Celsius under vacuum yields a crystal-clear, low-viscosity (~27–33 mPa·s), oxidation-proof triester liquid down to 0 degrees Celsius. Depending on the grade of Caprylic/Capric Acid used, the resulting MCT oil serves as a fast-absorbing ketogenic and clinical nutrition lipid, a pharmaceutical oral/parenteral drug-delivery vehicle, a food-grade pan-release and clouding oil, or the cosmetic industry's cornerstone lightweight emollient.

Cosmetic emollient mono- and diesters and surfactant intermediates
Beyond triglycerides, oleochemical ester plants react Caprylic/Capric Acid with propylene glycol, fatty alcohols (cetyl, lauryl, or coco alcohols), or ethoxylated glycerides to manufacture Propylene Glycol Dicaprylate/Dicaprate, Coco-Caprylate/Caprate, Cetyl Caprylate/Caprate, Glyceryl Caprylate/Caprate, and PEG-6 or PEG-8 Caprylic/Capric Glycerides. These derivatives provide dry-touch emollience, pigment dispersion, UV-filter solubilization, and gentle micellar cleansing in personal care products.

Synthetic polyol ester (POE) lubricants and functional fluids
In synthetic lubricant manufacturing, Caprylic/Capric Acid is esterified with hindered neopentyl polyols—including neopentyl glycol (NPG), trimethylolpropane (TMP), pentaerythritol (PE), and dipentaerythritol (DiPE)—to produce synthetic polyol ester base stocks. The saturated C8 and C10 linear chains provide high thermal-oxidative stability, low volatility, high flash points, low pour points (below -40 to -50 °C), and full miscibility with HFC and HFO refrigerants in air-conditioning/refrigeration compressors, aviation turbine oils, high-temperature chain oils, and biodegradable hydraulic fluids.

Water-miscible metalworking fluids and corrosion inhibitor packages
In synthetic and semi-synthetic cutting, grinding, stamping, and rolling coolants, Caprylic/Capric Acid is neutralized with alkanolamines such as monoethanolamine (MEA), triethanolamine (TEA), diglycolamine (DGA), or 2-amino-2-methyl-1-propanol (AMP). The resulting mixed amine octanoate/decanoate salt passivates cast iron and carbon steel against flash rust, wets metal fines for clean swarf settling, and operates without foam in high-pressure CNC coolant systems.

Low-foam acidic food-contact surface sanitizers and peracid disinfectants
In dairy pasteurizers, brewery fermentation tanks, winery lines, beverage bottling plants, and meat/poultry processing facilities, Caprylic/Capric Acid serves as the broad-spectrum antimicrobial active in acidic CIP sanitizing concentrates (buffered below pH 3.5 with phosphoric, lactic, or citric acid and 
solubilized with sulfonate hydrotropes) and in equilibrium peroxyoctanoic/peroxydecanoic acid mixtures with hydrogen peroxide.

Agricultural non-selective contact herbicides and crop desiccants
In agricultural crop protection and turf/ornamental management, Caprylic/Capric Acid is formulated into emulsifiable concentrates (EC) or potassium/ammonium soap concentrates used for rapid contact burndown of broadleaf and grass weeds, orchard/vineyard floor strip weeding, sucker control, potato haulm desiccation, and moss/algae eradication.

Non-yellowing short-oil alkyd resins and baking enamels
In industrial coatings and resin synthesis, Caprylic/Capric Acid is used as a saturated monofunctional chain stopper in high-solids, short-oil baking alkyd resins cured with amino (melamine-formaldehyde) or polyisocyanate resins. Because C8 and C10 chains contain zero double bonds, appliance enamels, coil coatings, and automotive refinish clearcoats modified with Caprylic/Capric Acid resist thermal yellowing during over-bake cycles and prolonged UV exposure.

Liquid PVC heat stabilizers and polymer processing additives
In plastics compounding, Caprylic/Capric Acid is reacted with calcium, barium, zinc, magnesium, or tin oxides/hydroxides to produce liquid metal caprylate/caprate carboxylates. Unlike solid stearate soaps, liquid Ca/Zn and Ba/Zn caprylate/caprate stabilizers blend effortlessly into PVC plastisols, calendered films, and flexible extrusions, scavenging labile chlorine atoms and preventing thermal discoloration.

Perfumery aroma esters and dye manufacturing intermediates
In fine chemicals, Caprylic/Capric Acid is esterified with lower alcohols (methyl, ethyl, isoamyl, phenylethyl, or geranyl alcohols) to produce fruity, wine-like, citrus, and floral fragrance/flavor esters used in perfumery and soap fragrancing, and serves as a lipophilic dispersing agent, coupler, and 
acylating intermediate in organic dye and pigment manufacturing.

Non-sulfide mineral froth flotation and hydrometallurgical extraction
In mining and mineral beneficiation, Caprylic/Capric Acid and its alkali soaps act as selective collectors for floating oxide, carbonate, and salt-type minerals—including phosphate (apatite), fluorite, scheelite, barite, and rare-earth minerals—offering cleaner selectivity against silicate gangue and easier cold-water dispersion than solid or unsaturated long-chain fatty acids.

WHICH INDUSTRIES USE CAPRYLIC/CAPRIC ACID?

Caprylic/Capric Acid serves as an essential raw material and functional additive across a wide spectrum of regulated and heavy industries:
- Oleochemical Ester and Specialty Surfactant Manufacturing (MCT oils, mono-/diglycerides, glycol diesters, fatty alcohol esters, alkanolamides, and sarcosinates/glutamates)
- Cosmetics, Personal Care, and Toiletries Manufacturing (emollient synthesis, liquid soap bases, micellar solubilizers, and pH/microbiome modulators)
- Clinical Nutrition, Nutraceuticals, and Food Processing (ketogenic and medical C8/C10 MCT oil production, E570 processing aids, defoamers, and flavor esters)
- Synthetic Lubricants, Refrigeration Oils, and Tribology (HFC/HFO refrigeration compressor POE oils, aviation gas turbine lubricants, fire-resistant hydraulic fluids)
- Metalworking Fluids, Industrial Coolants, and Cleaners (synthetic and semi-synthetic machining coolants, ferrous flash-rust inhibitors, alkaline spray washers)
- Dairy, Brewery, Beverage, and Institutional Hygiene (no-rinse acidic CIP food-contact sanitizers, peroxyacid brewery disinfectants, institutional hard-surface cleaners)
- Agriculture, Horticulture, and Crop Protection (non-selective contact burndown herbicides, organic-compatible weed killers, crop desiccants, pesticide adjuvants)
- Paints, Coatings, Printing Inks, and Resins (non-yellowing short-oil baking alkyds, metal carboxylate driers and catalysts, pigment wetting agents)
- Plastics, PVC Compounding, and Rubber Processing (liquid Ca/Zn and Ba/Zn PVC heat stabilizers, plastisol viscosity depressants, elastomer dispersion aids)
- Perfumery, Fragrance Esters, and Dye/Pigment Manufacturing (aroma ester synthesis, dye solubilizers and coupling intermediates)
- Mining, Mineral Processing, and Hydrometallurgy (phosphate, fluorite, and rare-earth froth flotation collectors, solvent-extraction modifiers)
Each industrial sector prioritizes specific analytical parameters when sourcing Caprylic/Capric Acid: MCT oil and food processors prioritize Food Grade / E570 / FCC compliance and absence of heavy metals; cosmetic ester manufacturers prioritize water-white APHA color (<= 30) and minimal C6 odor (<= 0.3%–0.5%); lubricant engineers prioritize low moisture (<= 0.10%), low Iodine Value (<= 0.5), and consistent Acid Value; and metalworking/sanitizer formulators prioritize C8:C10 balance and low C12 lauric content for hard-water clarity.

USE OF CAPRYLIC/CAPRIC ACID IN COSMETICS AND PERSONAL CARE

In the cosmetics and personal care industry, Caprylic/Capric Acid (declared on ingredient labels by its constituent INCI names CAPRYLIC ACID and CAPRIC ACID) is the foundational medium-chain acyl feedstock behind the sector's most widely used emollients, solubilizers, and gentle cleansing boosters, in addition to serving directly in specialty cleansing and pH-buffering systems.

