Amyl Acetate
AKA “Pentyl acetate, n-Amyl acetate, N-PENTYL ACETATE, Acetic acid, pentyl ester, Birnenoel, Amyl acetic ester, 1-Pentyl acetate”
Synthetic
Ingredient Facts
Amyl acetate
AKA: Pentyl acetate, N-Amyl acetate, N-PENTYL ACETATE, Acetic acid, Pentyl ester, Birnenoel, Amyl acetic ester, 1-Pentyl acetate
Synthetic · Penetration Enhancer · EWG: 2
Synthetic
Fragrance
Solvent
Synthetic
Clean
A lightweight solvent that helps blend and dissolve other ingredients evenly throughout the formula, ensuring consistent texture and performance.
Solubility 0.2 % (NIOSH, 2024)
Formula
C7H14O2
Mol. Weight
130.18
CAS #
628-63-7
Form
Liquid
State
N-amyl acetate appears as a mixture of isomers. A clear colorless liquid with a banana-like odor. Flash point varies from 65 °F to 95 °F. Less dense (at 7.2 lb / gal) than water and slightly soluble i
See origin →
Functions
Solvent
Dissolves other ingredients so they distribute evenly in the formula. Often the invisible "base" everything else is mixed into.
Fragrance
Added for scent. Can be natural or synthetic. Common irritant and allergen — one of the top reasons people react to products.
Viscosity Controlling
Penetration Enhancer
Dissolves other ingredients
Traditional Use
A naturally occurring ester found in fruits, synthesized industrially from the 19th century onward. Used in cosmetics as a fragrance component and solvent, replacing natural banana and pear extracts.
Skin Types
●all-skin-types, gentle
Best For
General
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Caution
Safety Assessment of Tetrasodium Glutamate Diacetate and Beta-Alanine Diacetic Acid as Used in Cosmetics.
Burnett CL, Bergfeld WF, Belsito DV, Cohen DE, Klaassen CD et al.
International journal of toxicology, 2025
Safety Assessment of Tetrasodium Glutamate Diacetate and Beta-Alanine Diacetic Acid as Used in Cosmetics.
Burnett CL, Bergfeld WF, Belsito DV, Cohen DE, Klaassen CD et al.
International journal of toxicology, 2025
Amyl Acetate and Isoamyl Acetate.
Cherian P, Bergfeld WF, Belsito DV, Cohen DE, Klaassen CD et al.
International journal of toxicology, 2023
Amyl Acetate and Isoamyl Acetate.
Cherian P, Bergfeld WF, Belsito DV, Cohen DE, Klaassen CD et al.
International journal of toxicology, 2023
Sodium Dehydroacetate and Dehydroacetic Acid.
Cherian P, Bergfeld WF, Belsito DV, Cohen DE, Klaassen CD et al.
International journal of toxicology, 2024
Sodium Dehydroacetate and Dehydroacetic Acid.
Cherian P, Bergfeld WF, Belsito DV, Cohen DE, Klaassen CD et al.
International journal of toxicology, 2024
Amyl Acetate and Isoamyl Acetate
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Cinnamal, Cinnamyl Acetate, Cinnamyl Alcohol, Amyl Cinnamal and Amylcinnamyl Alcohol (defer to RIFM review)
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Final Report on the Safety Assessment of Amyl Acetate and Isoamyl Acetate
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Final Report on the Safety Assessment of Sodium Dehydroacetate and Dehydroacetic Acid
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Safety Assessment of Tetrasodium Glutamate Diacetate and Beta-Alanine Diacetic Acid as Used in Cosmetics
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Sodium Dehydroacetate and Dehydroacetic Acid
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Acetic Acid
European Commission
EU Cosmetic Ingredient Database (CosIng)
Amyl Acetate
European Commission
EU Cosmetic Ingredient Database (CosIng)
Beta-Alanine Diacetic Acid
European Commission
EU Cosmetic Ingredient Database (CosIng)
Cinnamyl Acetate
European Commission
EU Cosmetic Ingredient Database (CosIng)
dehydroacetic acid
European Commission
EU Cosmetic Ingredient Database (CosIng)
Isoamyl Acetate
European Commission
EU Cosmetic Ingredient Database (CosIng)
Acetic acid and the skin: a review of vinegar in dermatology.
Elhage KG, St Claire K, Daveluy S
International journal of dermatology, 2022
Acetic acid and the skin: a review of vinegar in dermatology.
Elhage KG, St Claire K, Daveluy S
International journal of dermatology, 2022
Acetic Acid
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Amyl Acetate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Cinnamyl Acetate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
dehydroacetic acid
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Potential application of novel liquid crystal nanoparticles of isostearyl glyceryl ether for transdermal delivery of 4-biphenyl acetic acid.
Fujii MY, Asakawa Y, Fukami T
International journal of pharmaceutics, 2020
Preparation of (13)C-labeled ceramide by acetic acid bacteria and its incorporation in mice.
Fukami H, Tachimoto H, Kishi M, Kaga T, Waki H et al.
Journal of lipid research, 2010
Trichloroacetic acid
Health Canada
Health Canada Cosmetic Ingredient Hotlist
Verified Feb 2026
Data: PubChem · CosIng · EWG · CIR