Ethyl Hexanoate

Also known as: Acetic acid, butyl-, ethyl ester, BRN 1701293, EINECS 204-640-3, FEMA No. 2439, UNII-FLO6YR1SHT (+13 more)

INCI: ETHYL HEXANOATE

Ethyl Hexanoate (CAS 123-66-0) is a cosmetic cosmetic ingredient functioning as Fragrance. NOAEL 1000 mg/kg bw/day (cross-referenced against ToxValDB ECHA IUCLID); EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in industrial chemical safety and food safety data.

View industrial chemical safety profile for CAS 123-66-0 →

Auto-generated CPSR Part A draft with source citations
Function
Fragrance
Safety Rating
GOOD

Chemistry & Identifiers

Formula
C8H16O2
MW
144.21 g/mol
EC Number
204-640-3
PubChem CID
31265
IUPAC Name
ethyl hexanoate
InChIKey
SHZIWNPUGXLXDT-UHFFFAOYSA-N

Regulatory Status

EU EU Status permitted
US US Status permitted
US Notes Permitted — not restricted under 21 CFR; GRAS flavor substance

For full compliance data across multiple jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for Ethyl Hexanoate.

Calculate MoS for your specific formulation with the MoS Calculator.

Pre-Calculated Safety Assessment

Pre-calculated NOAEL → SED → MoS audit trail for Ethyl Hexanoate across SCCS product categories, with measured dermal absorption where available.

HRIPT Human Patch Test Studies

1 human repeat insult patch test aggregated from dermatological literature.

Test Type N Sensitized Dose µg/cm² NESIL µg/cm² Potency
HMT - 0 2700 - -

ECHA REACH Registration

European Chemicals Agency REACH dossier and Substances of Very High Concern listing.

Registration Type
Full
Tonnage Band
100 - 1,000 tonnes
Substance Type
SUBSTANCE
SVHC Candidate
No

PubChem Annotations

Safety and regulatory annotations from PubChem (NCBI) aggregated sources.

Regulatory (3)
JECFA Number
31
Source: WHO/JECFA
JECFA Evaluation
ETHYL CAPROATE | 1996 | No safety concern at current levels of intake when used as a flavouring agent | TRS 868-JECFA 46/21 | See TRS 868-JECFA 46/64
Source: WHO/JECFA
JECFA Evaluation
ETHYL HEXANOATE | 1996 | No safety concern at current levels of intake when used as a flavouring agent | TRS 868-JECFA 46/21 | See TRS 868-JECFA 46/64
Source: WHO/JECFA

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Flavouring and nutrient Fragrance Solvent
Regulatory List Membership (4)
IFRA Fragrance Transparency List EPA Safer Chemical Ingredients List (SCIL) FDA Substances Added to Food (EAFUS) Consumer Product Chemical

Expert Verdict

Expert safety assessment and concern-level summary for Ethyl Hexanoate.

Regulatory Flags

fragrance-component epa_safer_alternative ifra_fragrance fda_food_additive jecfa_safe

Known Synonyms

Acetic acid, butyl-, ethyl ester BRN 1701293 EINECS 204-640-3 FEMA No. 2439 UNII-FLO6YR1SHT Caproic acid ethylester Capronic ether absolute Ethyl N-hexanoate Ethyl butyl acetate Ethyl butyl acetate (dot) Ethyl ester of hexanoic acid Ethyl hexanoate (caproate) Ethyl hexoate Ethyl n-hexanoat FEMA 2439 Hexanoic acid, ethyl ester, mixt. with soybean oil epoxide hexanoic acid ethyl ester n-Caproic acid ethyl ester

Chemical Function

Fragrance Solvent Flavouring and nutrient

Regulatory Lists

inert_ingredient; non_food_use; Pesticides Australia; Food and drug - smoking-related products IFRA Transparency Europe food_additive; Substances Added to Food (formerly EAFUS) (2/2019) consumer_product active_ingredient; Europe; Pesticides pharmaceutical air; Cleaning products and household care - air freshener; detected; emissions; Europe air; detected; emissions; Personal care SCIL (9/2019) air; detected; emissions; Europe; Toys and children's products air; detected; emissions; Europe; Toys and children's products

Australian Status

AICIS status: listed

Cross-Vertical Safety Context

Same-CAS public records found in food safety data.

