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Palm Kernelamide DEA is a multifunctional nonionic surfactant produced by amidation of palm-kernel–derived C12–C14 fatty acids with diethanolamine, generating a complex mixture of medium-chain fatty acid diethanolamides.
A hallmark feature of Palm Kernelamide DEA is its exceptional foam-boosting ability, enhancing foam height, density, stability, and creaminess in shampoos, body washes, liquid soaps, and similar cleansing formulations.
Palm Kernelamide DEA is also a highly effective viscosity modifier, altering micelle geometry in anionic surfactant systems and forming associative networks that significantly increase viscosity and improve product texture.
CAS Number: 68603-42-9
EC Number: 271-657-0
Molecular Formula: C₂₄–C₃₆H₄₉–₆₃NO₃
Molecular Weight: approx. 300–400 g/mol
Synonyms: Palm Kernel Diethanolamide, PK-DEA, Palm Kernel Fatty Acid Diethanolamide, Palm Kernel DEA Surfactant, Palm Kernel DEA Foam Booster, Palm Kernel DEA Thickener, Palm Kernel Alkanolamide, PK-Amide DEA, C12–C14 Fatty Acid Diethanolamide, C12–C14 DEA Amide, Coconut/PK Diethanolamide, Cocamide DEA (PK-derived grade), Bis(2-hydroxyethyl) Palm Kernel Amide, N,N-Bis(2-hydroxyethyl) Palm Kernel Fatty Amide, Palm Kernel Monoethanolamide/Diethanolamide Blend, Fatty Acids, Palm Kernel, Diethanolamide, PKFA Diethanolamide, Lauric Myristic DEA, Lauric Acid Diethanolamide (PK source), Myristic Acid Diethanolamide (PK source), Lauramide DEA (PK variant), Myristamide DEA (PK variant), Alkanolamide C12–C14 DEA, Palm Kernel Oil DEA, Palm Kernel Derived Alkanolamide, PK Nonionic Amide Surfactant, PK Foam Enhancer DEA, PK Viscosity Builder DEA, PKDEA Surfactant Paste, PKDEA Emulsifying Agent, PKDEA Wetting Agent, PKDEA Solubilizing Agent, PKDEA Emollient Amide, Palm Kernel Amide Ethanolamine, Palm Kernel Hydroxyethyl Fatty Amide, PK-DEA Blend Grade, PKDEA Industrial Grade, PKDEA Cosmetic Grade, Coconut/Palm Kernel Alkanolamide, Palm Kernel DEA Emulsifier, Palm Kernel DEA Stabilizer, N,N-Bis(2-hydroxyethyl) C12–C14 Amide, C12–C14 Alkanolamide DEA, PK Fatty Amide Diethanolamine, Palm Kernel DEA Conditioning Agent, Palm Kernel DEA Co-Surfactant, Palm Kernel DEA Co-Emulsifier, Palm Kernel Amide Diethanolamine, PKDEA Fatty Amide Surfactant, Plant-Derived DEA Alkanolamide (PK source), ,
Palm Kernelamide DEA is a nonionic surfactant produced by reacting palm-kernel–derived C12–C14 fatty acids with diethanolamine.
Classified as a diethanolamide, Palm Kernelamide DEA provides strong foam boosting, excellent detergency, viscosity enhancement, and broad compatibility with anionic, nonionic, and amphoteric surfactants.
These attributes make Palm Kernelamide DEA a widely used multifunctional ingredient in personal care, household, and industrial formulations.
Commercially, Palm Kernelamide DEA appears as a moderately viscous, amber-to-yellow liquid with a mild odor and shows full solubility in water, alcohols, glycols, and mixed surfactant systems.
Thanks to its amphiphilic structure, Palm Kernelamide DEA positions itself at the air–water interface, generating dense, stable foam and significantly improving foam longevity in shampoos, body washes, liquid soaps, and bath products.
Palm Kernelamide DEA's strong viscosity-building effect especially in systems containing SLES, SLS, sulfonates, and betaines arises from the formation of mixed micelles and hydrogen-bond networks.
This enhances rheology, improves product texture, and enables formulators to achieve target viscosity with lower salt levels.
At the same time, the diethanolamide structure provides efficient emulsification and solubilization of oils, fragrances, and other hydrophobic ingredients.
As a mildness enhancer, Palm Kernelamide DEA reduces the irritation potential of harsh anionic surfactants by modifying micelle structure and decreasing the concentration of free monomers, resulting in a softer skin feel and improved cleansing comfort.
This makes Palm Kernelamide DEA especially valuable in formulations intended for frequent or daily use.
In household and industrial applications, Palm Kernelamide DEA functions as a foam stabilizer, wetting agent, dispersant, lubricant, and cleaning performance booster.
Palm Kernelamide DEA enhances soil removal and overall formulation efficiency in detergents, car shampoos, industrial degreasers, textile auxiliaries, and agrochemical products.
While regulatory attention exists in some regions due to the possibility of nitrosamine formation under specific conditions, modern manufacturing controls and proper formulation practices ensure compliance with cosmetic and detergent safety standards.
Palm Kernelamide DEA is a palm kernal diethanolamide that comprises alkanolamides of fatty acid based on a natural.
Palm Kernelamide DEA has emulsifying, solubilizing, anti-corrosion, degreasing, detergent, alkalinizing, thickening, foaming, neutralizing and foam stabilizing properties.
Palm Kernelamide DEA is widely used in association with anionic surfactants, e.g. sulfated fatty alcohols, sulfated ethoxylated fatty alcohols and linear alkyl benzene sulfonates, increasing solubility, foam stability and thickening of formulations.
Palm Kernelamide DEA can be used in hand dish-washing products, laundry detergents and liquid soaps.
