PRODUCTS

CETEARYL ISONONANOATE

Cetearyl Isononanoate also plays nicely with common actives like retinoids, vitamin C and niacinamide without destabilizing them.
Cetearyl Isononanoate can be used as a softener, conditioner, etc.
Cetearyl Isononanoate is useful in hair conditioners as a conditioning agent.

CAS Number: 84878-33-1
EC Number: 284-424-3
Molecular Formula: C25H50O2
Molecular Weight: 382.7 g/mol

SYNONYMS:
hexadecyl 3,5,5-trimethylhexanoate, octanoic acid, 7-methyl-, hexadecyl ester, Hexanoic acid, 3,5,5-trimethyl-, hexadecyl ester, hexadecyl isononanoate, isononanoic acid, hexadecyl ester, Isononanoicacid, hexadecyl ester, iso nonanoic acid, C16-18-alkyl esters, Cetearyl isononanoate, CETOSTEARYL ISONONANOATE (EP IMPURITY), CETOSTEARYL ISONONANOATE [EP IMPURITY], CETOSTEARYL ISONONANOATE (EP MONOGRAPH), CETOSTEARYL ISONONANOATE [EP MONOGRAPH], SABODERM CSN, TEGOSOFT CI, CETIOL SN, CETOSTEARYL ISONONANOATE, P5O01U99NI, DUB IN 1618, CETEARYL ISONONANOATE [INCI], CETEARYL ISONONANOATE [WHO-DD], Hexadecyl 7-methyloctanoate, 84878-33-1, Isononanoicacid, hexadecyl ester, SCHEMBL27696088, DTXSID801005170, hexadecyl 3,5,5-trimethylhexanoate, octanoic acid, 7-methyl-, hexadecyl ester, Hexanoic acid, 3,5,5-trimethyl-, hexadecyl ester, hexadecyl isononanoate, isononanoic acid, hexadecyl ester, Isononanoicacid, hexadecyl ester, cetyl isononanoate, Hexadecyl isononanoate, EINECS 284-424-3, Z371W2270H, Isononanoic acid, hexadecyl ester, CETYL ISONONANOATE [INCI], SCHEMBL13734568, UNII-Z371W2270H, HJQLXIPVQPEJRY-UHFFFAOYSA-N, Hexanoic acid, 3,5,5-trimethyl-, hexadecyl ester, Q27294936, hexadecyl 7-methyloctanoate, hexadecyl isononanoate, octanoic acid, 7-methyl-, hexadecyl ester, Einecs 284-424-3, CETYL ISONONANOATE, hexadecyl isononanoate, Isononanoic acid, hexadecyl ester, hexadecyl 3,5,5‑trimethylhexanoate, hexadecyl isononanoate, cetyl isonononanoate, cetyl‑stearyl‑isononanoate, cetearyl isononanoate, cetylstearylisononanoat, setearil isononanoate, hexadecyl stearyl‑isononanoate, Isononanoic acid, C_16‑18‑alkyl esters, UNII‑Z371W2270H, SCHEMBL13734568, HJQLXIPVQPEJRY‑UHFFFAOYSA‑N, CosIng 74960, EINECS 284‑424‑3, Setil izononanoate, steril izononanoate

Cetearyl Isononanoate is an ester that forms when cetyl alcohol reacts with isononanoic acid, giving a silky lightweight oil.
Both starting materials are usually made in a lab but they can also be sourced from plant oils or petrochemicals.
Chemists heat and combine them in a process called esterification, then purify the result so it meets cosmetic grade standards.

Cetearyl Isononanoate first appeared in skin care labs in the late 1970s as brands looked for smoother alternatives to heavy oils.
Its dry satiny feel quickly made Cetearyl Isononanoate popular in face creams, makeup primers and sunscreens.
Today you will spot Cetearyl Isononanoate in moisturizers, anti-aging serums, sheet masks, cleansing balms, foundations, lipsticks and even hair conditioners where it helps products glide and leaves a soft after-feel.

