Ingredient Dictionary

CETYL ACETATE

How much products actually contain

No product states its amount yet.

Of the products containing it, 5 list it before the 1% line and 5 after it (usually 1% or less).

Products using this ingredient

10 of 10 confirmed · likeliest to carry enough first

Definition

Palmityl acetate is an acetate ester derived from hexadecan-1-ol (palmityl alcohol); used as an emollient, masking agent and skin conditioner; pheromone constituent present in various species of mouse, arachnid and insect. It has a role as a pheromone, an epitope and a cosmetic. It is functionally related to a hexadecan-1-ol.

Source: PubChem

US FDA substance register · UNII 4Q43814HXS · registered name CETYL ACETATE · single chemical substance

Source: US FDA Unique Ingredient Identifier (UNII)

Cosmetic roles

Listed as a fragrance-composition material (not a claim that it adds scent)FRAGRANCEMakes skin soft and smoothSKIN CONDITIONING - EMOLLIENTKeeps skin in good condition (CosIng catch-all)SKIN CONDITIONING

Safety & regulatory references

Not classified under Korea’s toxic-substance GHS list · existing chemical substance

Source: Korea toxic substances GHS register (NIER)

Other restriction: ban substances that deplete the ozone layer

Source: EU CosIng ingredient list

Reviewed by CIR: Final Report of the Cosmetic Ingredient Reveiw Expert Panel on the Safety Assessment of Methyl Acetate

Source: US Cosmetic Ingredient Review (CIR)

More data — names, identifiers, properties, test records, literature

Official labels & definitions

JCIA labelling name 酢酸セチル: 本品は、酢酸（＊）とセタノール（＊）のエステルであり、次の化学式で表される。

Source: JCIA labelling names (Japan)

Names & identifiers

CETYL ACETATEINCI세틸아세테이트Korean label name (MFDS standard)1-Hexadecanol, acetateSynonym酢酸セチルJapanese labelling name

CAS No.chemical registry number: 629-70-9
EC No.EU chemical inventory number: 211-103-7
DTXSIDUS EPA chemical ID: DTXSID2052312
DTXCIDUS EPA compound ID: DTXCID9030884

IUPAC: Hexadecyl acetate
Molecular formula: C18H36O2
Molecular weight: 284.484 g/mol

Measured properties

Appearance: Liquid, [Aldrich MSDS] · solid
Colour: White
Melting/freezing point: -18.5 ℃
Initial boiling point and range: 324 ℃
Flash point: 152 ℃
n-Octanol/water partition coefficient (Kow): 7.740
Molecular weight: 284.54

Values measured on the substance itself. The KOSHA data are a reference for writing and reviewing safety data sheets, not a specification for a commercial raw material.

Source: PubChem · KOSHA safety data sheets (Korea)

What products actually use it for

What the 15 products reported to the US EPA with this ingredient use it for. Products outside cosmetics are included, so the top few rows are its main uses.

Softener and conditioner10
Deodorizer2
Fragrance2
Flavouring and nutrient1

Source: US EPA CompTox dashboard

Irritation and sensitisation studies

2 skin studies and 2 eye studies are on record.

Classed as low1

The study conclusions largely agree (100%). These tests are on the raw material itself; irritation at the amount in a finished product is a different question.

See all 4 studies

Studies Indicate No Significant Irritation
skin irritation: in vivo · Screening · OECD Guideline 404 (Acute Dermal Irritation / Corrosion) equivalent or similar to
Category 6.3B (Category 3)
Skin Irritation · Read Across
Studies Indicate No Significant Irritation
eye irritation: in vivo · Screening · OECD Guideline 405 (Acute Eye Irritation / Corrosion) equivalent or similar to
Category 6.4A (Category 2A)
Eye Irritation · Read Across