In combination with anionic surfactants, Palm Kernelamide DEA will increase foaming power and detergency of the formula.
In hard surface cleaners, Palm Kernelamide DEA will provide detergency and corrosion protection during the cleaning process and is preferred over traditional nonionics for its reduced filming and streaking properties.
Palm kernelamide DEA is the reaction product of carboxylic acid from palm kernel oil with diethanolamine, a colourless aminal alcohol.
The substance mixture acts as an emulsifier (surface-active substance which is used in cosmetic products as an additive to prevent two immiscible liquids - e.g. (e.g. oil and water), emulsion stabilizer (supports the formation of emulsions and improves the stability and shelf life of emulsions), surfactant (washing-active substance/improves the even distribution of the products during application), viscosity regulator (increases or decreases the viscosity of cosmetic products) and as foaming agent (increases foam formation and improves volume, structure and stability of the foam).
Palm Kernelamide DEA is a versatile ingredient derived from palm kernel oil.
Palm Kernelamide DEA is commonly found in a variety of cosmetic and personal care products due to its multifunctional properties.
Chemically, Palm Kernelamide DEA belongs to the class of compounds known as amides, which are formed through a reaction between an amine and a carboxylic acid.
In this case, the amine is diethanolamine (DEA), and the carboxylic acid is derived from palm kernel oil.
The use of palm kernel oil in cosmetics dates back several decades, primarily due to its rich fatty acid content, which makes it an excellent base for creating surfactants and emulsifiers.
Palm Kernelamide DEA emerged as a popular ingredient in the mid-20th century when formulators were seeking more effective and stable emulsifying agents.
Palm Kernelamide DEA's ability to enhance the texture and stability of cosmetic formulations quickly made it a staple in the industry.
The production of Palm Kernelamide DEA involves a process known as amidation.
In this process, palm kernel oil is first hydrolyzed to produce fatty acids.
These fatty acids are then reacted with diethanolamine under controlled conditions to form the amide.
The resulting compound is a versatile ingredient that can perform multiple functions in cosmetic formulations, such as stabilizing emulsions, boosting foam, and controlling viscosity.
Palm Kernelamide DEA acts as an emulsifier, thickener & stabilizer and foaming agent.
Palm Kernelamide DEA is fatty alkanolamide derived from renewable vegetable oils.
Palm Kernelamide DEA is in liquid at room temperature, thus it is pourable and pumpable for liquid formulations.
Palm Kernelamide DEA is an excellent viscosity builder and foam booster.
Palm Kernelamide DEA is nitrosamine-free.
Palm Kernelamide DEA is used in anionic based cleansers like shampoos, facial cleansing creams, hand washes and body cleansers.
Available in 85% and 93% amide concentration.
Palm Kernelamide DEA is HALAL certified.
Palm Kernelamide DEA is a palm kernel diethanolamide containing fatty acid alkanolamides derived from a natural renewable resource (palm kernel oil).
Palm Kernelamide DEA has emulsifying, solubilizing, corrosion inhibitor, degreasing, detergent, alkalizing, thickening, foaming, neutralizing, and foam stabilizing properties.
Palm Kernelamide DEA is widely used in conjunction with anionic surfactants such as sulfated fatty alcohols, sulfated ethoxylated fatty alcohols, and linear alkyl benzene sulfonates, improving solubility, foam stability, and thickening of formulations.
Palm Kernelamide DEA can be used in hand dishwashing products, laundry detergents, and liquid soaps.
When used in conjunction with anionic surfactants, Palm Kernelamide DEA increases the formula's foaming power and detergency.
In hard surface cleaners, Palm Kernelamide DEA is preferred over traditional nonionics due to its detergency and corrosion protection during the cleaning process and its reduced film and streaking properties.
Palm Kernelamide DEA is a multifunctional nonionic surfactant produced by amidation of palm-kernel–derived C12–C14 fatty acids with diethanolamine, generating a complex mixture of medium-chain fatty acid diethanolamides.
Owing to Palm Kernelamide DEA's strong foaming capacity, viscosity enhancement, emulsifying power, and broad formulation compatibility, Palm Kernelamide DEA is extensively used in personal care, household cleaning, industrial processing, textile auxiliaries, and agricultural formulations.
As a diethanolamide surfactant, Palm Kernelamide DEA combines a hydrophobic fatty-acid tail with a hydrophilic diethanolamide head group, giving the molecule pronounced amphiphilicity and excellent compatibility with anionic, cationic, nonionic, and amphoteric surfactants.
Commercially, Palm Kernelamide DEA is supplied as a viscous, yellow-to-amber liquid or soft paste, with its physical consistency dependent on storage temperature and the saturation level of the fatty acid mixture.
Palm Kernelamide DEA dissolves readily in water or surfactant systems upon gentle heating and shows strong solubility in alcohols, glycols, and various organic solvents.
The typical composition contains lauramide DEA, myristamide DEA, and small amounts of higher-chain diethanolamides, each contributing to its overall surfactant profile and foam-enhancing performance.
A hallmark feature of Palm Kernelamide DEA is its exceptional foam boosting ability.
Palm Kernelamide DEA enhances foam height, density, stability, and creaminess, making it indispensable in shampoos, body washes, facial cleansers, liquid hand soaps, gel cleansers, bubble baths, and pet-care products.
By integrating into surfactant micelles and reducing surface tension, Palm Kernelamide DEA promotes the formation of fine, stable air bubbles that resist coalescence even in hard water.
This effect is particularly strong in formulations based on SLES, SLS, AES, sulfosuccinates, and betaines.
Palm Kernelamide DEA is also a highly effective viscosity modifier.
In anionic surfactant systems—especially those thickened with sodium chloride—Palm Kernelamide DEA alters micelle geometry and creates a three-dimensional associative network that markedly increases viscosity.
