Moderate Cosmetic Ingredient NOAEL Data

Methacrylamide

Also known as: 2-Propenamide, 2-methyl-, 2-Methylprop-2-enamide, 2-propenamida, 2-metil, BRN 0605397, Caswell No. 549 (+8 more)

INCI: METHACRYLAMIDE

Methacrylamide (CAS 79-39-0) is a cosmetic cosmetic ingredient functioning as Not officially reported in CosIng; used primarily as a polymerization monomer. NOAEL 20 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 79-39-0 →

Auto-generated CPSR Part A draft with source citations
Function
Not officially reported in CosIng; used primarily as a polymerization monomer in copolymer synthesis for cosmetic film-formers and hair fixatives
Safety Rating
MODERATE

Chemistry & Identifiers

Formula
C4H7NO
MW
85.1 g/mol
EC Number
201-202-3
PubChem CID
6595
IUPAC Name
2-methylprop-2-enamide
InChIKey
FQPSGWSUVKBHSU-UHFFFAOYSA-N

Regulatory Status

EU EU Status permitted
US US Status permitted
US Notes Not prohibited or restricted. Permitted under general cosmetic ingredient provisions; no specific FDA monograph

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Toxicological Studies

10 study endpoints found for Methacrylamide. 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 =12.5 mg/kg bw/day oral Rat reproduction developmental ToxValDB_ECHA_IUCLID
NOAEL =30 mg/kg bw/day oral Rat short-term ToxValDB_ECHA_IUCLID
NOAEL =49 mg/kg bw/day oral Mouse developmental ToxValDB_ECHA_IUCLID
NOAEL =50 mg/kg bw/day oral Rat reproduction developmental ToxValDB_ECHA_IUCLID
NOAEL =60 mg/kg bw/day oral Mouse reproduction developmental ToxValDB_ECHA_IUCLID
NOAEL =69 mg/kg bw/day oral Mouse reproduction developmental ToxValDB_ECHA_IUCLID
NOAEL =71.3 mg/kg bw/day oral Mouse reproduction developmental ToxValDB_ECHA_IUCLID
NOAEL =90 mg/kg bw/day injection Mouse developmental ToxValDB_ECHA_IUCLID
NOAEL =100 mg/kg bw/day oral Rabbit reproduction developmental ToxValDB_ECHA_IUCLID
NOAEL =125 mg/kg bw/day oral Mouse short-term ToxValDB_ECHA_IUCLID

Pre-Calculated Safety Assessment

Pre-calculated NOAEL → SED → MoS audit trail for Methacrylamide 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
1,000 - 10,000 tonnes
Substance Type
SUBSTANCE
SVHC Candidate
No

Expanded Jurisdictional Detail

Additional regulatory detail beyond the 7-jurisdiction summary: Saudi SFDA, Korea MFDS, ASEAN ACD, Japan/Korea, Brazil/India, and cross-jurisdictional restriction entries.

Additional Jurisdictional Restrictions (1)
Jurisdiction Status Max % Product Type
KR prohibited - -

Function Categories & List Membership

Cosmetic/Chemical Function Categories
No specific technical function
Regulatory List Membership (1)
FDA Indirect Food Contact Additives

Expert Verdict

Expert safety assessment and concern-level summary for Methacrylamide.

NOAEL Studies Summary

View details ->

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

Studies
12
Lowest NOAEL
12.5 mg/kg bw/day
Highest NOAEL
225 mg/kg bw/day
ToxValDB_ECHA_IUCLID

Known Synonyms

2-Propenamide, 2-methyl- 2-Methylprop-2-enamide 2-propenamida, 2-metil BRN 0605397 Caswell No. 549 EINECS 201-202-3 EPA Pesticide Chemical Code 052901 Methacryamide Methylacrylic amide Mhoromer BM801 Amid kyseliny methakrylove UNII-K67NG89J77 alpha-Methyl acrylic amide

Chemical Function

No specific technical function

Regulatory Lists

Indirect additives food contact (10/2018)

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
CHEMBL158237
View full pharmaceutical profile →

Frequently Asked Questions

Is Methacrylamide safe in cosmetics?

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

Is Methacrylamide allowed in the EU?

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

What does Methacrylamide do in cosmetics?

Methacrylamide functions as: Not officially reported in CosIng; used primarily as a polymerization monomer in copolymer synthesis for cosmetic film-formers and hair fixatives. It is classified as a cosmetic ingredient in our database. CAS number: 79-39-0.

What is the NOAEL for Methacrylamide?

The NOAEL (No Observed Adverse Effect Level) for Methacrylamide is =12.5 mg/kg bw/day based on a reproduction developmental study via oral route in Rat. A total of 10 study endpoints are available. Source: ToxValDB_ECHA_IUCLID.

Is Methacrylamide used outside cosmetics?

Methacrylamide 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 Methacrylamide have different safety status in cosmetics vs industrial chemicals?

Methacrylamide is classified GHS CMR hazard (H302, H319, H335, H371, H373, H320, H361) in the chemicals database but is allowed in EU cosmetics.

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