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Amyl Acetate
AKA “Pentyl acetate, 628-63-7, n-Amyl acetate, N-PENTYL ACETATE, Acetic acid, pentyl ester, Birnenoel, Amyl acetic ester, 1-Pentyl acetate, n-Pentyl ethanoate”
Ingredient
Ingredient Facts
Amyl acetate
AKA: Pentyl acetate, 628-63-7, N-Amyl acetate, N-PENTYL ACETATE, Acetic acid, Pentyl ester, Birnenoel, Amyl acetic ester, 1-Pentyl acetate, N-Pentyl ethanoate
Ingredient · Solvent · EWG: 2
Synthetic
Solvent
Clean
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 in water. Hence floats on water. Vapors heavier than air.
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.
Provides scent
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
Pregnancy & Breastfeeding Safe
Caution
EWG
2
CIR
Safe as used
Pregnancy
Caution
CIR Safety Findings
ewg-2
medical-approval
pregnancy-nursing-safe
all-shades-safe
Mild Irritant
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
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
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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
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Amyl Acetate and Isoamyl Acetate.
Cherian P, Bergfeld WF, Belsito DV, Cohen DE, Klaassen CD et al.
International journal of toxicology, 2023
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Amyl Acetate and Isoamyl Acetate.
Cherian P, Bergfeld WF, Belsito DV, Cohen DE, Klaassen CD et al.
International journal of toxicology, 2023
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Sodium Dehydroacetate and Dehydroacetic Acid.
Cherian P, Bergfeld WF, Belsito DV, Cohen DE, Klaassen CD et al.
International journal of toxicology, 2024
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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
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Cinnamal, Cinnamyl Acetate, Cinnamyl Alcohol, Amyl Cinnamal and Amylcinnamyl Alcohol (defer to RIFM review)
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
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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)
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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
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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
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Amyl Acetate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
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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
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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
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Trichloroacetic acid
Health Canada
Health Canada Cosmetic Ingredient Hotlist
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Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR