Ethyl Butyrate

INCI: ETHYL BUTYRATE

Ethyl Butyrate (CAS 105-54-4) is a cosmetic cosmetic ingredient functioning as Perfuming, Masking. NOAEL 500 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 pharmaceutical data.

View industrial chemical safety profile for CAS 105-54-4 →

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

Chemistry & Identifiers

Formula
C6H12O2
MW
116.16 g/mol
EC Number
203-306-4
PubChem CID
7762
IUPAC Name
ethyl butanoate
InChIKey
OBNCKNCVKJNDBV-UHFFFAOYSA-N

Regulatory Status

EU EU Status permitted
US US Status permitted
US Notes FEMA GRAS #2427 (21 CFR 182.60); no FDA 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 Ethyl Butyrate.

Calculate MoS for your specific formulation with the MoS Calculator.

Pre-Calculated Safety Assessment

Pre-calculated NOAEL → SED → MoS audit trail for Ethyl Butyrate 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 3240 - -

ECHA REACH Registration

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

Registration Type
Full
Tonnage Band
1,000 - 10,000 tonnes
Substance Type
SUBSTANCE
SVHC Candidate
No

PubChem Annotations

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

Safety (1)
Skin Eye Respiratory Irritation
Vapor: Irritating to eyes, nose and throat. Liquid: Irritating to skin and eyes.
Source: Hazardous Substances Data Bank (HSDB)
Regulatory (2)
JECFA Number
29
Source: Joint FAO/WHO Expert Committee on Food Additives (JECFA)
JECFA Evaluation
BUTANOIC ACID ETHYL ESTER | 1996 | 0-15 mg/kg bw (1967) | No safety concern at current levels of intake when used as a flavouring agent. The 1967 ADI of 0-15 mg/kg bw was maintained at the forty-sixth meeting (1996). | TRS 868-JECFA 46/21 | See TRS 868-JECFA 46/64
Source: Joint FAO/WHO Expert Committee on Food Additives (JECFA)

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Flavouring and nutrient Fragrance Plasticizer 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 Butyrate.

Regulatory Flags

epa_safer_alternative ifra_fragrance fda_food_additive

NOAEL Studies Summary

View details ->

Public NOAEL study rows linked to Ethyl Butyrate by CAS number or substance name.

Studies
6
Lowest NOAEL
500 mg/kg bw/day
Highest NOAEL
1000 mg/kg bw/day
ECHA_REACH_reach_study_results_dossiers_23-05-2023.zip

Chemical Function

Fragrance Solvent Flavouring and nutrient Plasticizer

Regulatory Lists

detected; Europe; Vehicle - car interior air; detected; emissions; Europe; Vehicle - car interior air; consumer_product; detected; emissions air; detected; emissions; Personal care air; Cleaning products and household care - air freshener; detected; emissions 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) SCIL (9/2019) consumer_product air; detected; emissions; Europe; Vehicle - car interior

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.

ChEMBL ID
CHEMBL44800
View full pharmaceutical profile →

Frequently Asked Questions

Is Ethyl Butyrate safe in cosmetics?

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

Is Ethyl Butyrate allowed in the EU?

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

What does Ethyl Butyrate do in cosmetics?

Ethyl Butyrate functions as: Perfuming, Masking. It is classified as a cosmetic ingredient in our database. CAS number: 105-54-4.

Is Ethyl Butyrate used outside cosmetics?

Ethyl Butyrate also appears in pharmaceutical data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.

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