This enables formulators to achieve controlled rheology, improved texture, and consistent pourability while reducing the required salt level.
Consequently, Palm Kernelamide DEA serves as a cost-efficient thickener in both personal care and cleaning formulations.
Palm Kernelamide DEA's emulsifying and solubilizing properties further expand its utility.
Palm Kernelamide DEA stabilizes oil-in-water emulsions, solubilizes fragrances and essential oils, and disperses hydrophobic pigments, waxes, and conditioning agents.
In conditioners and emulsion-based creams, Palm Kernelamide DEA improves overall stability and contributes to a richer, smoother sensory profile.
Palm Kernelamide DEA also enhances deposition of conditioning oils during rinse-off applications.
As a mildness enhancer, Palm Kernelamide DEA reduces the irritation potential of harsher anionic surfactants by modifying micelle size, lowering the concentration of free monomers, and improving surfactant distribution on the skin.
This makes Palm Kernelamide DEA a preferred component in mild, gentle, or frequent-use cleansing products.
In household and institutional cleaning products, Palm Kernelamide DEA functions as a foam stabilizer, wetting agent, degreasing promoter, and soil-release enhancer.
Palm Kernelamide DEA is commonly included in dishwashing liquids, laundry detergents, car shampoos, industrial degreasers, hard-surface cleaners, and multipurpose detergents.
By improving wetting of hydrophobic soils and increasing surfactant penetration, Palm Kernelamide DEA boosts overall cleaning performance.
In industrial and technical applications, Palm Kernelamide DEA acts as a lubricity modifier, co-corrosion inhibitor, plasticizing aid, and textile processing auxiliary.
Palm Kernelamide DEA is used in textile scouring and dyeing baths, metalworking fluids, lubricant–coolant systems, and agricultural emulsifiable concentrates.
Palm Kernelamide DEA's thermal stability and pH tolerance allow it to function reliably under diverse processing conditions.
Palm Kernelamide DEA exhibits excellent formulation compatibility, blending smoothly with anionic surfactants (SLES, SLS, sulfonates), amphoteric surfactants (cocamidopropyl betaine), nonionic surfactants (alkoxylates, amine oxides), and cationics under controlled pH conditions.
Palm Kernelamide DEA performs consistently in hard water and remains stable in the presence of electrolytes, fragrances, oils, opacifiers, and conditioning agents.
Although Palm Kernelamide DEA offers outstanding performance, safety considerations are important.
Traditional manufacturing methods could generate nitrosamines under certain conditions.
Modern production routes minimize nitrosamine precursors, and strict regulatory guidelines govern permissible levels.
When manufactured and formulated appropriately, Palm Kernelamide DEA is considered a safe and effective surfactant for both personal care and industrial use.
Overall, Palm Kernelamide DEA is a versatile, powerful, and cost-efficient multifunctional surfactant.
Palm Kernelamide DEA's combination of foam boosting, thickening, emulsifying, solubilizing, mildness enhancement, and cleaning performance makes it a core ingredient across cosmetic, household, and industrial product categories.
Palm Kernelamide DEA's robust stability and broad formulation flexibility ensure its continued importance in modern surfactant technology.
Market Overview of Palm Kernelamide DEA:
The global market for Palm Kernelamide DEA continues to demonstrate stable and resilient demand, supported by its multifunctional performance as a foam booster, viscosity builder, emulsifier, and solubilizer across personal care, household cleaning, and industrial sectors.
With a current estimated value in the range of USD 450–750 million—depending on whether downstream derivatives are included—the market is forecast to expand at a CAGR of 4–6% over the next decade.
This growth trajectory is closely tied to the rapid expansion of the beauty and personal care industry, particularly in emerging markets throughout Asia-Pacific, Latin America, and Africa, where consumption of shampoos, body washes, liquid soaps, and cost-effective cleansing products is rising steadily.
Additional momentum is driven by the increasing global production of home-care cleaning agents—such as dishwashing liquids, laundry detergents, multipurpose cleaners, and automotive care products—where Palm Kernelamide DEA functions as a critical foam stabilizer and rheology modifier.
Palm Kernelamide DEA's strong performance, broad compatibility, and cost-efficiency have helped sustain demand across both premium and mass-market formulations.
Supply dynamics remain favorable due to the abundant availability of palm kernel oil, primarily sourced from Malaysia, Indonesia, West Africa, and parts of South America.
This stable agricultural feedstock base supports consistent production volumes and competitive pricing, reinforcing Palm Kernelamide DEA’s position relative to alternative alkanolamide-based surfactants.
Furthermore, rising consumer and regulatory interest in sustainability has encouraged manufacturers to adopt RSPO-certified and responsibly sourced palm derivatives, fostering a growing niche segment for renewable, “green” surfactants that leverage the natural origin of Palm Kernelamide DEA.
Regulatory developments—especially in North America and Europe concerning nitrosamine minimization—have catalyzed modernization in manufacturing technologies and encouraged reformulation efforts across personal care brands.
Although these concerns have driven some companies to explore alkanolamide-free thickening systems (e.g., amidopropylamines, imidazolines, and enhanced betaine blends), Palm Kernelamide DEA retains a strong market presence due to its unmatched foam enhancement, viscosity building efficiency, and broad surfactant compatibility.
The continued global preference for rich-foam cleansing products ensures a robust foundational demand.
The industrial and institutional (I&I) cleaning sector further strengthens market prospects as growth in manufacturing, automotive, textile, and hospitality industries fuels the need for high-performance cleaning concentrates.
Palm Kernelamide DEA’s effectiveness in high-foaming degreasers, car shampoos, hard-surface cleaners, and textile scouring systems contributes to its sustained uptake.
