Excellent Cosmetic Ingredient NOAEL Data GHS Classified Sensitization Data

Benzyl Acetate

Also known as: Acetic acid, phenylmethyl ester, Caswell No. 081EA, EINECS 205-399-7, FEMA No. 2135, NCI-C06508 (+11 more)

INCI: BENZYL ACETATE

Benzyl Acetate (CAS 140-11-4) is a cosmetic cosmetic ingredient functioning as Perfuming, Masking, Solvent. NOAEL 480 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 pharmaceutical data.

View industrial chemical safety profile for CAS 140-11-4 →

Auto-generated CPSR Part A draft with source citations
Function
Perfuming, Masking, Solvent
Safety Rating
EXCELLENT

Chemistry & Identifiers

Formula
C9H10O2
MW
150.17 g/mol
EC Number
205-399-7
PubChem CID
8785
IUPAC Name
benzyl acetate
InChIKey
QUKGYYKBILRGFE-UHFFFAOYSA-N

Regulatory Status

EU EU Status permitted
US US Status permitted
US Notes FDA-approved GRAS for flavor use (21 CFR 172.515); FEMA #2135; no specific cosmetic restrictions

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

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for Benzyl Acetate.

Calculate MoS for your specific formulation with the MoS Calculator.

Toxicological Studies

10 study endpoints found for Benzyl Acetate. NOAEL (No Observed Adverse Effect Level) values are used to calculate the Margin of Safety per SCCS methodology.

Endpoint Value Route Species Study Type Source
NOAEL =175 mg/kg bw/day - Rat; Mouse; Rabbit; Hamster Toxicology study INCHEM_WHO_jecfa_jecmono_v37je05
NOAEL =175 mg/kg bw/day - Rat; Mouse; Rabbit; Hamster Toxicology study INCHEM_WHO_jecfa_jecmono_v37je05
NOAEL =315 mg/kg bw/day - - Toxicology study INCHEM_WHO_jecfa_jecmono_v37je05
NOAEL =315 mg/kg bw/day - - Toxicology study INCHEM_WHO_jecfa_jecmono_v37je05
NOAEL =500 mg/kg bw/day - - Toxicology study INCHEM_WHO_jecfa_jecmono_v37je05
NOAEL =500 mg/kg bw/day - - Toxicology study INCHEM_WHO_jecfa_jecmono_v37je05
NOAEL =550 mg/kg bw/day - - Toxicology study INCHEM_WHO_jecfa_jecmono_v37je05
NOAEL =550 mg/kg bw/day - - Toxicology study INCHEM_WHO_jecfa_jecmono_v37je05
NOAEL =1310 mg/kg bw/day - - Toxicology study INCHEM_WHO_jecfa_jecmono_v37je05
NOAEL =1310 mg/kg bw/day - - Toxicology study INCHEM_WHO_jecfa_jecmono_v37je05

GHS Hazard Classification

Globally Harmonized System classification per ECHA C&L inventory and ILO/WHO International Chemical Safety Cards.

Short-term Exposure Effects
The vapour is irritating to the eyes and respiratory tract. The substance may cause effects on the central nervous system. Exposure far above the OEL could cause unconsciousness.
Long-term Exposure Effects
The substance defats the skin, which may cause dryness or cracking. The substance may have effects on the kidneys.
Routes of Exposure
The substance can be absorbed into the body by inhalation and by ingestion.

Pre-Calculated Safety Assessment

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

Sensitization Profile

Contact sensitization data for Benzyl Acetate based on clinical patch test studies and IFRA standards.

Sensitization Rate
low
Allergen Class
fragrance
EU Allergen Listed
yes
Patch Test Positive Rate
0.2%
Cross-reactivity Group
none
Reaction Type
contact-dermatitis
IFRA Restricted

Source: EU 2023/1545; SCCS

EPA ToxValDB — Toxicity Values

10 toxicity values from EPA ToxValDB (aggregated from CCTE, HPV, ToxRefDB, IRIS, and other regulatory dossiers).

