Ethyl Propionate

Also known as: Propanoic acid, Ethyl ester, 4-02-00-00705, BRN 0506287, EINECS 203-291-4, FEMA No. 2456 (+7 more)

Ethyl Propionate (CAS 105-37-3) is a cosmetic cosmetic ingredient functioning as Flavouring and nutrient; Fragrance; Solvent. 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 pharmaceutical data.

View industrial chemical safety profile for CAS 105-37-3 →

Auto-generated CPSR Part A draft with source citations
Function
Flavouring and nutrient; Fragrance; Solvent
Safety Rating
MODERATE

Chemistry & Identifiers

Formula
C5H10O2
MW
102.13 g/mol
EC Number
203-291-4
PubChem CID
7749
IUPAC Name
ethyl propanoate
InChIKey
FKRCODPIKNYEAC-UHFFFAOYSA-N

Regulatory Status

EU EU Status permitted
US US Status permitted

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 Propionate.

Calculate MoS for your specific formulation with the MoS Calculator.

Pre-Calculated Safety Assessment

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

EU CLP Annex VI Harmonized Classification

Legally binding harmonized classification per Regulation (EC) No 1272/2008 (CLP) Annex VI.

Signal Word
Danger
Pictograms
Flammable
Hazard Class and Category
Flam. Liq. 2
Hazard Statements
  • H225 Highly flammable liquid and vapour

Inserted via ATP: CLP00

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 1350 - -

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
Hazard classification: Restricted (Annex XVII)

PubChem Annotations

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

Safety (1)
Skin Eye Respiratory Irritation
A skin and eye irritant.
Source: Hazardous Substances Data Bank (HSDB)
Regulatory (2)
JECFA Number
28
Source: Joint FAO/WHO Expert Committee on Food Additives (JECFA)
JECFA Evaluation
ETHYL PROPIONATE | 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: Joint FAO/WHO Expert Committee on Food Additives (JECFA)

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Flavouring and nutrient Fragrance Solvent
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 Ethyl Propionate.

Regulatory Flags

fragrance-component ifra_fragrance fda_food_additive jecfa_safe

Known Synonyms

Propanoic acid, Ethyl ester 4-02-00-00705 BRN 0506287 EINECS 203-291-4 FEMA No. 2456 Ethylester kyseliny propionove UNII-AT9K8FY49U Ethyl ester of propanoic acid Ethyl n-propionate Ethylpropionate FEMA 2456 propionic 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

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
ETHYL PROPIONATE
ChEMBL ID
CHEMBL44115
View full pharmaceutical profile →

Frequently Asked Questions

Is Ethyl Propionate safe in cosmetics?

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

Is Ethyl Propionate allowed in the EU?

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

What does Ethyl Propionate do in cosmetics?

Ethyl Propionate functions as: Flavouring and nutrient; Fragrance; Solvent. It is classified as a cosmetic ingredient in our database. CAS number: 105-37-3.

Is Ethyl Propionate used outside cosmetics?

Ethyl Propionate 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 Ethyl Propionate have different safety status in cosmetics vs industrial chemicals?

Ethyl Propionate is classified GHS Danger (H225, H315, H335) in the chemicals database but is allowed in EU cosmetics.

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