Cetearyl Isononanoate has excellent emulsification, dispersing and wetting ability.
Cetearyl Isononanoate has good solubilization of active substances.
Cetearyl Isononanoate is stable and not easy to oxidize.

Cetearyl Isononanoate is an ester of cetyl alcohol with a branched chain nonanoic acid.
Cetearyl Isononanoate is an ester of Cetearyl Alcohol (q.v.) and a branched chain nonanoic acid.
Cetearyl Isononanoate is a traditional, medium spreading emollient for modern cosmetic applications.

This productCetearyl Isononanoatemean molecular weight, and a spreading value of approx. 700 mm²/10 min.
Cetearyl Isononanoate has a viscosity (20°C) of 19-22 mPas, a cloud point of < 15°C, a refractive index (20°C) of 1.4480-1.4500, and a density (20°C) of 0.856 g/cm³.

Cetearyl Isononanoate is part of the "Mass Balance" range, based on RSPO-certified palm kernel oil.
Cetearyl Isononanoate is a versatile cosmetic ingredient that is widely used in skincare and personal care products.
Cetearyl Isononanoate is a fatty acid ester that has excellent emollient properties, meaning it can help to soften and smooth the skin and hair.

Cetearyl Isononanoate also has a low viscosity, so it is easier to incorporate in a range of different formulations.
Cetearyl Isononanoate can commonly be found in products like moisturizers, sunscreens, conditioners, and makeup.
The chemical formula of Cetearyl Isononanoate is C25H50O2.

Cetearyl Isononanoate is a medium viscous emollient with hydrophobic properties, which when added to a cosmetic product will help to soften, smooth and lubricate the skin.
Cetearyl Isononanoate offers hydrophobic film which prevent skin from drying.

Cetearyl Isononanoate is well tolerated by the human skin.
Cetearyl Isononanoate is a good solubilizer for active ingredients and UV filters.

Cetearyl Isononanoate is stable to oxidation.
Cetearyl Isononanoate's a clear, slightly yellowish oil (comes from coconut or palm kernel oil) that is used as a traditional, medium spreading emollient.

USES and APPLICATIONS of CETEARYL ISONONANOATE:
Cosmetic Uses of Cetearyl Isononanoate: hair conditioning, skin conditioning, and skin conditioning - emollient.
Cetearyl Isononanoate is a well‑characterized, safe, and versatile cosmetic ester, valued for its emollient, conditioning, and sensory-enhancing properties.
Cetearyl Isononanoate is stable, non-volatile, and compatible with many ingredients, it is used across skin, hair, and sun care formulations.

Cetearyl Isononanoate's safety is supported by regulatory assessments and decades of cosmetic use.
Cetearyl Isononanoate does not increase photosensitivity and can be used day or night.
Cetearyl Isononanoate also plays nicely with common actives like retinoids, vitamin C and niacinamide without destabilizing them.

Cetearyl Isononanoate can be used as a softener, conditioner, etc.
Cetearyl Isononanoate is useful in hair conditioners as a conditioning agent.

USES & BENEFITS OF CETEARYL ISONONANOATE:
*Emollient / Skin Conditioner:
Cetearyl Isononanoate softens skin, imparts a smooth, non-greasy feel; replaces volatile silicones.

*Hair Conditioning Agent:
Cetearyl Isononanoate enhances combability, softness, volume, shine.

*Solvent / Solubilizer:
Cetearyl Isononanoate is effective carrier for UV filters, actives.

*Esthetic Modifier:
Cetearyl Isononanoate offers a dry, silky after-feel; delivers quick-dry sensation.

*Anti-occlusive Film Former:
Cetearyl Isononanoate helps protect against dehydration/water loss.

COSMETIC BENEFITS/USES OF CETEARYL ISONONANOATE:
This versatile ester, Cetearyl Isononanoate, delivers a couple of key perks when blended into beauty formulas:

*Skin conditioning –
Cetearyl Isononanoate leaves a soft, supple finish on skin which can improve texture and overall feel.