Endpoint Value Species Route Duration Source
LOAEL =936 mg/kg-day Rat oral chronic ECHA IUCLID
LOAEL =4800 mg/kg-day Rat oral subchronic ECHA IUCLID
NOAEL =100 mg/kg-day Rat oral - ECHA IUCLID
NOAEL =1870 mg/kg-day Rat oral - ECHA IUCLID
NOAEL =1750 mg/kg-day Rat oral - ECHA IUCLID
NOAEL =1000 mg/kg-day Mouse oral short-term ECHA IUCLID
NOAEL =1000 mg/kg-day Rat oral short-term ECHA IUCLID
LD50 >5000 mg/kg Rabbit dermal - ECHA IUCLID
NOEL =1600 mg/kg-day Mouse oral short-term ECOTOX
LEL =40 mg/kg-day Mouse oral chronic ToxRefDB

IARC Carcinogenicity

International Agency for Research on Cancer (WHO) monograph evaluation.

IARC Group
3
Volume
40, Sup 7, 71
Evaluation Year
1998

Sensitization AOP Dashboard

Adverse Outcome Pathway data across 5 assays (DPRA, KeratinoSens, hCLAT, LLNA, NESIL) aggregated from public sources.

NESIL
1860 µg/cm²
GHS: 1B Human: positive

Source: HPPT: [103] Greif N (1967): Cutaneous safety of fragrance material as measured by the maximization test.

HRIPT Human Patch Test Studies

5 human repeat insult patch tests aggregated from dermatological literature.

Test Type N Sensitized Dose µg/cm² NESIL µg/cm² Potency
HMT - 0 4965.52 - -
HRIPT - 0 2092.5 - -
HRIPT - 0 5231.26 - -
HRIPT - 0 5580.01 - -
HRIPT - 0 8503.94 - -

ECHA REACH Registration

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

Registration Type
Full
Tonnage Band
10,000 - 100,000 tonnes
Substance Type
SUBSTANCE
SVHC Candidate
No

Additional Ingredient Properties

1 property record from structured ingredient metadata.

allergen_detail
{"eu_allergen_listed": "yes", "allergen_class": "fragrance", "patch_test_frequency_pct": "0.2", "sensitization_rate": "low", "common_reaction_type": "contact-dermatitis", "ifra_restricted": "yes", "source": "EU 2023/1545; SCCS"}

PubChem Annotations

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

Safety (8)
Carcinogen Classification
3, not classifiable as to its carcinogenicity to humans. (L135)
Source: Toxin and Toxin Target Database (T3DB)
Carcinogen Classification
Benzyl acetate | Group 3: Not classifiable as to its carcinogenicity to humans | Volume 40: (1986) Some Naturally Occurring and Synthetic Food Components, Furocoumarins and Ultraviolet Radiation | Volume Sup 7: Overall Evaluations of Carcinogenicity: An Updating of IARC Monographs Volumes 1 to 42, 1987; 440 pages; ISBN 92-832-1411-0 (out of print) | Volume 71: (1999) Re-evaluation of Some Organic
Source: International Agency for Research on Cancer (IARC)
Carcinogen Classification
Benzyl Acetate | TR-431: Toxicology and Carcinogenesis Studies of Benzyl Acetate (CASRN 140-11-4) in F344/N Rats and B6C3F1 Mice (Feed Studies) (1993 ) | 12/01/92 | No Evidence | No Evidence | No Evidence | No Evidence | Under the conditions of these 2-year feed studies, there was no evidence of carcinogenic activity of benzyl acetate in male or female F344/N rats receiving 3,000, 6,000,
Source: NTP Technical Reports
Carcinogen Classification
Benzyl acetate | TR-250: Toxicology and Carcinogenesis Studies of Benzyl Acetate (CASRN 140-11-4) in F344/N Rats and B6C3F1 Mice (Gavage Studies) (1986 ) | 11/02/84 | Equivocal Evidence | No Evidence | Some Evidence | Some Evidence | Under the conditions of these gavage studies, benzyl acetate increased the incidence of acinar-cell adenomas of the exocrine pancreas in male F344/N rats; th
Source: NTP Technical Reports
Evidence for Carcinogenicity
Evaluation: No epidemiological data relevant to the carcinogenicity of benzyl acetate were available. There is limited evidence in experimental animals for the carcinogenicity of benzyl acetate. Overall evaluation: Benzyl acetate is not classifiable as to its carcinogenicity in humans (Group 3). | A4; Not Classifiable as a Human Carcinogen.
Source: Hazardous Substances Data Bank (HSDB)
Regulatory (2)
JECFA Number
23
Source: Joint FAO/WHO Expert Committee on Food Additives (JECFA)
JECFA Evaluation
ACETIC ACID PHENYLMETHYL ESTER | 2001 | 0-5 mg/kg bw (1996) | No safety concern at current levels of intake when used as a flavouring agent. The 1996 group ADI of 0-5 mg/kg bw for benzoic acid, the benzoate salts (calcium, potassium and sodium), benzaldehyde, benzyl acetate, benzyl alcohol and benzyl benzoate, expressed as benzoic acid equivalents, was maintained at the fifty-seventh meeting (2001
Source: Joint FAO/WHO Expert Committee on Food Additives (JECFA)