Primary cosmetic roles and derivative pathways include:
- Synthesizing Lightweight, Oxidation-Stable Emollient Esters: Reacting cosmetic-grade Caprylic/Capric Acid with vegetable glycerol, propylene glycol, or coconut fatty alcohols yields Caprylic/Capric Triglyceride, Propylene Glycol Dicaprylate/Dicaprate, Coco-Caprylate/Caprate, and Cetyl Caprylate/Caprate. These esters provide fast-spreading, non-occlusive, silky skin feel in facial moisturizers, anti-aging serums, foundations, lipsticks, baby oils, and sunscreens without the greasiness of mineral oil or the environmental persistence of cyclic silicones.
- Producing Multifunctional Antimicrobial and Barrier-Supporting Partial Glycerides: Partial esterification with glycerol or polyglycerols produces Glyceryl Caprylate/Caprate and Polyglyceryl-3 Caprate/Caprylate, which act simultaneously as skin-conditioning refatting agents, co-emulsifiers, and membrane-active preservative boosters that allow formulators to reduce or eliminate traditional parabens or formaldehyde donors.
- Manufacturing Micellar Water Solubilizers: Ethoxylating or polyglycosylating C8–C10 glycerides produces PEG-6 Caprylic/Capric Glycerides and PEG-8 Caprylic/Capric Glycerides, the gentle hydrophilic emollients and fragrance/sebum solubilizers used in no-rinse micellar cleansing waters and makeup removers.

- Forming Fast-Wetting, Quick-Rinsing Liquid Soaps: When neutralized in situ with potassium hydroxide, sodium hydroxide, or triethanolamine alongside lauric and myristic acids in liquid hand soaps, body washes, and shaving creams, the C8–C10 fraction accelerates initial flash-lather generation and ensures clean, drag-free rinsing.
- Solubilizing Crystalline UV Filters and Lipophilic Actives: In suncare and color cosmetics, esters and partial blends derived from Caprylic/Capric Acid dissolve high percentages of crystalline organic UV filters (such as avobenzone, ethylhexyl triazone, and bis-ethylhexyloxyphenol methoxyphenyl triazine) and wet inorganic TiO2 and ZnO pigments.
When procuring Caprylic/Capric Acid for cosmetic synthesis or direct formulation, buyers must specify a refined, deodorized vegetable grade with low C6 caproic acid content (<= 0.3%–0.5% max) to prevent any goat-like fatty odor in delicate fragrances, water-white color (<= 30 APHA), low Iodine Value (<= 0.5 g I2/100 g), and complete cosmetic regulatory documentation (100% coconut or RSPO Mass Balance / Segregated palm kernel origin, vegan, Non-GMO, BSE/TSE-free, and heavy-metal compliance).

USE OF CAPRYLIC/CAPRIC ACID IN FOOD AND BEVERAGE APPLICATIONS

When manufactured under hygienic food-safety systems (FSSC 22000 / HACCP) and supplied as a verified Food Grade / FCC / EU E570 compliant material, Caprylic/Capric Acid serves as a vital raw material for nutritional lipids, food-processing aids, flavor esters, and food-plant hygiene.

Key functions in food, beverage, and clinical nutrition applications include:
- Primary Feedstock for Nutritional Medium-Chain Triglycerides (C8/C10 MCT Oil): Standard nutritional MCT oil (typically containing 55%–65% C8 caprylic acid and 35%–45% C10 capric acid on the glycerol backbone) is synthesized directly from Food Grade Caprylic/Capric Acid and food-grade vegetable glycerin. Because C8 and C10 triglycerides are hydrolyzed rapidly in the gastrointestinal tract and absorbed directly via the portal vein to the liver for beta-oxidation and ketone body generation without requiring bile salts or carnitine transport, C8/C10 MCT oil is a staple ingredient in ketogenic supplements, clinical enteral/parenteral nutrition for fat-malabsorption syndromes, preterm infant formulas, sports energy gels, and bulletproof coffee creamers.

- Food-Grade Pan-Release Agents, Glazes, and Beverage Clouding Oils: MCT oils and mixed mono-/diglycerides produced from Food Grade Caprylic/Capric Acid are used as oxidation-proof surface lubricants, anti-sticking release oils, and polishing glazes for dried fruits, gummy confections, hard candies, and bakery pans, as well as neutral density-adjusting weighting/clouding oils in citrus flavor emulsions.

- Regulated Food Additive and Processing Aid (EU E570 / US FDA 21 CFR 172.860): Straight-chain fatty acids derived from edible vegetable oils are authorized in the European Union under food additive code E570 (Fatty acids) and in the United States under 21 CFR 172.860 and 21 CFR 184.1025 for use as defoaming agents (in sugar refining, yeast production, and potato processing), surface-finishing components, and carriers for fat-soluble vitamins, colors, and antioxidants.

- Synthesis of Mixed Dairy, Cheese, and Fruity Flavor Esters: Esterifying food-grade Caprylic/Capric Acid with ethanol or isoamyl alcohol generates mixed ethyl and isoamyl octanoate/decanoate flavor esters used in cheese, butter, coconut, brandy, cognac, and tropical fruit flavorings.

- No-Rinse Food-Contact Surface Sanitizers (21 CFR 178.1010 / 40 CFR 180.940): Acidic aqueous sanitizing formulations containing octanoic and decanoic acids are widely used to sanitize dairy tanks, brewery fermenters, beverage filling lines, meat-processing conveyors, and food packaging equipment without requiring a subsequent potable water rinse when drained adequately.
Buyers sourcing Caprylic/Capric Acid for food, nutritional MCT, or flavor applications must strictly verify Food Grade / E570 / FCC status on the COA and supplier declarations, including heavy metal limits (Pb, As, Hg, Cd), residue on ignition (sulfated ash <= 0.1%), unsaponifiable matter, peroxide and iodine values, absence of mineral acids and polycyclic aromatic hydrocarbons, and valid Kosher, Halal, Non-GMO, and Allergen-Free certificates. Industrial or technical grades must never be used in food production.

PHARMACEUTICAL AND BIOTECHNOLOGY APPLICATIONS OF CAPRYLIC/CAPRIC ACID

In pharmaceutical excipient manufacturing and drug-delivery formulation, Caprylic/Capric Acid serves as the parent acyl raw material for compendial medium-chain lipid excipients, self-emulsifying drug delivery systems (SEDDS), and permeation-enhancing partial glycerides.

Key pharmaceutical and drug-delivery roles include:
- Manufacture of Compendial Medium-Chain Triglycerides (Ph. Eur. Triglycerida saturata media / USP-NF Medium-Chain Triglycerides): Pharmacopoeial monographs for Medium-Chain Triglycerides specify a neutral triester obtained from coconut or palm kernel oil in which the fatty acid fraction consists predominantly of octanoic (caprylic, C8) acid (50.0% to 80.0%) and decanoic (capric, C10) acid (20.0% to 50.0%), with no more than 1.0%–2.0% C6 and no more than 3.0% C12. High-purity Caprylic/Capric Acid matching this exact C8:C10 window is esterified with pharmaceutical glycerol to produce compendial MCT oil for oral liquids, soft-gelatin capsules, topical sprays, nasal drops, and parenteral lipid emulsions.

- Synthesis of Caprylocaproyl Polyoxyl-8 Glycerides and Glyceryl Monocaprylocaprate for SEDDS / SMEDDS: Reacting Caprylic/Capric Acid with glycerol and polyethylene glycol (PEG-400) yields compendial Caprylocaproyl Macrogol-8 Glycerides (Ph. Eur. / USP-NF) and Glyceryl Monocaprylocaprate. These amphiphilic lipid excipients are workhorse solubilizers and intestinal bioavailability enhancers in Self-Microemulsifying Drug Delivery Systems (SMEDDS) for poorly water-soluble BCS Class II and Class IV active pharmaceutical ingredients (APIs) and oral peptide therapeutics.

- Synthesis of Propylene Glycol Dicaprylocaprate (Ph. Eur. / USP-NF): Used as a low-viscosity, non-irritating lipophilic vehicle in transdermal patches, topical corticosteroids,otic drops, and veterinary injectables.

- Important Distinction in Downstream Bioprocess Plasma IgG Fractionation: While Caprylic/Capric Acid (C8-C10 blend) is the ideal feedstock for compendial C8/C10 MCT oil and macrogol glyceride excipients, bioprocess engineers performing direct precipitation of non-IgG proteins from human blood plasma or monoclonal antibody harvests must note that compendial plasma fractionation protocols specifically require single-cut pure Octanoic Acid (CAS 124-07-2, >= 98.0%–99.0% C8), because 40% C10 decanoic acid has lower aqueous solubility at pH 4.8–5.2 and can alter IgG precipitation selectivity. Verifying whether a pharmaceutical project requires the C8-C10 blend (CAS 68937-75-7) for excipient ester synthesis or single-cut C8 (CAS 124-07-2) for plasma fractionation prevents costly raw-material selection errors.