*Emollient –
Cetearyl Isononanoate fills in tiny gaps on the skin surface helping to smooth rough patches reduce moisture loss and boost spreadability so products apply evenly.

FUNCTION(S) OF CETEARYL ISONONANOATE IN COSMETIC PRODUCTS:
*SKIN CARE
Keeps the skin in good condition.

*SKIN CARE - EMOLLIENT
Softens and smoothes the skin.

WHAT CETEARYL ISONONANOATE USED FOR?
Cetearyl Isononanoate is a widely used ingredient in the personal care and cosmetic industry.
Cetearyl Isononanoate is primarily an emollient that helps in nourishing and hydrating the skin, leaving it soft and supple.

Further, Cetearyl Isononanoate also acts as a lubricant in hair care products to improve the texture of the shafts and control frizz.
Additionally, Cetearyl Isononanoate is a good emulsifier that stabilizes cosmetic formulations and provides them with a smooth and silky texture.
Cetearyl Isononanoate also forms a protective barrier on skin and hair to protect them from harmful environmental stressors.

CHARACTERISTICS OF CETEARYL ISONONANOATE:
Cetearyl Isononanoate is a colourless liquid which is very well tolerated by the human skin and useful for conditioning the hair.

HOW TO USE CETEARYL ISONONANOATE:
Blend Cetearyl Isononanoate in finished products to impart emollient, Hair Conditioning and Skin Conditioning properties.

RECOMMENDED USAGE LEVEL OF CETEARYL ISONONANOATE:
*0.1 - 8% Suncare Products
*0.1 - 8% Cosmetic Products
*40% Oils

CHARACTERISTICS & BENEFITS OF CETEARYL ISONONANOATE:
*Branched-Chain Ester:
Cetearyl Isononanoate combines long fatty alcohol (cetyl) with branched nonanoic acid — yields low viscosity, excellent spreadability.

*“Silk Oil” Feel:
Cetearyl Isononanoate delivers a luxurious, dry after-feel, enhancing sensory texture.

*Silicone Alternative:
Cetearyl Isononanoate can substitute costly or volatile silicones in formulations.

*Stability & Compatibility:
Cetearyl Isononanoate is non-volatile, stable, miscible with oils and a wide range of cosmetic ingredients.

FUNCTION OF CETEARYL ISONONANOATE:
*Emollients - soften and smooth the skin.

WHAT DOES CETEARYL ISONONANOATE DO IN A FORMULATION?
*EMOLLIENT
*HAIR CONDITIONING
*SKIN CONDITIONING

Cetearyl Isononanoate is considered safe for use in cosmetics and is not known to be comedogenic or to have any significant side effects.
Cetearyl Isononanoate is well tolerated by all skin types; however, a patch test should be performed in case of highly sensitive skin.
Lastly, Cetearyl Isononanoate is typically derived from vegetable sources, making it suitable for use in vegan and halal products.

WHO CAN USE CETEARYL ISONONANOATE:
Cetearyl Isononanoate works well for most skin types including dry, normal and combination because it delivers light moisture without a greasy residue.
Oily or acne-prone skin can generally tolerate Cetearyl Isononanoate, although anyone who knows they react poorly to richer esters may prefer to use it sparingly.

Sensitive skin users usually find Cetearyl Isononanoate gentle thanks to its low irritation profile.
Cetearyl Isononanoate is synthesized in a lab and contains no animal-derived components so it is suitable for both vegans and vegetarians.
Brands may still differ in their overall formulation ethics so label checking is advised for anyone following a strict cruelty-free lifestyle.

No data suggest that Cetearyl Isononanoate is harmful during pregnancy or while breastfeeding, but this is not medical advice.
Expectant or nursing mothers should discuss any new skincare product with their healthcare provider to be on the safe side.