Additionally, the worldwide transition from bar soaps and powdered detergents toward liquid and gel formats continues to support long-term consumption across both mature and developing markets.
Uses of Palm Kernelamide DEA:
Palm Kernelamide DEA is employed extensively across personal care, household cleaning, industrial processing, textile manufacturing, and agricultural formulations due to its broad multifunctional surfactant profile.
Personal Care Applications:
In personal care products, Palm Kernelamide DEA is most commonly incorporated into shampoos, body washes, facial cleansers, liquid hand soaps, baby washes, and bath foams.
Palm Kernelamide DEA's exceptional foam-boosting capability enhances lather richness, density, and stability, producing a creamier and more luxurious sensory experience.
By stabilizing anionic surfactant micelles, Palm Kernelamide DEA improves foam quality even in hard-water environments, ensuring consistent performance across diverse consumer settings.
Beyond foam enhancement, Palm Kernelamide DEA functions as an effective viscosity builder, enabling formulators to achieve targeted rheology and optimal product thickness without relying solely on sodium chloride, which can cause viscosity drift or destabilization in SLES-based systems.
Cosmetic and Dermatological Formulations:
Palm Kernelamide DEA serves as an emulsifier, co-emulsifier, and solubilizer in creams, lotions, cleansers, and dermatological preparations.
Palm Kernelamide DEA efficiently disperses fragrances, essential oils, emollients, botanical extracts, and conditioning agents, improving product homogeneity and long-term stability.
Because Palm Kernelamide DEA moderates the irritation potential of harsh anionic surfactants, it is frequently included in mild, sensitive-skin, or daily-use formulations.
In hair care, Palm Kernelamide DEA enhances wet combability, lubrication, and conditioning oil deposition, resulting in smoother, softer hair after rinsing.
Household Cleaning Products:
Palm Kernelamide DEA is a key component of dishwashing liquids, laundry detergents, multipurpose cleaners, car shampoos, and high-foam degreasers.
Palm Kernelamide DEA increases foam volume and persistence while boosting washing efficiency under oily soil conditions.
Palm Kernelamide DEA's strong wetting and penetration abilities allow cleaning formulations to act more effectively on hydrophobic soils, often enabling performance improvements even with reduced overall surfactant levels.
Industrial & Institutional Cleaning:
I&I formulations rely on Palm Kernelamide DEA for its emulsifying, wetting, and foam-stabilizing properties.
Palm Kernelamide DEA is used in garage cleaners, engine wash solutions, food-industry degreasers, high-alkaline detergents, and metal-cleaning products.
Palm Kernelamide DEA's broad pH tolerance and ability to perform well in electrolyte-rich systems make it suitable for heavy-duty cleaning environments that demand stability under rigorous operating conditions.
Textile Processing:
In textile manufacturing, Palm Kernelamide DEA functions as a wetting agent, scouring auxiliary, and foam stabilizer in pre-treatment, dyeing, and finishing operations.
Palm Kernelamide DEA enhances fiber penetration, promotes uniform dye dispersion, and improves removal of oils, lubricants, and sizing agents.
Reduced surface tension enables efficient aqueous transport through textile substrates, supporting consistent processing quality.
Agricultural Formulations:
Agricultural chemical systems utilize Palm Kernelamide DEA for its emulsification, solubilization, and wetting capabilities.
Palm Kernelamide DEA stabilizes emulsifiable concentrates, improves spreading and adhesion of crop-protection sprays, and enhances penetration of active ingredients into plant surfaces.
Palm Kernelamide DEA's characteristic high foaming potential provides visual cues for spray coverage in certain tank-mix applications.
Benefits of Palm Kernelamide DEA:
In this section, we will delve into the officially recognized cosmetic benefits and uses of Palm Kernelamide Dea:
Emulsion Stabilising:
Palm Kernelamide Dea helps to keep the mixture of oil and water in your cosmetic products from separating.
This means that your lotions, creams, and other emulsions remain smooth and consistent, ensuring that you get the same texture and effectiveness from the first use to the last.
Cleansing:
Palm Kernelamide DEA has the ability to help remove dirt, oil, and other impurities from the skin.
When included in cleansers, Palm Kernelamide DEA aids in breaking down and washing away the grime that accumulates on your skin throughout the day, leaving you feeling fresh and clean.
Emulsifying:
Similar to its emulsion stabilizing properties, Palm Kernelamide Dea also helps to blend ingredients that typically don’t mix well together, such as oil and water.
This is crucial for creating a uniform product that applies evenly and performs consistently.
Foam Boosting:
If you love a good lather in your shampoos and body washes, you can thank ingredients like Palm Kernelamide Dea.
Palm Kernelamide DEA enhances the foaming action, making your cleansing products more enjoyable to use and helping to spread the product more effectively over your skin or hair.
Viscosity Controlling:
Ever wondered why some products are thick and creamy while others are light and runny? Palm Kernelamide Dea can help control the thickness (or viscosity) of cosmetic products.
This ensures that your creams, lotions, and gels have the right consistency for easy application and absorption.
Production of Palm Kernelamide DEA:
Palm Kernelamide DEA is manufactured through a controlled amidation reaction in which palm-kernel–derived fatty acids or fatty acid methyl esters are reacted with diethanolamine (DEA) to produce a mixture of medium-chain fatty acid diethanolamides.
Production begins with the extraction and refining of palm kernel oil, which is naturally rich in lauric (C12) and myristic (C14) acids, with smaller fractions of C10 and C16 components.
These refined fatty acids or their corresponding methyl esters are fed into a reaction vessel together with diethanolamine in precisely regulated stoichiometric ratios to achieve the desired product distribution and performance properties.
The amidation process is typically carried out at 120–180 °C, depending on the feedstock.