INDUSTRIAL, LUBRICANT, METALWORKING AND SANITIZER APPLICATIONS OF CAPRYLIC/CAPRIC ACID

In heavy industrial manufacturing, tribology, metalworking, and institutional sanitation, Caprylic/Capric Acid provides an economical, low-freezing saturated medium-chain acid that outperforms unsaturated and long-chain fatty acids.

Key industrial applications and technical mechanisms include:
- Synthetic Polyol Ester (POE) Refrigeration and Turbine Lubricants: Esterifying Caprylic/Capric Acid with neopentyl glycol (NPG), trimethylolpropane (TMP), or pentaerythritol (PE) produces mixed C8/C10 polyol esters with kinematic viscosities typically ranging from ISO VG 10 to ISO VG 68. The statistical combination of linear C8 and C10 chains prevents ester crystallization at sub-zero temperatures (yielding pour points below -40 to -55 °C), provides high polarity for complete miscibility with HFC (R-134a, R-410A, R-404A) and HFO (R-1234yf, R-1234ze) refrigerants, and ensures clean, coking-free operation in aviation gas turbines, air compressors, and high-temperature textile/bakery oven chains.

- Alkanolamine Carboxylate Corrosion Inhibitors for Metalworking Fluids: In water-miscible synthetic and semi-synthetic cutting, grinding, and rolling fluids (operating at pH 8.5 to 9.8), Caprylic/Capric Acid is neutralized with monoethanolamine (MEA), triethanolamine (TEA), diglycolamine (DGA), or 2-amino-2-methyl-1-propanol (AMP). The mixed octanoate and decanoate anions form a tightly packed hydrophobic barrier film on cast iron and steel workpieces to prevent flash rust. Because the C10 fraction adds stronger hydrophobic film persistence while the C8 fraction maintains water solubility and low foam, the C8–C10 blend is widely paired with dicarboxylic acids (sebacic, dodecanedioic, or isononanoic acid) in modern 2-ethylhexanoic-acid-free and boron-free coolant packages.

- Low-Foam Acidic Clean-in-Place (CIP) Sanitizers and Peroxyacid Disinfectants: Formulated at 2% to 8% w/w in acidic concentrates alongside phosphoric, lactic, or citric acid, glycol/alcohol co-solvents, and anionic sulfonate hydrotropes (such as sodium octane sulfonate or alkyl diphenyl oxide disulfonates), Caprylic/Capric Acid delivers synergistic C8+C10 bactericidal and fungicidal action at diluted use levels of 100 to 400 ppm active fatty acid (pH < 3.5) without foaming in high-pressure spray balls. In equilibrium peracid formulations with hydrogen peroxide and acetic acid, it generates mixed peroxyoctanoic and peroxydecanoic acids for rapid biofilm and spore eradication.

- Non-Yellowing Alkyd Resins, Liquid PVC Stabilizers, and Mineral Flotation: Used as a saturated chain-terminating acid in high-solids appliance and automotive baking alkyds; reacted with Ca, Ba, and Zn oxides to form liquid heat stabilizers for flexible PVC and plastisols; and neutralized as a selective collector in phosphate, fluorite, and rare-earth mineral froth flotation.

FORMULATION AND PROCESS CONSIDERATIONS WHEN USING CAPRYLIC/CAPRIC ACID

To achieve consistent reaction stoichiometry, clear aqueous dilutions, and long-term storage stability when working with Caprylic/Capric Acid, process engineers and formulators must manage six critical technical parameters:

1. Calculating Reactor Stoichiometry from the Batch COA Acid Value: Because commercial Caprylic/Capric Acid is a binary cut whose C8:C10 weight ratio can vary within specification from batch to batch (for example, 56:44 C8:C10 in one lot vs. 61:39 C8:C10 in the next), the batch Acid Value shifts correspondingly between ~354 and 370 mg KOH/g (average equivalent weight ranging from 151.6 to 158.5 g/mol). Synthesis engineers and soap formulators must always calculate the exact stoichiometric charge of glycerol, TMP, pentaerythritol, NaOH, KOH, or alkanolamine directly from the delivered lot's COA Acid Value (Grams of KOH equivalent per gram of acid = AV / 1000) rather than assuming a fixed textbook molecular weight.

2. Cold-Weather Thermal Conditioning and Full-Container Homogenization: Although eutectic depression lowers the solidification point of Caprylic/Capric Acid to 0 to 10 degrees Celsius, drums or IBC totes exposed to sub-zero winter transit or unheated outdoor storage can partially crystallize. When partial crystallization occurs, the higher-melting C10 capric acid (MP 31.5 °C) crystallizes preferentially and settles toward the bottom of the container, while the supernatant liquid becomes enriched in lower-melting C8 caprylic acid (MP 16.5 °C). Drawing liquid from a partially frozen or cloudy drum will yield an off-ratio C8-rich top fraction followed by a C10-rich bottom fraction! Any container showing turbidity, slush, or bottom crystals must be warmed gently in a warm room or controlled hot box (20 to 35 °C, never exceeding 50 °C) until 100 percent clear and then mixed or circulated thoroughly before sampling or charging.

3. Managing Hard-Water Calcium Sensitivity of the C10 Decanoate Fraction: While sodium and amine octanoates (C8) tolerate hard water up to 500–800 ppm CaCO3 without precipitating, decanoate (C10) has a lower calcium-salt solubility product. When formulating Caprylic/Capric Acid into water-dilutable metalworking coolants or alkaline cleaners intended for use in hard make-up water (>250–350 ppm CaCO3), formulators should include a chelating agent (such as tetrasodium GLDA, trisodium MGDA, EDTA, or sodium gluconate) or a nonionic/ether-carboxylate hydrotrope coupler, and maintain excess alkanolamine (pH 9.0–9.6) to prevent calcium caprate haze.

4. Solubilization and Microemulsion Design in Acidic Aqueous Concentrates: Protonated Caprylic/Capric Acid is sparingly soluble in water (~0.20 to 0.50 g/L at 20 °C, lower than pure C8 due to the C10 fraction). To keep 3% to 8% Caprylic/Capric Acid clear inside an acidic CIP sanitizer concentrate and prevent oily droplet separation upon 1:200 dilution into cold plant water (5–15 °C), pre-dissolve the acid in a glycol/alcohol co-solvent (propylene glycol, dipropylene glycol, or isopropanol) combined with an acid-stable anionic hydrotrope/surfactant (such as sodium octane sulfonate, sodium xylene sulfonate, or alkyl diphenyl oxide disulfonate) before blending into the aqueous phosphoric or lactic acid phase.

5. Controlling Exotherm During Alkaline or Amine Neutralization: Neutralizing neat Caprylic/Capric Acid with concentrated 50% NaOH, 45% KOH, or neat monoethanolamine (MEA) releases approximately 55 to 60 kJ per mole of carboxyl neutralized. Meter the acid subsurface into the cooled, agitated aqueous alkali phase (keeping batch temperature between 30 and 50 °C) to prevent localized overheating, color darkening, or viscous soap-gel lumps.

6. Materials of Construction and Elastomer Selection: Neat Caprylic/Capric Acid is a corrosive organic acid toward carbon steel, cast iron, copper, brass, bronze, and galvanized zinc. Contact with carbon steel leaches iron (forming reddish-brown ferric carboxylates that ruin APHA color), while copper/brass leaches green copper salts that catalyze oxidation. Specify AISI 316L (or 304) stainless steel, high-density polyethylene (HDPE), polypropylene (ambient), or glass-lined vessels, with gaskets, hoses, and pump diaphragms in PTFE, FFKM (perfluoroelastomer), or verified chemical-grade fluoroelastomer (FKM). Avoid natural rubber, SBR, neoprene, polyurethane, and flexible PVC.