ORIGIN OF CETEARYL ISONONANOATE:
Cetearyl Isononanoate is made by combining cetearyl alcohol, a fatty alcohol derived from natural sources such as coconut or palm oil, with isononanoic acid, a branched-chain carboxylic acid.
The two components are chemically reacted to form the ester, which is then purified and used as an ingredient in cosmetic formulations.

CETEARYL ISONONANOATE – WHAT IS IT?
Pelargonic Acid, also called nonanoic acid, is a fatty acid with nine carbons.
Isononanoic acid also has nine carbons but at least one single carbon branch.

Esters of Pelargonic Acid and isononanoic acid including Butylene Glycol Diisononanoate, Cetearyl Isononanoate, Cetearyl Nonanoate, Cetearyl Isononanoate, Diethylene Glycol Diethylhexanoate/Diisononanoate, Dipentaerythrityl Pentaisononanoate, Ethylhexyl Isononanoate, Isodecyl Isononanoate, Isononyl Isononanoate, Isostearyl Isononanoate, Isotridecyl Isononanoate, Neopentyl Glycol Diisononanoate, PEG-2 Diisononanoate, PEG-5 Isononanoate, Pentaerythrityl Tetraisononanoate, Polyglyceryl-20 Octaisononanoate, Propylene Glycol Diisononanoate, Tridecyl Isononanoate, Ethylhexyl Pelagonate, Ethyl Pelargonate, Isobutyl Pelargonate, Methyl Pelargonate and Pentaerythrityl Tetrapelargonate may also be used in cosmetic and personal care products.

Among the esters, Isononyl Isononanoate, Cetearyl Isononanoate and Ethylhexyl Isononanoate are most likely to be used in cosmetics and personal care products.

WHY IS IT USED?
The following functions have been reported for Pelargonic Acid and its esters.

Binder – Pentaerythrityl Tetrapelargonate.
Hair conditioning agent – Cetearyl Isononanoate, Diethylene Glycol Diethylhexanoate/Diisononanoate, Ethyl Pelargonate.
Plasticizer – Diethylene Glycol Diethylhexanoate/Diisononanoate.

Skin conditioning agent – emollient – Butylene Glycol Diisononanoate, Cetearyl Isononanoate, Cetearyl Nonanoate, Cetearyl Isononanoate, Diethylene Glycol Diethylhexanoate/Diisononanoate, Dipentaerythrityl Pentaisononanoate, Ethylhexyl Isononanoate, Isodecyl Isononanoate, Isononyl Isononanoate, Isostearyl Isononanoate, Isotridecyl Isononanoate, Neopentyl Glycol Diisononanoate, Tridecyl Isononanoate, Ethylhexyl Pelargonate, Ethyl Pelargonate, Isobutyl Pelargonate, Methyl Pelargonate.

Skin conditioning agent – occlusive – Butylene Glycol Diisononanoate, Pentaerythrityl Tetraisononanoate, Propylene Glycol Diisononanoate, Pentaerythrityl Tetrapelargonate.
Surfactant – cleansing agent – Pelargonic Acid, Polyglyceryl-20 Octaisononanoate.

Surfactant – emulsifying agent – Pelargonic Acid, PEG-2 Diisononanoate, PEG-5 Isononanoate, Polyglyceryl-20 Octaisononanoate.
Surfactant – solubilizing agent – Polyglyceryl-20 Octaisononanoate.

Viscosity increasing agent – nonaqueous – Butylene Glycol Diisononanoate, Dipentaerythrityl Pentaisononanoate, Pentaerythrityl Tetrisononanoate, Propylene Glycol Diisononanoate, Pentaerythrityl Tetrapelargonate.

SCIENTIFIC FACTS:
Pelargonic Acid is a fatty acid that is found in almost all species of animals and plants and it is found in low levels in many foods.
Because it contains nine carbon atoms, it is also called nonanoic acid.
Pelargonic Acid is also used as an herbicide to prevent growth of weeds both indoors and outdoors, and as a blossom thinner for apple and pear trees.