When fatty acids are used, the reaction proceeds via direct condensation, generating water as a by-product.
Continuous removal of this water—through vacuum stripping or nitrogen sparging—is necessary to drive the equilibrium toward complete amide formation and to avoid hydrolysis.
When methyl esters are used, the reaction proceeds via aminolysis, producing methanol as the main by-product.
Methanol is removed by distillation and condensed for recovery or safe handling.
The methyl ester route typically provides faster conversion, lower energy requirements, reduced discoloration, and cleaner product quality, making it preferred for cosmetic and high-purity grades.
Precise control of temperature, agitation, vacuum level, and reaction time is crucial to ensuring the correct degree of amidation while minimizing by-products such as monoalkanolamides, unreacted diethanolamine, or partial esters.
Some manufacturers employ catalysts to increase reaction speed or reduce energy consumption, though many avoid catalysts in order to simplify downstream purification.
Reaction progress is monitored continuously through measurements of amide content, acid value, residual amine levels, and viscosity.
After amidation is complete, the reaction mixture undergoes purification to remove residual diethanolamine, unreacted fatty acids, methanol or water, and trace impurities that may influence performance or regulatory compliance.
Depending on purity requirements, this may involve vacuum stripping, thin-film evaporation, or molecular distillation.
The purified product is then cooled under controlled conditions to yield the characteristic viscous liquid or semi-solid form of Palm Kernelamide DEA.
Antioxidants or stabilizers may be added at this stage to prevent discoloration and maintain storage stability.
Palm Kernelamide DEA is subsequently filtered, homogenized, and transferred to storage tanks, where it may be deaerated or conditioned to ensure uniform texture and flow properties.
Comprehensive quality control testing—including pH, color, viscosity, moisture content, amide content, residual diethanolamine, and nitrosamine analysis—is conducted to confirm conformity with personal care and detergent regulatory standards.
High-purity cosmetic grades must meet strict limits on nitrosamine precursors, motivating manufacturers to optimize feedstock selection and processing conditions to minimize nitrosation risks.
Once validated, Palm Kernelamide DEA is packaged into drums, IBCs, or bulk tankers for shipment to personal care, home care, industrial cleaning, textile, and agricultural formulation manufacturers.
By integrating renewable palm-based feedstocks with optimized modern processing technology, the production system ensures consistent, high-performance Palm Kernelamide DEA with broad global availability.
Synthesis of Palm Kernelamide DEA:
The synthesis of Palm Kernelamide DEA is based on the amidation or aminolysis of palm-kernel–derived fatty acids or fatty acid methyl esters with diethanolamine (DEA), yielding a characteristic mixture of C12–C14 diethanolamides.
The process begins with careful selection and purification of palm kernel oil, which is hydrolyzed to free fatty acids or transesterified to fatty acid methyl esters.
These refined intermediates ensure uniform chain-length distribution, which directly influences the final surfactant’s foaming, emulsifying, and viscosity-building behavior.
Direct Amidation Route:
In the direct amidation pathway, purified fatty acids are combined with diethanolamine in controlled molar ratios and heated to 140–180 °C.
The reaction proceeds via nucleophilic attack of the diethanolamine nitrogen on the fatty acid carbonyl, forming the amide linkage and releasing water as a by-product.
Efficient removal of this water—using vacuum stripping, nitrogen sweeping, or a combination of both—is essential to drive the equilibrium forward and to prevent incomplete conversion or excessive formation of monoalkanolamides.
Reaction progress is monitored through acid value, amide content, and viscosity, ensuring high conversion and consistent product quality.
Poor water removal or temperature fluctuations can lead to free fatty acids, partial amides, or hydrolysis products that negatively affect surfactant performance.
Ester Aminolysis Route:
In the ester aminolysis route, palm-kernel–derived fatty acid methyl esters are reacted with diethanolamine at 120–160 °C.
Here, diethanolamine attacks the ester carbonyl to form the diethanolamide while liberating methanol as the primary by-product.
Continuous removal of methanol via distillation enhances reaction rates and allows operation at lower temperatures.
This route offers several advantages:
Higher reaction efficiency
Lower thermal discoloration
Reduced impurity and cyclic amide formation
Cleaner, lighter-colored product suitable for cosmetic-grade applications
Because of these benefits, the methyl ester route is preferred for high-purity and personal care formulations.
Process Control and Optimization:
Throughout synthesis, key parameters such as temperature, mixing intensity, pressure, molar ratios, and residence time are carefully controlled to minimize side reactions, particularly those leading to nitrosamine precursor formation or residual diethanolamine.
Many manufacturers employ vacuum reactors or thin-film evaporators to accelerate by-product removal, improve energy efficiency, and ensure high conversion.
While catalysts can be used to increase aminolysis rate, many producers avoid catalytic systems to simplify purification and maintain compliance with cosmetic regulatory requirements.
Purification:
After achieving the target amidation or aminolysis conversion, the reaction mixture is purified to remove:
Residual diethanolamine
Unreacted fatty acids or methyl esters
Methanol or water
Minor low-molecular-weight by-products
Purification techniques include vacuum distillation, molecular distillation, thin-film evaporation, or fine filtration, depending on purity specifications.
Cosmetic and personal care grades require stricter removal of nitrosamine precursors and therefore undergo more rigorous purification and analytical validation.
Final Composition:
The completed synthetic product is a viscous amber liquid or semi-solid consisting primarily of:
Lauramide DEA (C12)
Myristamide DEA (C14)
with smaller proportions of other chain-length diethanolamides reflecting the natural fatty acid distribution of palm kernel oil.
Consistent chemical structure and controlled amide content ensure predictable foaming, thickening, emulsification, and solubilization performance across a wide range of personal care, household, and industrial formulations.