TYPICAL USE LEVELS AND INITIAL FORMULATION APPROACHES FOR CAPRYLIC/CAPRIC ACID

Typical starting incorporation levels for Caprylic/Capric Acid vary according to whether the chemical serves as a bulk reactive monomer in ester synthesis or as a functional active in an aqueous or solvent concentrate:
- Caprylic/Capric Triglyceride (MCT Oil) and Polyol Ester (POE) Synthesis: 68% to 88% w/w of total reactor charge (typically charged at 1.03 to 1.15 carboxyl equivalents per hydroxyl equivalent of glycerol, TMP, NPG, or pentaerythritol, with excess acid vacuum-stripped and recycled).
- Acidic No-Rinse Food-Contact CIP Sanitizer Concentrates: 1.5% to 8.0% w/w Caprylic/Capric Acid in the liquid concentrate; diluted at 1:100 to 1:500 in plant rinse water to deliver 100 to 400 ppm active C8–C10 fatty acid at pH < 3.5.
- Equilibrium Peroxyoctanoic/Peroxydecanoic Acid Disinfectants: 1.0% to 4.0% w/w Caprylic/Capric Acid co-formulated with acetic acid, hydrogen peroxide (15%–30%), and phosphonate stabilizers.
- Water-Miscible Metalworking Fluid Concentrates (Semi-Synthetic & Synthetic): 1.5% to 5.5% w/w Caprylic/Capric Acid in the coolant concentrate (neutralized with a 1.8x to 3.0x molar ratio of MEA/TEA/AMP), diluted at 3% to 8% in machining sumps.
- Agricultural Non-Selective Contact Herbicide Concentrates: 25% to 65% w/w Caprylic/Capric Acid in emulsifiable concentrates (EC) or potassium/ammonium soap concentrates, diluted to 2% to 6% v/v in field spray water.
- Liquid Soap, Cleanser, and Shaving Formulations: 1.0% to 6.0% w/w (neutralized with KOH or alkanolamines alongside C12–C18 fatty acids).

COMPATIBILITY AND INCOMPATIBILITY OF CAPRYLIC/CAPRIC ACID

Understanding the chemical and physical compatibility of Caprylic/Capric Acid across formulation ingredients, metals, and elastomers prevents batch precipitation, container distortion, and discoloration:
- Compatibility with Anionic and Amphoteric Surfactants: Fully compatible across both acidic and alkaline pH regimes. In acidic sanitizers (pH < 3.5), alkane sulfonates, linear alkylbenzene sulfonates, alpha-olefin sulfonates, diphenyl oxide disulfonates, and phosphate esters solubilize protonated C8 and C10 acids into clear microemulsions without neutralizing their biocidal activity. Above pH 7.5, neutralized octanoate/decanoate salts mix freely with all anionic and amphoteric surfactants (betaines, amine oxides, amphoacetates).
- Compatibility with Nonionic Surfactants: Physically miscible with alcohol ethoxylates, alkyl polyglucosides (APGs), polysorbates, and sorbitan esters. However, in acidic antimicrobial sanitizers, excessive ratios of high-EO nonionic surfactants can trap uncharged C8 and C10 monomers inside large nonionic micellar cores, lowering the free monomer chemical potential in the water phase and reducing biocidal speed unless verified by microbiological challenge testing.

- Compatibility with Cationic Surfactants (Quaternary Ammonium Compounds): Strictly pH-dependent. Below pH 3.5, uncharged Caprylic/Capric Acid is physically compatible with cationic quats; however, above pH 5.0–5.5, deprotonated octanoate and decanoate anions form insoluble hydrophobic ion-pairs with cationic quaternary ammonium ions, causing turbidity, precipitation, and loss of cationic activity.
- Compatibility with Polyvalent Metal Ions: In neutral or alkaline water (pH > 6.5), high levels of calcium (Ca2+), magnesium (Mg2+), iron (Fe2+/Fe3+), zinc (Zn2+), copper (Cu2+), or aluminum (Al3+) react with the C10 decanoate (and at higher levels, C8 octanoate) anions to precipitate water-insoluble metallic soaps. Include chelating agents (GLDA, MGDA, EDTA) or hydrotrope couplers when formulating for hard water.
- Reactive Chemical Incompatibilities: Reacts exothermically with concentrated strong bases (solid or 50% NaOH, KOH, neat primary/secondary amines). Incompatible with strong oxidizing agents (concentrated nitric acid, chromic acid, perchlorates, liquid bromine).
- Compatibility with Metals and Elastomers: Neat Caprylic/Capric Acid corrodes carbon steel, cast iron, copper, brass, bronze, and zinc/galvanized steel, dissolving trace iron (yellow/brown discoloration) or copper (blue-green discoloration). Store and process exclusively in AISI 316L (or 304) stainless steel, HDPE, polypropylene (at ambient temperature), glass-lined steel, or PTFE-lined equipment. Use gaskets, O-rings, and hoses made of PTFE, FFKM (perfluoroelastomer), or verified chemical-grade fluoroelastomer; never use natural rubber, SBR, neoprene, polyurethane, or flexible PVC.

SIMILAR PRODUCTS AND ALTERNATIVES TO CAPRYLIC/CAPRIC ACID

When designing a synthesis route or end-use formulation, technical buyers frequently evaluate Caprylic/Capric Acid (CAS 68937-75-7) against single-cut C8 or C10 fatty acids, longer-chain lauric cuts, odd-carbon linear acids, branched synthetic isomers, or neutral ester derivatives. Each comparison involves direct trade-offs in solidification point, Acid Value, water solubility, odor, regulatory status, and cost-in-use.

CAPRYLIC/CAPRIC ACID AND PURE CAPRYLIC ACID (OCTANOIC ACID, C8)

Pure Caprylic Acid (Octanoic Acid, C8H16O2, CAS No. 124-07-2, EC No. 204-677-5) is a single-cut fractionated fatty acid containing >= 98% to >= 99% eight-carbon octanoic acid, with a molecular weight of 144.21 g/mol and a theoretical Acid Value of 389.0 mg KOH/g. By contrast, Caprylic/Capric Acid (CAS 68937-75-7) is a binary C8–C10 blend (typically 55%–62% C8 and 38%–45% C10) with an average molecular weight of ~155–157 g/mol and an Acid Value of ~354 to 370 mg KOH/g.
Caprylic/Capric Acid offers two significant practical advantages over pure Caprylic Acid in bulk applications: first, eutectic depression gives Caprylic/Capric Acid a lower freezing point (0 to 10 °C vs. ~16.5 °C for pure C8), keeping it liquid in cool warehouses where pure Caprylic Acid freezes; second, skipping the energy-intensive C8/C10 splitter column makes Caprylic/Capric Acid more economical for producing standard C8/C10 MCT oil, coco-caprylate/caprate emollients, polyol ester lubricants, and agricultural herbicides.
Conversely, pure Caprylic Acid (CAS 124-07-2) is mandatory whenever the 40% C10 capric acid fraction cannot be tolerated—specifically in biopharmaceutical blood-plasma IgG fractionation (where C10 causes non-specific protein coprecipitation), pure C8 ketogenic tricaprylin synthesis, single-molecule aroma esters (such as pure ethyl octanoate), and very hard-water (>500 ppm CaCO3) coolants or cold CIP sanitizers where C10 precipitates calcium caprate.

CAPRYLIC/CAPRIC ACID AND PURE CAPRIC ACID (DECANOIC ACID, C10)

Pure Capric Acid (Decanoic Acid, C10H20O2, CAS No. 334-48-5, EC No. 206-376-4) is a single-cut ten-carbon saturated fatty acid with a molecular weight of 172.26 g/mol, a theoretical Acid Value of 325.7 mg KOH/g, and a melting point / titer of approximately 31.0 to 32.0 degrees Celsius.
Because pure Capric Acid is a waxy crystalline solid at all normal ambient room temperatures below 31.5 degrees Celsius, handling it in drums or IBCs requires continuous hot-room conditioning or steam-traced storage tanks. Caprylic/Capric Acid (titer 0 to 10 °C) eliminates year-round solid melting while providing a higher Acid Value (~360 vs. 325.7 mg KOH/g), better aqueous solubility, and lower ester viscosity. Pure Capric Acid is selected only when a specific 10-carbon derivative (such as pure ethyl decanoate, decanoyl chloride, or high-viscosity pure C10 esters) is required.

