Moderate Cosmetic Ingredient NOAEL Data

Methyl Benzoylformate

Also known as: EINECS 239-263-3, Phenylglyoxylic acid, methyl ester, UNII-23F2045STG, alpha-oxobenzeneacetic acid methyl ester

INCI: METHYL BENZOYLFORMATE

Methyl Benzoylformate (CAS 15206-55-0) is a cosmetic cosmetic ingredient functioning as UV absorber in cosmetics; primarily known as a photoinitiator in industrial. NOAEL 1000 mg/kg bw/day (cross-referenced against ToxValDB ECHA IUCLID); EU Regulation 1223/2009 status: prohibited. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in industrial chemical safety data.

View industrial chemical safety profile for CAS 15206-55-0 →

Auto-generated CPSR Part A draft with source citations
Function
UV absorber in cosmetics; primarily known as a photoinitiator in industrial UV-curing applications
Safety Rating
MODERATE

Chemistry & Identifiers

Formula
C9H8O3
MW
164.16 g/mol
EC Number
239-263-3
PubChem CID
84835
IUPAC Name
methyl 2-oxo-2-phenylacetate
InChIKey
YLHXLHGIAMFFBU-UHFFFAOYSA-N

Regulatory Status

EU EU Status prohibited
US US Status permitted
US Notes Allowed - no prohibition; not a listed OTC sunscreen active

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

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for Methyl Benzoylformate.

Calculate MoS for your specific formulation with the MoS Calculator.

Toxicological Studies

1 study endpoint found for Methyl Benzoylformate. 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 =1000 mg/kg bw/day oral Rat short-term ToxValDB_ECHA_IUCLID

Pre-Calculated Safety Assessment

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

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

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Catalyst Photosensitizers Softener and conditioner

Expert Verdict

Expert safety assessment and concern-level summary for Methyl Benzoylformate.

Regulatory Flags

potential-allergen

NOAEL Studies Summary

View details ->

Public NOAEL study rows linked to Methyl Benzoylformate by CAS number or substance name.

Studies
1
Lowest NOAEL
1000 mg/kg bw/day
Highest NOAEL
1000 mg/kg bw/day
ToxValDB_ECHA_IUCLID

Known Synonyms

EINECS 239-263-3 Phenylglyoxylic acid, methyl ester UNII-23F2045STG alpha-oxobenzeneacetic acid methyl ester

Chemical Function

Softener and conditioner Photosensitizers Catalyst

Australian Status

AICIS status: listed

Frequently Asked Questions

Is Methyl Benzoylformate safe in cosmetics?

Methyl Benzoylformate has a safety rating of "MODERATE" in our database. EU status: prohibited. US status: permitted. 1 toxicological study endpoint(s) are available in our database.

Is Methyl Benzoylformate allowed in the EU?

Methyl Benzoylformate EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.

What does Methyl Benzoylformate do in cosmetics?

Methyl Benzoylformate functions as: UV absorber in cosmetics; primarily known as a photoinitiator in industrial UV-curing applications. It is classified as a cosmetic ingredient in our database. CAS number: 15206-55-0.

What is the NOAEL for Methyl Benzoylformate?

The NOAEL (No Observed Adverse Effect Level) for Methyl Benzoylformate is =1000 mg/kg bw/day based on a short-term study via oral route in Rat. Source: ToxValDB_ECHA_IUCLID.

Is Methyl Benzoylformate used outside cosmetics?

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

Does Methyl Benzoylformate have different safety status in cosmetics vs industrial chemicals?

Methyl Benzoylformate is prohibited in EU cosmetics but has active industrial GHS classifications (H315, H317, H319, H335).

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