History of Palm Kernelamide DEA:
The history of Palm Kernelamide DEA is closely intertwined with the development of the modern surfactant industry and the rise of palm kernel oil as a globally dominant renewable raw material during the mid-20th century.
In the early years of commercial surfactant manufacturing, fatty acid diethanolamides were primarily synthesized from tallow and coconut oil, which were the most accessible natural sources of medium-chain fatty acids.
As the surfactant industry expanded, these diethanolamides were recognized for their foam-boosting, emulsifying, and viscosity-enhancing properties, making them valuable additives in early cleansing and detergent formulations.
Emergence of Palm Kernel Oil as a Superior Feedstock:
During the 1950s and 1960s, large-scale expansion of oil palm plantations across Malaysia, Indonesia, and West Africa fundamentally shifted the feedstock landscape.
Palm kernel oil—rich in lauric (C12) and myristic (C14) acids—offered performance advantages over earlier raw materials, providing stronger foam, improved detergency, and superior emulsification.
As a result, palm-kernel–derived diethanolamides rapidly replaced earlier tallow- and coconut-based variants, becoming mainstream components in personal care and household cleaning products.
Growth with the Personal Care Boom (1970s–1980s):
The 1970s and 1980s marked a major growth phase as global consumption of shampoos, dishwashing liquids, and liquid detergents expanded.
Palm Kernelamide DEA became widely adopted for its ability to:
Increase foam richness and density
Stabilize surfactant systems
Build viscosity efficiently
Reduce the harshness of primary anionic surfactants
During this period, chemical manufacturers significantly improved amidation and aminolysis processes, enabling high-volume, cost-effective production and better batch consistency.
Refining and purification technologies also advanced, yielding lighter-colored and lower-impurity grades suitable for premium cosmetic applications.
Regulatory Evolution and Nitrosamine Controls (Late 1980s–1990s):
By the late 1980s and early 1990s, regulatory agencies began scrutinizing the potential formation of nitrosamines in diethanolamine-containing surfactants under certain conditions.
This triggered a wave of innovation, including:
Improved purification to reduce residual diethanolamine
Development of nitrosamine-controlled reaction processes
Enhanced monitoring of amine levels and reaction by-products
Despite regulatory pressures, Palm Kernelamide DEA remained highly valued for its performance profile, and manufacturers successfully adapted production to meet evolving safety standards.
Transition Toward Sustainability (2000s–Present):
The early 2000s marked a shift toward renewable sourcing, sustainability, and supply chain traceability in the chemical industry.
Palm kernel oil’s high yield, renewability, and global availability positioned Palm Kernelamide DEA as an attractive bio-based alternative to petroleum-derived surfactants.
The expansion of RSPO (Roundtable on Sustainable Palm Oil) certification further strengthened its role in environmentally responsible product development, especially for the personal care and home care sectors.
Modern Role in Formulation Science:
Today, Palm Kernelamide DEA remains a widely utilized and reliable surfactant, backed by decades of industrial optimization.
Although alternative DEA-free and amidopropylamine-based thickeners have gained market share in certain applications, Palm Kernelamide DEA continues to be indispensable in formulations requiring:
High foam stability
Strong viscosity building
Robust emulsification
Broad surfactant compatibility
Palm Kernelamide DEA's long-standing history reflects both the evolution of renewable surfactant chemistry and the enduring global demand for multifunctional, high-performance formulation ingredients.
Stability and Reactivity of Palm Kernelamide DEA:
Palm Kernelamide DEA (palm kernel diethanolamide) is generally stable under normal handling and recommended storage conditions.
Palm Kernelamide DEA is a non-ionic, surfactant-type amide formed from palm kernel fatty acids and diethanolamine, and does not readily undergo hazardous decomposition at ambient temperatures.
Palm kernelamide DEA remains chemically stable when stored in closed containers, protected from excessive heat, direct sunlight, and moisture.
Palm Kernelamide DEA is considered to have low reactivity under typical industrial use.
However, contact with strong oxidizing agents may lead to degradation, discoloration, or exothermic reactions.
Prolonged exposure to elevated temperatures can cause thermal decomposition, generating irritating fumes and trace amounts of nitrogen-containing vapors.
Palm kernelamide DEA may slowly darken (yellow to brown) over time due to mild oxidation, which does not necessarily indicate loss of performance but may affect color-critical applications.
Hazardous polymerization is not expected to occur.
Under severe heat or fire conditions, decomposition products may include carbon monoxide (CO), carbon dioxide (CO₂), nitrogen oxides (NOₓ), and low levels of amine- and fatty-derived organic fumes.
Handling and Storage of Palm Kernelamide DEA:
Palm Kernelamide DEA should be handled using good industrial hygiene and safety practices.
Avoid prolonged or repeated skin contact, as surfactant-containing amide products can cause defatting and irritation in sensitive individuals.
Prevent contact with eyes and avoid inhalation of mists or aerosols that may be generated during pumping, spraying, or high-shear mixing.
Use only in well-ventilated areas or with local exhaust ventilation in operations where airborne droplets or vapors could form.
When transferring Palm kernelamide DEA, use appropriate pumps and closed systems where possible to minimize splashing and aerosol formation.
Do not eat, drink, or smoke while handling Palm kernelamide DEA.
Wash hands and exposed skin thoroughly after use and before breaks.
For storage, keep Palm Kernelamide DEA in tightly closed, properly labeled containers.
Store in a cool, dry, and well-ventilated area away from direct sunlight and significant heat sources.
Recommended storage temperature is typically ambient to moderately warm to prevent excessive thickening or solidification; avoid freezing conditions that may cause phase separation or increased viscosity.
Keep away from strong oxidizing agents, strong acids, and reactive chemicals.