CAPRYLIC/CAPRIC ACID AND LAURIC ACID (DODECANOIC ACID, C12)

Lauric Acid (Dodecanoic Acid, C12H24O2, CAS No. 143-07-7, MW 200.32 g/mol) is a twelve-carbon saturated fatty acid supplied as a solid white flake or powder (melting point ~43.8–44.5 °C, theoretical Acid Value 280.1 mg KOH/g).
While Lauric Acid is the primary surfactant building block for high-foaming bar soaps, sodium lauryl sulfate (SLS), and cocamidopropyl betaine, it cannot replace Caprylic/Capric Acid in applications requiring ambient liquid handling, low-pour-point liquid esters (MCT oils and POE lubricants), zero-foam CIP sanitization, or low-foam metalworking corrosion inhibition.

CAPRYLIC/CAPRIC ACID AND PELARGONIC ACID (NONANOIC ACID, C9)

Pelargonic Acid (Nonanoic Acid, C9H18O2, CAS No. 112-05-0, MW 158.24 g/mol) is a linear odd-carbon nine-carbon saturated acid produced synthetically by ozonolysis of oleic acid or oxo-hydroformylation of 1-octene. Remarkably, pure C9 Pelargonic Acid has a molecular weight (158.24 g/mol), theoretical Acid Value (354.6 mg KOH/g), and melting point (~12.5 °C) that are nearly identical to the average molecular weight (~156–158 g/mol), Acid Value (~356–362 mg KOH/g), and solidification range (0–10 °C) of a 55:45 Caprylic/Capric Acid blend.
Because of this close physical match, Caprylic/Capric Acid and Pelargonic Acid compete directly in synthetic polyol ester lubricants, amine-carboxylate metalworking coolants, and non-selective contact herbicides. However, Caprylic/Capric Acid is 100 percent derived from natural even-carbon vegetable lipids (coconut and palm kernel oil), typically offers a lower solidification point (0–10 °C vs. 12.5 °C) due to binary eutectic depression, and holds broad regulatory approval for producing Food Grade (E570 / FCC), Pharmaceutical (Ph. Eur. / USP-NF), and natural Cosmetic C8/C10 MCT oils and emollients where synthetic odd-carbon C9 acid cannot be used.

CAPRYLIC/CAPRIC ACID AND 2-ETHYLHEXANOIC ACID (BRANCHED C8 ISOMER)

2-Ethylhexanoic Acid (2-EHA, C8H16O2, CAS No. 149-57-5, MW 144.21 g/mol, Acid Value 389.0 mg KOH/g) is a petrochemical branched eight-carbon carboxylic acid used historically in metal paint driers, PVC stabilizers, automotive coolants, and metalworking fluids.
Because 2-EHA carries harmonized developmental/reproductive toxicity classifications in the European Union and other jurisdictions that restrict its use in consumer, cosmetic, food, and many industrial products, formulators increasingly replace 2-EHA with natural, biodegradable linear Caprylic/Capric Acid (CAS 68937-75-7) or pure linear Caprylic Acid (CAS 124-07-2) in modern 2-EHA-free metalworking coolants, liquid PVC heat stabilizers, alkyd resins, and polyol esters.

CAPRYLIC/CAPRIC ACID AND DISTILLED TOPPED COCONUT FATTY ACID (C8-C18)

Topped Coconut Fatty Acid (or Distilled Palm Kernel Fatty Acid, C8–C18, CAS No. 61788-47-4) is the whole lauric fatty acid distribution containing roughly 8%–12% C8+C10, 48% C12 lauric, 18% C14 myristic, 9% C16 palmitic, and 6%–10% C18 stearic/oleic acids, with a melting point around 24 to 28 degrees Celsius and an Acid Value around 265 to 275 mg KOH/g.
Topped Coconut Fatty Acid is used to make high-foaming toilet soaps and potassium liquid soaps, whereas Caprylic/Capric Acid (CAS 68937-75-7) is the isolated C8–C10 medium-chain heart cut completely freed from C12–C18 long-chain soaps and unsaturated oleic acid.

CAPRYLIC/CAPRIC ACID AND CAPRYLIC/CAPRIC TRIGLYCERIDE (MCT OIL)

Caprylic/Capric Triglyceride (MCT Oil, CAS No. 73398-61-5 or 65381-09-1, EC No. 277-452-2 / 265-724-3) is the neutral, non-corrosive glycerin triester manufactured by reacting Caprylic/Capric Acid with glycerol.
Buyers must never confuse the two products: Caprylic/Capric Acid (CAS 68937-75-7) is an unesterified, corrosive carboxylic acid mixture with an Acid Value of ~354–370 mg KOH/g and GHS Class 8 skin/eye corrosion hazards; Caprylic/Capric Triglyceride (CAS 73398-61-5) is a neutral, odorless, non-irritating oil with an Acid Value <= 0.1–0.2 mg KOH/g used directly in skin creams, oral foods, and pharmaceuticals. Caprylic/Capric Acid is the upstream chemical feedstock used by ester plants to manufacture Caprylic/Capric Triglyceride.

QUALITY GRADES, QUALITY CONTROL AND PURCHASING CRITERIA FOR CAPRYLIC/CAPRIC ACID

Commercial Caprylic/Capric Acid is supplied in distinct quality grades tailored to the regulatory and technical demands of the downstream industry:

- Technical / Industrial Fractional Grade (Standard C8-C10 Cut): Contains typically 50%–65% C8 and 35%–48% C10 (with C6 <= 0.5%–1.0% and C12 <= 1.0%–1.5%), Acid Value 354–370 mg KOH/g, Iodine Value <= 1.0 g I2/100 g, and Color <= 50–80 APHA (or Lovibond 5.25" <= 5.0Y/0.5R). Engineered for synthetic polyol ester lubricants, metalworking fluid amine soaps, alkyd resins, PVC heat stabilizers, mineral flotation, and agricultural herbicides.

- Refined / Low-Odor Cosmetic Grade: Fractionated from 100% vegetable coconut or palm kernel oil under tight topping reflux to keep C6 caproic acid <= 0.3%–0.5% max and C12 lauric acid <= 0.5%–1.0% max, with water-white color (<= 25–30 APHA), Iodine Value <= 0.5 g I2/100 g, and full cosmetic regulatory documentation (INCI declaration, heavy metals compliance, CMR-free, vegan, and optional RSPO Mass Balance or Segregated certification).

- Food and Nutritional Grade (EU E570 / US FDA 21 CFR 172.860 / FCC Compliant): Manufactured under FSSC 22000 / HACCP food-safety management systems specifically for synthesizing food-grade and nutritional Caprylic/Capric Triglyceride (MCT oil), food-grade emulsifiers, flavor esters, and E570 food-processing aids. Includes strict controls on heavy metals (Pb, As, Hg, Cd), sulfated ash / residue on ignition (<= 0.1%), unsaponifiable matter, peroxide value, absence of mineral acids and polycyclic aromatic hydrocarbons (PAHs), and Kosher, Halal, Non-GMO, and Allergen-Free certificates.

- Biocide / Food-Contact Sanitizer Grade: Supplied for formulating regulated no-rinse food-contact CIP sanitizers and agricultural contact herbicides in compliance with applicable national active-substance registrations.

Critical Quality-Control (QC) Parameters to Verify on Every Incoming Batch:
- Product Name, Manufacturer, and Botanical Origin (coconut oil vs. palm kernel oil)
- CAS No. 68937-75-7 and EC No. 273-086-2 (plus constituent CAS 124-07-2 and 334-48-5)
- Capillary GC Fatty Acid Chain Distribution (ISO 12966 / AOCS Ce 1h-05): Exact C8 % (e.g., 55%–62%) and C10 % (e.g., 38%–45%), plus C6 max % (<= 0.5%) and C12 max % (<= 1.0%)

- Acid Value (ISO 660, typically 354–370 mg KOH/g) and Saponification Value (ISO 3657, typically 355–372 mg KOH/g)
- Iodine Value (ISO 3961 Wijs method, <= 0.5 or <= 1.0 g I2/100 g)
- Color (ISO 6271 APHA / Hazen Pt-Co scale or AOCS Lovibond 5.25-inch cell)
- Water / Moisture Content (ISO 8534 Karl Fischer titration, <= 0.10%–0.20% w/w)
- Solidification Point / Titer (ISO 935, typically 0 to 10 °C) and Refractive Index (nD20 ~1.428–1.433)
Roles of the Core Documentation Package (TDS, SDS, and COA):
- Technical Data Sheet (TDS): Establishes the grade's guaranteed specification limits, nominal C8:C10 ratio (e.g., 60/40 vs. 55/45), standard test methods, packaging, and shelf life.