SOURCE EFSA / FDA GRAS food_additives

Food Safety Data

Same-CAS food additive or FDA GRAS records from the core public database.

Food Name
ETHYL HEXANOATE
ADI
No safety concern at current levels of intake when used as a flavouring agent mg/kg bw
Food Category
flavoring
View full food safety profile →

Frequently Asked Questions

Is Ethyl Hexanoate safe in cosmetics?

Ethyl Hexanoate has a safety rating of "GOOD" in our database. EU status: permitted. US status: permitted.

Is Ethyl Hexanoate allowed in the EU?

Ethyl Hexanoate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Ethyl Hexanoate do in cosmetics?

Ethyl Hexanoate functions as: Fragrance. It is classified as a cosmetic ingredient in our database. CAS number: 123-66-0.

Is Ethyl Hexanoate used outside cosmetics?

Ethyl Hexanoate also appears in industrial chemical safety and food safety data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.

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Excellent Same category
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Excellent Same category
Skin conditioning, fragrance
(AGARICUS BLAZEI FERMENT + GANODERMA LUCIDUM FERMENT + GANODERMA MULTIPILEUM FERMENT) EXTRACT
Good Similar safety
Anti-sebum, Antioxidant, Skin Protecting
(ANGELICA ACUTILOBA/PAEONIA LACTIFLORA/REHMANNIA GLUTINOSA) ROOT/CNIDIUM OFFICINALE RHIZOME EXTRACT
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(ANGELICA GIGAS/GLYCYRRHIZA URALENSIS/REHMANNIA GLUTINOSA ROOT)/ANGELICA GIGAS STEM/CARTHAMUS TINCTORIUS FLOWER/(CARTHAMUS TINCTORIUS/PRUNUS PERSICA SEED)PORIA COCOS WATER
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Anti-seborrheic, Anti-sebum, Antioxid...
(APPLE/CITRUS JUNOS/LENTIL/PEAR/PUMPKIN/STRAWBERRY/TOMATO FRUIT)/CORN KERNEL/(ARCTIUM LAPPA/BRASSICA OLERACEA ACEPHALA/CABBAGE/CAMELLIA SINENSIS/MORINGA OLEIFERA/RADISH/SPINACH LEAF)/(SORGHUM BICOLOR LEAF/STEM)/OAT MEAL/POTATO PULP/(CARROT/NELUMBO NUCIFERA/RADISH/WILD YAM ROOT)/(AMARANTHUS HYPOCHONDRIACUS/CASHEW/CICER ARIETINUM/COIX LACRYMA-JOBI MA-YUEN /MACADAMIA TERNIFOLIA/PHASEOLUS ANGULARIS/PISTACIA VERA/RHYNCHOSIA NULUBILIS/RICE/SESAME/SETARIA ITALICA/SOYBEAN/SWEET ALMOND/WHEAT SEED)/HORDEUM VULGARE SPROUT/CYPERUS ESCULENTUS TUBER/ARTEMISIA PRINCEPS/BROCCOLI/CHENOPODIUM QUINOA/ENTEROMORPHA COMPRESSA/HORDEUM VULGARE/IPOMOEA BATATAS/LAMINARIA JAPONICA/LENTINUS EDODES/PLEUROTUS OSTREATUS/PORPHYRA TENERA/UNDARIA PINNATIFIDA EXTRACT
Good Similar safety
Antioxidant
2,5-DIMETHYLPYRAZINE
Good Chemical family
Perfuming
2-Ethylhexylal
Good Chemical family
Solvent
2-Octanol
Good Chemical family
Fragrance ingredient, solvent

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