PHYSICAL and CHEMICAL PROPERTIES of CETEARYL ISONONANOATE:
Assay: 95.00 to 100.00
Food Chemicals Codex Listed: No
Soluble in: water, 1.49e-006 mg/L @ 25 °C (est)
Molecular Weight: 382.67190000
Assay:95.00 to 100.00
Food Chemicals Codex Listed:No
Boiling Point:419.63 °C. @ 760.00 mm Hg (est)
Flash Point:413.00 °F. TCC ( 211.50 °C. ) (est)
logP (o/w):11.683 (est)
Solubility: Insoluble in water.
Soluble in hot ethanol.
Appearance and colour: LIQUID , COLORLESS

Odour: N.A.
Odour threshold: N.A.
pH: N.A.
Melting point / freezing point: N.A.
Initial boiling point and boiling range: > 200°C
Solid/gas flammability: N.A.
Upper/lower flammability or explosive limits: N.A.
Vapour density: N.A.
Flash point: > 100°C ° C
Evaporation rate: N.A.
Vapour pressure: N.A.
Relative density: N.A.
Solubility in water: INSOLUBLE

Lipid solubility: N.A.
Partition coefficient (n-octanol/water): N.A.
Auto-ignition temperature: N.A.
Decomposition temperature: N.A.
Viscosity: N.A.
Explosive properties: N.A.
Oxidizing properties: N.A.
APPEARANCE: Clear, slightly yellowish, odorless oil/liquid
Molecular Weight: 382.7 g/mol
XLogP3-AA: 11.1

Hydrogen Bond Donor Count: 0
Hydrogen Bond Acceptor Count: 2
Rotatable Bond Count: 22
Exact Mass: 382.381080833 Da
Monoisotopic Mass: 382.381080833 Da
Topological Polar Surface Area: 26.3 Å²
Heavy Atom Count: 27
Formal Charge: 0

Complexity: 299
Isotope Atom Count: 0
Defined Atom Stereocenter Count: 0
Undefined Atom Stereocenter Count: 0
Defined Bond Stereocenter Count: 0
Undefined Bond Stereocenter Count: 0
Covalently-Bonded Unit Count: 1
Compound Is Canonicalized: Yes

Molecular Weight: 382.67190000
Assay:95.00 to 100.00
Food Chemicals Codex Listed:No
Boiling Point:419.63 °C. @ 760.00 mm Hg (est)
Flash Point:413.00 °F. TCC ( 211.50 °C. ) (est)
logP (o/w):11.683 (est)
Solubility: Insoluble in water.
Soluble in hot ethanol.
Appearance and colour: LIQUID , COLORLESS
Odour: N.A.
Odour threshold: N.A.

pH: N.A.
Melting point / freezing point: N.A.
Initial boiling point and boiling range: > 200°C
Solid/gas flammability: N.A.
Upper/lower flammability or explosive limits: N.A.
Vapour density: N.A.
Flash point: > 100°C ° C
Evaporation rate: N.A.
Vapour pressure: N.A.
Relative density: N.A.

Solubility in water: INSOLUBLE
Lipid solubility: N.A.
Partition coefficient (n-octanol/water): N.A.
Auto-ignition temperature: N.A.
Decomposition temperature: N.A.
Viscosity: N.A.
Explosive properties: N.A.
Oxidizing properties: N.A.
APPEARANCE: Clear, slightly yellowish, odorless oil/liquid
Molecular Weight: 382.7 g/mol
XLogP3-AA: 10.9
Hydrogen Bond Donor Count: 0

Hydrogen Bond Acceptor Count: 2
Rotatable Bond Count: 20
Exact Mass: 382.381080833 Da
Monoisotopic Mass: 382.381080833 Da
Topological Polar Surface Area: 26.3 Å²
Heavy Atom Count: 27
Formal Charge: 0
Complexity: 330
Isotope Atom Count: 0
Defined Atom Stereocenter Count: 0