- Safety Data Sheet (SDS): Communicates the 16-section GHS/CLP hazard profile (Skin Corr. 1C H314, Eye Dam. 1 H318, Aquatic Chronic 3 H412), PPE requirements, and Class 8 dangerous-goods transport rules.
- Certificate of Analysis (COA): Reports the actual laboratory test measurements for the specific delivered production lot, which synthesis and formulation engineers use to set exact batch stoichiometric charges.

STORAGE AND HANDLING OF CAPRYLIC/CAPRIC ACID

Store Caprylic/Capric Acid in tightly sealed original high-density polyethylene (HDPE) drums, IBC totes, or insulated AISI 316L stainless steel bulk storage tanks in a cool, dry, well-ventilated indoor warehouse maintained ideally between 15 and 30 degrees Celsius away from direct sunlight and incompatible alkalis or oxidizers.
Although the binary eutectic composition of Caprylic/Capric Acid depresses its solidification point (titer) to 0 to 10 degrees Celsius—allowing it to remain liquid at cool warehouse temperatures (10 to 15 °C) where pure Caprylic Acid (16.5 °C) or pure Capric Acid (31.5 °C) would freeze solid—exposure to sub-zero winter transit or unheated frost conditions will cause partial or complete crystallization.

Critical Thawing and Homogenization Rule: If a drum or IBC tote of Caprylic/Capric Acid cools into its solidification window (0 to 10 °C), fractional crystallization occurs: higher-melting C10 capric acid crystallizes first and settles toward the bottom of the container, leaving the upper liquid phase enriched in C8 caprylic acid. Pumping from a partially frozen or cloudy container will distort the C8:C10 ratio and alter the Acid Value of the drawn material! Whenever crystals, slush, or turbidity are observed, warm the entire container gradually in a warm room or controlled hot box at 20 to 35 degrees Celsius (never exceeding 45 to 50 degrees Celsius, and never using high-wattage band heaters or open flames) until 100 percent clear, then agitate or circulate the container thoroughly before sampling or charging.
Keep containers tightly closed when not in use to prevent atmospheric moisture pickup, dust contamination, and oxidative color drift. For heated bulk stainless steel storage tanks, maintain liquid temperature around 20 to 25 degrees Celsius under a dry nitrogen blanket to preserve water-white APHA color over extended storage.

SAFETY INFORMATION, PACKAGING AND LOGISTICS FOR CAPRYLIC/CAPRIC ACID

Undiluted Caprylic/Capric Acid (CAS 68937-75-7) is a concentrated medium-chain carboxylic acid mixture classified under GHS / EU CLP regulations as corrosive to skin and eyes:
- Skin Corrosion Category 1C (H314: Causes severe skin burns and eye damage)
- Serious Eye Damage Category 1 (H318: Causes serious eye damage)
- Chronic Aquatic Hazard Category 3 (H412: Harmful to aquatic life with long-lasting effects)
Workplace Safety and Personal Protective Equipment (PPE):
Operate with adequate general and local exhaust ventilation (especially when handling warm liquid or spraying). Operators must wear chemical splash goggles (EN 166 / ANSI Z87.1) together with a full face shield, acid-resistant gauntlets (nitrile rubber >= 0.4 mm, butyl rubber, or fluoroelastomer), chemical-resistant aprons/workwear, and safety footwear.
Emergency First-Aid Measures (Always consult the current supplier SDS):
- Eye Contact: Immediately flush eyes with plenty of lukewarm running water for at least 15 to 20 minutes while holding eyelids open and removing contact lenses if safe to do so. Obtain immediate ophthalmological medical care.
- Skin Contact: Immediately remove contaminated clothing and shoes and flush skin with copious running water for at least 15 minutes. Seek medical attention for chemical burns or persistent irritation.
- Inhalation: Move the exposed individual to fresh air, keep warm and at rest, and seek medical attention if respiratory irritation or coughing persists.
- Ingestion: Rinse mouth thoroughly with water if conscious. Do NOT induce vomiting due to risk of esophageal re-exposure and aspiration. Seek immediate emergency medical attention.
Commercial Packaging and Dangerous-Goods Transport Logistics:
Caprylic/Capric Acid is supplied in:
- Tight-head HDPE drums or phenolic/epoxy-lined steel drums (typically 180 kg to 200 kg net weight)
- Composite IBC totes with HDPE inner bottles and bottom discharge valves (typically 850 kg to 950 kg net weight)
- Insulated, steam/hot-water-traced AISI 316L stainless steel road tankers and ISO tank containers (typically 20 to 24 metric tons net)
For road (ADR), rail (RID), sea (IMDG), and air (IATA) transport, Caprylic/Capric Acid is regulated as Class 8 Corrosive Substances under UN 3265 (Corrosive liquid, acidic, organic, n.o.s. (Contains Octanoic and Decanoic acids), Packing Group III). Always verify Section 14 of the shipment SDS.

WHAT SHOULD BE CONSIDERED WHEN PURCHASING CAPRYLIC/CAPRIC ACID?

Because Caprylic/Capric Acid is a binary fatty acid cut available in different C8:C10 ratios (such as 60/40 vs. 55/45), impurity tolerances, and regulatory tiers, buyers can avoid batch variability and specification mismatches by defining their exact requirements in the Request for Quotation (RFQ).
Technical and commercial details to specify before purchasing:

1. Target Industry and Functional Application: State whether the material is intended for nutritional/cosmetic MCT oil esterification, cosmetic emollient synthesis, synthetic POE lubricants, metalworking fluid corrosion inhibitors, acidic food-contact CIP sanitizers, agricultural herbicides, or alkyd/PVC applications.

2. Required Gas-Chromatographic C8:C10 Ratio and Impurity Ceilings: Specify the required C8 Caprylic Acid % range (e.g., 55%–62% or 58%–64%) and C10 Capric Acid % range (e.g., 38%–45%), along with maximum limits on C6 Caproic Acid (<= 0.5% or <= 0.3% for low odor) and C12 Lauric Acid (<= 1.0% for low foam and cold stability).

3. Wet-Chemistry Specification Limits: Define the required Acid Value window (e.g., 356–366 mg KOH/g), Saponification Value, maximum Iodine Value (<= 0.5 or <= 1.0 g I2/100 g), maximum Color (<= 30 or <= 50 APHA), and maximum Karl Fischer moisture (<= 0.15%).

4. Feedstock Origin and Regulatory/Sustainability Certifications: Clarify whether 100% coconut oil origin, palm kernel oil origin, RSPO Mass Balance or Segregated certification, Food Grade / EU E570 / FCC compliance, Kosher, Halal, Non-GMO, or BSE/TSE-free documentation is required.

5. Packaging Format, Order Volume, and Delivery Destination: Specify drums (~180–200 kg), IBC totes (~850–950 kg), or heated bulk ISO tanks, along with spot order quantity, annual forecast volume, and destination Incoterms.

6. Required Technical Documentation: Request the grade TDS, current 16-section SDS, representative batch COA, and applicable regulatory declarations.
Key Factors Driving Commercial Pricing and Cost-in-Use:
The market price of Caprylic/Capric Acid is primarily governed by Southeast Asian coconut oil and palm kernel oil feedstock prices (since C8+C10 represents only 7% to 15% of lauric oils), distillation fractionation tightness (low-C6/low-C12 water-white cosmetic and food cuts vs. technical cuts), RSPO and Food/E570 certification costs, packaging format (bulk ISO tank vs. IBCs or drums), order volume, and Class 8 dangerous-goods freight logistics. When qualifying a new supply source, technical teams should compare the candidate COA against the incumbent product, adjust reactor or neutralization stoichiometry to the new lot's exact Acid Value, and verify bench-scale ester color or aqueous hard-water dilution stability.