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Deodorizer Flavouring and nutrient Fragrance Processing aids not otherwise specified
Regulatory List Membership (3)
IFRA Fragrance Transparency List FDA Substances Added to Food (EAFUS) Consumer Product Chemical

Expert Verdict

Expert safety assessment and concern-level summary for Benzyl Acetate.

Regulatory Flags

ifra_fragrance fda_food_additive

NOAEL Studies Summary

View details ->

Public NOAEL study rows linked to Benzyl Acetate by CAS number or substance name.

Studies
17
Lowest NOAEL
100 mg/kg bw/day
Highest NOAEL
1870 mg/kg bw/day
ToxValDB_ECHA_IUCLID INCHEM_WHO_jecfa_jecmono_v37je05

Known Synonyms

Acetic acid, phenylmethyl ester Caswell No. 081EA EINECS 205-399-7 FEMA No. 2135 NCI-C06508 UNII-0ECG3V79ZJ Acetic acid benzyl ester Acetic acid phenylmethyl ester Benzyl acetate + glycine combination Benzyl ester of acetic acid Benzylester kyseliny octove FEMA 2135 Nchem.167-comp5 Phenylmethyl ethanoate Plastolin I alpha-Acetoxytoluene

Chemical Function

Fragrance

Regulatory Lists

air; detected; emissions; Europe; Vehicle - car interior - auto air freshener detected; Europe; Vehicle - car interior detected; Europe; Personal care - sexual wellness detected; Europe; Personal care - sexual wellness air; detected; emissions; Europe; Vehicle - car interior - auto air freshener air; Cleaning products and household care - air freshener; detected; emissions; Europe pharmaceutical inert_ingredient; non_food_use; Pesticides air; consumer_product; detected; emissions air; Cleaning products and household care - laundry and fabric treatment; detected; emissions air; detected; emissions; Personal care air; Cleaning products and household care - air freshener; detected; emissions detected; Europe; Other direct contact consumer goods detected; Europe; Other direct contact consumer goods detected; Europe; Personal care - sexual wellness Europe; Personal care - sexual wellness detected; Europe; Personal care - liniment Europe; Personal care - liniment

Australian Status

AICIS status: listed

Cross-Vertical Safety Context

Same-CAS public records found in pharmaceutical data.

SOURCE ChEMBL / DrugCentral / FAERS DB_PHARMA CAS match

Pharmaceutical Data

Same-CAS rows from the pharmaceutical spoke database.

Compound
E1501
ChEMBL ID
CHEMBL1233714
View full pharmaceutical profile →

Frequently Asked Questions

Is Benzyl Acetate safe in cosmetics?

Benzyl Acetate has a safety rating of "EXCELLENT" in our database. EU status: permitted. US status: permitted. 10 toxicological study endpoint(s) are available in our database.

Is Benzyl Acetate allowed in the EU?

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

What does Benzyl Acetate do in cosmetics?

Benzyl Acetate functions as: Perfuming, Masking, Solvent. It is classified as a cosmetic ingredient in our database. CAS number: 140-11-4.

What is the NOAEL for Benzyl Acetate?

The NOAEL (No Observed Adverse Effect Level) for Benzyl Acetate is =175 mg/kg bw/day based on a Toxicology study study via oral route in Rat; Mouse; Rabbit; Hamster. A total of 10 study endpoints are available. Source: INCHEM_WHO_jecfa_jecmono_v37je05.

Is Benzyl Acetate used outside cosmetics?

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

Does Benzyl Acetate have different safety status in cosmetics vs industrial chemicals?

Benzyl Acetate is classified GHS Danger (H412, H227, H315, H319, H336, H370, H372, H373) in the chemicals database but is allowed in EU cosmetics.

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