Undefined Atom Stereocenter Count: 1
Defined Bond Stereocenter Count: 0
Undefined Bond Stereocenter Count: 0
Covalently-Bonded Unit Count: 1
Compound Is Canonicalized: Yes
XlogP3-AA: 11.10 (est)
Molecular Weight: 382.67190000
Formula: C25 H50 O2
Assay: 95.00 to 100.00

Food Chemicals Codex Listed: No
Boiling Point: 419.63 °C. @ 760.00 mm Hg (est)
Flash Point: 413.00 °F. TCC (211.50 °C.) (est)
logP (o/w): 11.683 (est)
Soluble in:
water, 1.289e-006 mg/L @ 25 °C (est)
LogP: 11.683 (est)
CAS DataBase Reference: 84878-33-1

EWG's Food Scores: 1
FDA UNII: Z371W2270H
Appearance: Clear, colorless or faintly yellow liquid
Density: ~0.85–0.86 (relative)
Viscosity: ~15–30 mPa•s
Water Solubility: Practically insoluble
Soluble/Miscible in: Ethanol, petroleum ether; miscible with oils & paraffins
Refractive Index: ~1.44–1.45
Log P (XlogP): Highly lipophilic (large hydrocarbon chains)
Oxidative Stability: Chemically stable; resistant to oxidation

FIRST AID MEASURES of CETEARYL ISONONANOATE:
-Description of First Aid Measures
*Eye Contact:
Obtain medical attention.
If substance has got into the eyes, immediately wash out with plenty of water for at least 10 minutes.
*Skin Contact:
Remove contaminated clothing and wash affected skin with plenty of water.
Wash contaminated clothing before reuse.
*Inhalation:
Apply artificial respiration if breathing has ceased or shows signs of failing.
Administer oxygen if necessary.
If symptoms develop, obtain medical attention.
*Ingestion:
Obtain medical attention.
Do not induce vomiting.
-Indication of the immediate medical attention and special treatment needed:
Increased difficultly breathing.

ACCIDENTAL RELEASE MEASURES of CETEARYL ISONONANOATE:
-Personal precautions, protective equipment and emergency procedures:
Wear personal protection equipment.
Remove persons to safety.
-Environmental precautions:
Do not allow to enter into soil/subsoil.
Do not allow to enter into surface water or drains.
Retain contaminated washing water and dispose it.
Suitable material for taking up: absorbing material, organic, sand
-Methods and material for containment and cleaning up:
Wash with plenty of water.

FIRE FIGHTING MEASURES of CETEARYL ISONONANOATE:
-Extinguishing media:
*Suitable extinguishing media:
Carbon dioxide (CO2)
Foam
Dry powder
*Unsuitable extinguishing media:
For this substance/mixture no limitations of extinguishing agents are given.
-Further information:
Prevent fire extinguishing water from contaminating surface water or the ground water system.

EXPOSURE CONTROLS/PERSONAL PROTECTION of CETEARYL ISONONANOATE:
-Control parameters:
--Ingredients with workplace control parameters:
-Exposure controls:
--Personal protective equipment:
*Eye/face protection:
Use equipment for eye protection.
Safety glasses
*Body Protection:
protective clothing
*Respiratory protection:
Recommended Filter type: Filter A
-Control of environmental exposure:
Do not let product enter drains.

HANDLING and STORAGE of CETEARYL ISONONANOATE:
-Precautions for safe handling:
Do not eat or drink while working.
-Conditions for safe storage, including any incompatibilities:
Keep away from food, drink and feed.
Instructions as regards storage premises:
Adequately ventilated premises.
-Specific end use(s): None in particular.

STABILITY and REACTIVITY of CETEARYL ISONONANOATE:
-Chemical stability:
The product is chemically stable under standard ambient conditions (room temperature).
-Possibility of hazardous reactions:
No data available