Use compatible materials such as stainless steel or suitable lined steel, and avoid unprotected reactive metals if possible.
Protect from moisture and contamination to maintain product quality and microbial cleanliness.
First Aid Measures of Palm Kernelamide DEA:
Inhalation:
If mists or vapors are inhaled and cause discomfort, move the affected person to fresh air and keep them at rest in a position comfortable for breathing.
If respiratory irritation, coughing, or shortness of breath persists, seek medical attention.
In normal use, significant inhalation exposure is unlikely unless Palm kernelamide DEA is aerosolized.
Skin Contact:
Remove contaminated clothing and shoes.
Wash affected skin thoroughly with plenty of water and mild soap.
Palm Kernelamide DEA may cause mild to moderate irritation or dryness after prolonged or repeated contact.
If irritation, redness, or discomfort persists, obtain medical advice.
Wash contaminated clothing before reuse.
Eye Contact:
Immediately flush eyes with plenty of clean, lukewarm water for at least 15 minutes, holding eyelids apart and moving the eye in all directions to ensure thorough rinsing.
Remove contact lenses if present and easy to do so, then continue rinsing.
Palm Kernelamide DEA can cause irritation, redness, and discomfort to the eyes due to its surfactant nature.
Seek medical attention if pain, redness, or blurred vision persists.
Ingestion:
Rinse mouth with water.
Do not induce vomiting unless directed by medical personnel.
If the person is conscious, give small amounts of water to drink.
Ingestion may cause gastrointestinal discomfort such as nausea, vomiting, or diarrhea.
Seek medical advice, especially if large quantities have been swallowed or if symptoms persist.
Most Important Symptoms:
Eye irritation (redness, stinging, watering), mild to moderate skin irritation or dryness, possible gastrointestinal upset if ingested, and mild respiratory irritation if mists are inhaled.
Severe systemic toxicity is not expected under normal exposure scenarios, but medical evaluation is recommended for significant or prolonged exposures.
Firefighting Measures of Palm Kernelamide DEA:
Suitable Extinguishing Media:
Use water spray, foam, dry chemical, or carbon dioxide (CO₂) to extinguish fires involving Palm Kernelamide DEA.
Water spray or fog may be used to cool exposed containers and surrounding areas.
Specific Hazards:
Palm Kernelamide DEA is not highly flammable but is a combustible organic liquid or paste-like material.
When heated to decomposition, Palm Kernelamide DEA may produce irritating or toxic fumes including carbon monoxide, carbon dioxide, nitrogen oxides, and organic vapors.
Containers exposed to significant heat may experience pressure buildup and could rupture if severely overheated.
Protective Equipment for Firefighters:
Firefighters should wear full protective clothing and self-contained breathing apparatus (SCBA) to avoid exposure to combustion products and fumes.
Approach fire from upwind, and avoid breathing smoke and vapors.
Additional Advice:
Cool closed containers with water spray to prevent overheating and potential rupture.
Prevent contaminated firefighting water from entering drains, surface waters, or soil.
Contain and collect runoff with absorbent materials if safe to do so.
Accidental Release Measures of Palm Kernelamide DEA:
Personal Precautions:
Restrict access to the area until cleanup is complete.
Wear appropriate personal protective equipment, including chemical-resistant gloves, safety glasses or goggles, and protective clothing.
If mists or vapors are present, ensure adequate ventilation and consider respiratory protection.
Avoid contact with skin and eyes and avoid inhalation of aerosols.
Environmental Precautions:
Prevent Palm kernelamide DEA from entering drains, surface waters, and soil in uncontrolled quantities.
Although Palm Kernelamide DEA is typically of low acute environmental toxicity, surfactant-like materials can affect aquatic organisms and wastewater treatment systems at high concentrations.
In case of significant release to the environment, notify appropriate local authorities according to regulations.
Cleanup Methods:
For small spills, contain the spill with absorbent material such as sand, diatomaceous earth, or commercial absorbents.
Collect the saturated absorbent into suitable labeled containers for disposal.
For larger spills, dike the area to prevent spreading, pump or scoop the bulk material into recovery or waste containers, and then treat residues with absorbent.
Clean contaminated surfaces with water and a mild detergent, taking care to control runoff.
Dispose of waste material and contaminated absorbents according to local, regional, and national regulations.
Exposure Controls / Personal Protective Equipment of Palm Kernelamide DEA:
Engineering Controls:
Use local exhaust ventilation or general mechanical ventilation in areas where Palm Kernelamide DEA is heated, sprayed, or agitated in a way that may generate mists or vapors.
Closed transfer systems, covered mixing vessels, and controlled pumping operations are recommended to minimize occupational exposure.
Provide easily accessible eye wash stations and safety showers in production or filling areas.
Respiratory Protection:
Under normal conditions of use with adequate ventilation, respiratory protection may not be required.
If ventilation is insufficient or if mists and aerosols are generated (for example, high-shear spraying or foaming operations), use a suitable respirator equipped with particulate and/or organic vapor filters, as appropriate.
For large spills or unknown concentrations, a higher level of respiratory protection may be necessary according to site safety procedures.
Eye Protection:
Use safety glasses with side shields as a minimum.
Where splashing, spraying, or high-pressure transfer is possible, chemical splash goggles or a face shield should be worn to provide additional protection.
Skin Protection:
Wear chemical-resistant gloves (such as nitrile, neoprene, or PVC) to prevent repeated or prolonged skin contact.
Depending on the operation, use long-sleeved protective clothing, lab coats, or chemical-resistant aprons.
For large-scale industrial handling, protective footwear and additional body protection may be required according to site risk assessment.
Hygiene Measures:
Wash hands, forearms, and face thoroughly after handling and before eating, drinking, smoking, or using the restroom.