CAPRYLIC/CAPRIC ACID SUPPLY FROM ATAMAN KİMYA

Caprylic/Capric Acid (Fatty acids C8-10, CAS No. 68937-75-7, EC No. 273-086-2) is supplied for Medium-Chain Triglyceride (MCT oil) and cosmetic emollient synthesis, synthetic polyol ester (POE) lubricants, alkanolamine metalworking fluid corrosion inhibitors, low-foam acidic food-contact CIP sanitizers, agricultural contact herbicides, non-yellowing alkyd resins, liquid PVC heat stabilizers, perfumery esters, and dye manufacturing.
Companies planning to purchase Caprylic/Capric Acid from Ataman Kimya can share their target application and specification requirements to confirm grade suitability, C8:C10 ratio, current stock availability, origin, packaging options, and commercial quotation details.
Sharing the following information in a quotation request facilitates technical evaluation and rapid quotation preparation:
- Application sector and intended final use
- Required C8:C10 weight ratio (such as 60/40 or 55/45) and GC chain-distribution limits (C6 and C12 ceilings)
- Required Acid Value range, Iodine Value limit, APHA/Lovibond color limit, and moisture specification
- Required quality grade and regulatory certifications (Industrial, Cosmetic, Food/E570/FCC, RSPO, Kosher, Halal)
- Estimated order quantity (per shipment and annual requirement) and preferred packaging format (HDPE drums, IBC totes, or bulk ISO tank)
- Delivery destination and preferred Incoterms
- Required technical documents (TDS, SDS, COA) and incumbent product TDS/COA if evaluating a raw-material replacement

FREQUENTLY ASKED QUESTIONS ABOUT CAPRYLIC/CAPRIC ACID

What is Caprylic/Capric Acid?
Caprylic/Capric Acid (also known as Caprylic Capric Acid or Fatty acids, C8-10, CAS No. 68937-75-7, EC No. 273-086-2) is a commercial binary mixture of linear saturated eight-carbon caprylic acid (octanoic acid, C8H16O2) and ten-carbon capric acid (decanoic acid, C10H20O2) obtained by high-pressure steam splitting and vacuum fractional distillation of coconut oil or palm kernel oil.

What is the CAS number of Caprylic/Capric Acid?
The chemical inventory and REACH CAS Registry Number for the Caprylic/Capric Acid mixture (Fatty acids, C8-10) is 68937-75-7 (with broader C6-12 cuts sometimes listed under CAS 67762-36-1). Its two individual constituents are Caprylic Acid (CAS 124-07-2) and Capric Acid (CAS 334-48-5).

What is the EC / EINECS number of Caprylic/Capric Acid?
The EC / EINECS number for Caprylic/Capric Acid (Fatty acids, C8-10) is 273-086-2. Its individual components carry EC No. 204-677-5 (octanoic acid) and EC No. 206-376-4 (decanoic acid).

What is the INCI name of Caprylic/Capric Acid?
In cosmetic ingredient declarations, the blend is identified by the constituent INCI names CAPRYLIC ACID and CAPRIC ACID.

What is the typical C8 to C10 ratio in commercial Caprylic/Capric Acid?
Commercial grades most commonly contain 55% to 62% C8 Caprylic Acid and 38% to 45% C10 Capric Acid by weight (traded nominally as 60/40 or 55/45 C8/C10 blends), reflecting the natural ratio of C8 to C10 in coconut and palm kernel oils, with <= 0.5%–1.0% C6 caproic acid and <= 0.5%–1.5% C12 lauric acid.

Why do some chemical databases list the formula of Caprylic/Capric Acid as C9H18O2 and molecular weight as 158.24 g/mol?
Some electronic databases index CAS 68937-75-7 under the mathematical midpoint between C8H16O2 (144.21 g/mol) and C10H20O2 (172.26 g/mol), which averages to C9H18O2 (158.24 g/mol). Chemically, natural Caprylic/Capric Acid contains almost exclusively even-carbon C8 and C10 chains and contains virtually zero nine-carbon pelargonic acid.

Is Caprylic/Capric Acid the same as Caprylic/Capric Triglyceride (MCT Oil)?
No. Caprylic/Capric Acid (CAS 68937-75-7) is an unesterified, corrosive mixture of free carboxylic acids with an Acid Value of ~354 to 370 mg KOH/g. Caprylic/Capric Triglyceride (MCT Oil, CAS 73398-61-5) is the neutral, non-corrosive, odorless glycerin triester (Acid Value <= 0.2 mg KOH/g) manufactured by reacting Caprylic/Capric Acid with glycerol.

Why does Caprylic/Capric Acid have a lower freezing point than pure Caprylic Acid or pure Capric Acid?
Pure Caprylic Acid freezes at ~16.5 degrees Celsius and pure Capric Acid freezes at ~31.5 degrees Celsius. When C8 and C10 chains are mixed in ratios around 55:45 to 60:40, their differing chain lengths frustrate regular crystal lattice packing (binary eutectic depression), lowering the solidification point (titer) of Caprylic/Capric Acid to approximately 0 to 10 degrees Celsius.

What is the Acid Value of Caprylic/Capric Acid?
Commercial Caprylic/Capric Acid typically exhibits an Acid Value between 354 and 370 mg KOH/g (most commonly 358 to 365 mg KOH/g), sitting proportionally between the theoretical Acid Value of pure C8 Caprylic Acid (389.0 mg KOH/g) and pure C10 Capric Acid (325.7 mg KOH/g).

How is the Acid Value used to calculate reactor stoichiometry for Caprylic/Capric Acid?
Because the exact C8:C10 balance varies slightly between lots, the equivalent molecular weight of the acid blend equals 56,105.6 divided by the batch COA Acid Value (in mg KOH/g). For example, a batch with an Acid Value of 361.0 mg KOH/g has an equivalent weight of 155.42 g per mole of carboxyl groups.

What is the Saponification Value of Caprylic/Capric Acid?
The Saponification Value typically ranges from 355 to 372 mg KOH/g and should lie within 0.5 to 2.0 mg KOH/g of the batch Acid Value, confirming the absence of unsplit neutral triglycerides or methyl esters.

What is the Iodine Value of Caprylic/Capric Acid?
Because both octanoic acid (C8:0) and decanoic acid (C10:0) are fully saturated with zero carbon-carbon double bonds, the theoretical Iodine Value is 0.0 g I2/100 g. Commercial specifications typically set a maximum ceiling of <= 0.5 or <= 1.0 g I2/100 g.

Is Caprylic/Capric Acid soluble in water?
In its protonated acidic state, Caprylic/Capric Acid is only sparingly soluble in water (~0.20 to 0.50 g/L at 20 degrees Celsius). However, it is freely miscible with alcohols, glycols, ethers, hydrocarbons, and ester oils, and dissolves readily in alkaline aqueous media (pH > 7.5) by forming water-soluble octanoate and decanoate carboxylate salts.

What is the pKa of Caprylic/Capric Acid and how does pH affect its behavior?
Both C8 and C10 fatty acids have a pKa near 4.89–4.90 at 25 degrees Celsius. Below pH 4.0, over 90 percent exists as uncharged lipophilic acid monomers that penetrate microbial membranes and plant cuticles; above pH 7.5, over 99 percent exists as water-soluble anionic octanoate and decanoate soap ions.

How is Caprylic/Capric Acid manufactured commercially?
It is produced by high-pressure steam hydrolysis (splitting) of coconut oil or palm kernel oil at 240–260 degrees Celsius and 45–60 bar, followed by vacuum fractional distillation in which low-boiling C6 caproic acid is stripped overhead first and the combined C8–C10 fraction is distilled overhead prior to C12 lauric acid.

What are the main industrial applications of Caprylic/Capric Acid?
Its primary uses are manufacturing Medium-Chain Triglycerides (MCT oil), cosmetic emollient esters, synthetic polyol ester (POE) refrigeration and turbine lubricants, alkanolamine metalworking fluid corrosion inhibitors, low-foam acidic food-contact CIP sanitizers, agricultural contact herbicides, non-yellowing short-oil alkyd resins, liquid PVC heat stabilizers, perfumery aroma esters, and dye intermediates.

When should I choose Caprylic/Capric Acid instead of pure Caprylic Acid (CAS 124-07-2)?
Choose Caprylic/Capric Acid (CAS 68937-75-7) when producing mixed C8/C10 esters (standard MCT oil, propylene glycol dicaprylate/dicaprate, coco-caprylate/caprate, or POE lubricants), herbicides, or soaps where a lower freezing point (0–10 °C) and lower raw-material cost are beneficial. Choose pure Caprylic Acid (CAS 124-07-2) for biopharmaceutical plasma IgG fractionation, pure C8 tricaprylin MCT oil, single-molecule flavor esters, or very hard-water coolants.

Why must partially crystallized drums of Caprylic/Capric Acid be completely melted and mixed before use?
When a container cools into its 0 to 10 °C solidification range, higher-melting C10 capric acid crystallizes first and settles toward the bottom while the top liquid becomes enriched in C8 caprylic acid. Pumping from a partially frozen container alters the C8:C10 ratio and Acid Value; warming gently (20–35 °C) until completely clear and mixing restores full batch uniformity.

Why are C6 caproic acid and C12 lauric acid limits important on a Caprylic/Capric Acid COA?
Excess C6 caproic acid (>0.5%–1.0%) introduces a sharp, unpleasant goat-like odor and lowers the flash point, while excess C12 lauric acid (>1.0%–1.5%) increases foaming in CIP sanitizers and high-pressure coolants and precipitates insoluble calcium laurate in hard water.

How does Caprylic/Capric Acid function in low-foam food-contact CIP sanitizers?
Buffered below pH 3.5–4.0 with phosphoric, lactic, or citric acid and solubilized by anionic sulfonate hydrotropes, uncharged C8 and C10 fatty acid molecules partition synergistically into bacterial and fungal cell membranes, causing membrane leakage and cytoplasmic acidification without generating foam in high-velocity CIP spray systems.

How is Caprylic/Capric Acid used in water-miscible metalworking fluids?
Neutralized with alkanolamines (such as MEA, TEA, DGA, or AMP) at pH 8.5 to 9.8, it forms low-foaming amine octanoate/decanoate salts that chemisorb onto freshly machined cast iron and steel to prevent flash rust.

Why is Caprylic/Capric Acid used in synthetic polyol ester (POE) refrigeration and turbine lubricants?
Esterifying Caprylic/Capric Acid with hindered polyols (NPG, TMP, or pentaerythritol) creates fully saturated mixed-chain esters with low viscosity, very low pour points (<-40 °C), high flash points, strong thermal-oxidative cleanliness, and complete miscibility with HFC and HFO refrigerants.

How does Caprylic/Capric Acid work as an agricultural contact herbicide?
Applied as an emulsifiable concentrate or potassium/ammonium soap spray at 2%–6% dilution, the lipophilic C8 and C10 chains dissolve the waxy plant cuticle and disrupt epidermal cell membranes, causing rapid weed desiccation within hours followed by rapid biodegradation in soil without persistent residues.

Is Caprylic/Capric Acid used in cosmetics and personal care?
Yes. It serves as the primary acyl feedstock for Caprylic/Capric Triglyceride, Coco-Caprylate/Caprate, Glyceryl Caprylate/Caprate, and PEG-6/PEG-8 Caprylic/Capric Glycerides, and is used directly in liquid soap bases and pH-adjusted cleansing systems.

Is Caprylic/Capric Acid used in food and nutritional applications?
Yes, when supplied as a verified Food Grade / EU E570 / FCC compliant product, where it is used to synthesize nutritional C8/C10 MCT oil, food-grade emulsifiers, pan-release glazes, flavor esters, E570 defoamers/processing aids, and no-rinse food-contact surface sanitizers.

Can Caprylic/Capric Acid replace Pelargonic Acid (C9) in industrial formulations?
In many synthetic polyol esters, metalworking corrosion inhibitors, and contact herbicides, a 55:45 or 60:40 Caprylic/Capric Acid blend matches the average molecular weight (~156–158 g/mol) and Acid Value (~356–362 mg KOH/g) of C9 Pelargonic Acid while offering 100% natural even-carbon vegetable origin and a lower eutectic freezing point.

Can Caprylic/Capric Acid replace branched 2-Ethylhexanoic Acid (2-EHA)?
Yes. Formulators widely use linear Caprylic/Capric Acid (or pure linear C8 acid) to replace petrochemical 2-ethylhexanoic acid in 2-EHA-free metalworking fluids, liquid Ca/Zn PVC heat stabilizers, and alkyd resins to eliminate reproductive toxicity hazard classifications.

Does neat Caprylic/Capric Acid corrode carbon steel, copper, or brass?
Yes. Undiluted Caprylic/Capric Acid corrodes carbon steel, cast iron, copper, brass, bronze, and zinc, picking up iron (yellow-brown discoloration) or copper (blue-green discoloration). Always use 316L (or 304) stainless steel, HDPE, polypropylene, or PTFE-lined equipment.

Which gasket and hose materials are compatible with Caprylic/Capric Acid?
PTFE, FFKM (perfluoroelastomer), and chemical-grade HDPE or 316L stainless steel hoses are compatible with neat Caprylic/Capric Acid. Avoid natural rubber, SBR, neoprene, polyurethane, and flexible PVC, which swell and degrade.

How is Caprylic/Capric Acid classified for transport and workplace safety?
Under GHS/CLP, neat Caprylic/Capric Acid is classified as causing severe skin burns and serious eye damage (Skin Corr. 1C, H314; Eye Dam. 1, H318) and harmful to aquatic life (Aquatic Chronic 3, H412). It is transported under Class 8 Corrosive Substances, UN 3265, Packing Group III.

What documents should be requested when purchasing Caprylic/Capric Acid?
Request the Technical Data Sheet (TDS), 16-section Safety Data Sheet (SDS), and batch Certificate of Analysis (COA), along with sector-specific declarations such as Food Grade / E570 / FCC, Cosmetic INCI/allergen, Kosher, Halal, Non-GMO, BSE/TSE-free, or RSPO certificates.

What information should I share when requesting a Caprylic/Capric Acid quotation from Ataman Kimya?
Share your target application, required C8:C10 ratio (such as 60/40 or 55/45), Acid Value range, color and C6/C12 impurity limits, required regulatory certifications (Industrial, Cosmetic, Food/E570, RSPO), preferred packaging (drums, IBCs, or bulk ISO tank), and order volume.

CAPRYLIC/CAPRIC ACID – TECHNICAL SUMMARY

Caprylic/Capric Acid, known in Turkish as Kaprilik/Kaprik Asit or C8-C10 Yağ Asidi and registered globally under CAS No. 68937-75-7 and EC / EINECS No. 273-086-2 (Fatty acids, C8-10), is a binary saturated medium-chain monocarboxylic fatty acid blend composed of linear eight-carbon caprylic acid (octanoic acid, C8H16O2, CAS 124-07-2) and ten-carbon capric acid (decanoic acid, C10H20O2, CAS 334-48-5). Manufactured via high-pressure steam hydrolysis and vacuum fractional distillation of coconut oil or palm kernel oil, it is supplied in standard commercial C8:C10 ratios such as 60:40 and 55:45 as a clear, colorless to pale yellowish mobile oily liquid.
Because the binary mixture of C8 and C10 chains exhibits eutectic crystallization depression, Caprylic/Capric Acid remains a pumpable liquid down to 0 to 10 degrees Celsius—well below the freezing points of pure Caprylic Acid (~16.5 °C) and pure Capric Acid (~31.5 °C). Combined with a high Acid Value of approximately 354 to 370 mg KOH/g, low Newtonian viscosity (~7 to 10 mPa·s at 20 °C), pH-responsive amphiphilic partitioning (pKa ~4.89), and complete freedom from olefinic double bonds (C8:0 and C10:0, Iodine Value <= 0.5–1.0 g I2/100 g), it provides exceptional resistance to oxidative rancidity, thermal yellowing, and gum formation.

Across industrial and regulated manufacturing, Caprylic/Capric Acid serves as the primary acyl feedstock for nutritional, pharmaceutical, and cosmetic Caprylic/Capric Triglyceride (MCT oil), cosmetic mono-/diester emollients and micellar solubilizers, and synthetic polyol ester (POE) refrigeration and aviation turbine lubricants. Directly in formulation and synthesis, it functions as an alkanolamine-neutralized ferrous corrosion inhibitor in water-miscible metalworking fluids, a non-foaming membrane-disrupting antimicrobial active in acidic food-contact CIP sanitizers and peroxyacid disinfectants, a biodegradable contact herbicide active, a non-yellowing short-oil baking alkyd modifier, a liquid Ca/Zn and Ba/Zn PVC heat stabilizer precursor, and an intermediate for perfumery esters, dyes, and mineral flotation collectors.
Buyers sourcing Caprylic/Capric Acid from Ataman Kimya are advised to specify their target application, required GC C8:C10 weight ratio and C6/C12 impurity ceilings, Acid Value range, APHA/Lovibond color and moisture limits, regulatory and sustainability certifications (Food/E570/FCC, Cosmetic, RSPO, Kosher, Halal), packaging preference (HDPE drums, IBC totes, or heated bulk ISO tanks), and order quantity to confirm current availability and quotation details.

Ataman Chemicals
Phone: +90 216 577 10 10
Email: info@atamankimya.com