Do not store food or beverages in areas where chemicals are handled.
Remove contaminated clothing and protective equipment before entering break areas, and launder contaminated garments before reuse.
Identifiers of Palm Kernelamide DEA:
Chemical Name: Palm Kernelamide DEA
IUPAC Name: N-(2-Hydroxyethyl)-N-(2-hydroxyethyl) fatty acid amide (palm kernel–derived)
Common Name: Coconut Diethanolamide (Cocamide DEA analogue, palm kernel–based)
Synonyms: Palm Kernel Diethanolamide; PK-DEA; Palm Kernelamide Diethanolamine; Palm Kernel Fatty Acid Diethanolamide; PKDEA Surfactant; Palm Kernel Monoethanolamide/Diethanolamide Blend; Palm Kernel DEA Foam Booster; PK-Amide DEA; Alkanolamide DEA (Palm Kernel Source); Diethanolamides, C12–C14 fatty acids (palm kernel)
Chemical Family: Alkanolamides / Nonionic surfactants
CAS Number: 68603-42-9 (Palm kernel/coconut fatty acid diethanolamide group)
EC Number: 271-657-0
Molecular Formula: Typically C₂₄–C₃₆H₄₉–₆₃NO₃ depending on fatty acid distribution
Molecular Weight: Variable (approx. 300–400 g/mol, depending on C12–C14 chain composition)
INCI Name: Cocamide DEA (palm kernel–derived grade)
UN Number: Not classified under a specific UN category (non-hazardous class under transport)
HS Code: 3402.13 (Nonionic organic surface-active agents)
Appearance: Clear to pale-yellow viscous liquid or semi-solid paste
Odor: Mild, characteristic fatty/amidic odor
Solubility: Dispersible in water; soluble in ethanol and many organic solvents
Stability Class: Stable nonionic amide surfactant
CAS Number: 68603-42-9 (Fatty acids, coconut oil, diethanolamide – palm kernel fraction included)
EC Number: 271-657-0
Molecular Formula: Variable mixture; general empirical formula CₓHNO₃
Molecular Weight: Broad distribution, typically 300–400 g/mol depending on fatty acid profile
Chemical Structure: Amide linkage between palm kernel fatty acids and diethanolamine containing two hydroxyl-bearing ethyl groups
Structure Type: Complex mixture of C12 and C14 alkanolamides derived from PKFA
UN Number: Not assigned; not classified as dangerous under standard UN transport categories
HS Code: 3402.13
Appearance: Clear to light-yellow viscous liquid or waxy semi-solid at room temperature
Physical State: Liquid or soft paste depending on storage temperature
Odor: Mild, characteristic fatty/amidic odor with low volatility
Density: Typically 0.95–1.02 g/cm³
Properties of Palm Kernelamide DEA:
Physical State: Highly viscous liquid or semi-solid paste depending on temperature (soft, wax-like at cooler temperatures; fluid at warm temperatures)
Appearance: Clear, pale-yellow to amber liquid or paste with smooth, uniform consistency
Odor: Mild, characteristic fatty-amide odor with low volatility and low irritancy
Color Stability: Slight darkening may occur over time due to mild oxidation; does not significantly affect performance
Solubility in Water: Dispersible; forms stable, opacified solutions with mild heating or gentle agitation
Solubility in Organic Solvents: Soluble in ethanol, isopropanol, glycols, and a wide range of surfactant-compatible solvent systems
Hydrophilic-Lipophilic Balance (HLB): Typically mid–range, suitable for foam boosting, emulsification, and viscosity modification
Surface Activity: Exhibits strong synergistic foam enhancement and viscosity increase when combined with anionic surfactants
pH (1–10% Solution): Slightly alkaline due to residual diethanolamine functionality
Acid-Base Behavior: Exhibits weak basicity; can be neutralized or protonated by strong acids
Hygroscopicity: Slightly hygroscopic; may absorb minimal moisture from humid environments
Melting/Softening Point: Approximately 20–28°C, depending on C12/C14 fatty acid distribution
Boiling Behavior: Non-distillable surfactant mixture; decomposes before boiling
Flash Point: Typically >150°C (high due to low vapor pressure and low volatility)
Thermal Stability: Stable under normal processing; viscosity decreases with increasing temperature
Specifications of Palm Kernelamide DEA:
Product Name: Palm Kernelamide DEA
Chemical Type: Nonionic alkanolamide surfactant (C12–C14 fatty acid diethanolamide)
Grade: Industrial / Cosmetic / Detergent grade (specification varies by supplier)
Appearance: Clear to pale-yellow viscous liquid or semi-solid paste
Color (Gardner): Typically ≤ 6–10 (grade-dependent)
Odor: Mild characteristic fatty-amide odor
Active Content: 85–97% (typical commercial specification range)
Free Diethanolamine (DEA): ≤ 5–8% depending on grade and application requirements
Free Fatty Acid Content: ≤ 5% (often < 3% for cosmetic grade)
Amide Purity: High amide-quality material with controlled mono- and diethanolamide ratio
Total Amine Value: Typically 20–60 mg KOH/g
pH (1–10% Solution): 8.0–10.0 (slightly alkaline due to residual amines)
Moisture Content: ≤ 1.0%
Specific Gravity (25°C): 0.95–1.02 g/cm³
Density (Bulk): Approximately 950–1020 kg/m³
Refractive Index (at 25°C): ~1.455–1.470
Viscosity (25°C): Highly viscous; often 2,000–15,000 mPa·s depending on temperature and fatty chain composition
Viscosity Behavior: Strongly temperature dependent; becomes fluid above 30–35°C
Melting/Softening Point: Approximately 20–28°C
Flash Point: > 150°C (closed cup)
