Methacryloyloxyethyltrimonium Chloride

Also known as: Ethanaminium, N,N,N-trimethyl-2-[(2-methyl-1-oxo-2-propenyl)oxy]-, chloride, EINECS 225-733-5, UNII-PP88R88K3O

INCI: USED AS A MONOMER COMPONENT; APPEARS IN COPOLYMER INCI NAMES (E.G., ACRYLAMIDE/METHACRYLOYLOXYETHYLTRIMONIUM CHLORIDE COPOLYMER, CAS 35429-19-7)

Methacryloyloxyethyltrimonium Chloride (CAS 5039-78-1) is a cosmetic cosmetic ingredient functioning as Cationic monomer for synthesis of conditioning/antistatic polymers; quaternary. 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 5039-78-1 →

Auto-generated CPSR Part A draft with source citations
Function
Cationic monomer for synthesis of conditioning/antistatic polymers; quaternary ammonium functionality provides positive charge for hair substantivity
Safety Rating
MODERATE

Chemistry & Identifiers

Formula
C9H18ClNO2
MW
207.7 g/mol
EC Number
225-733-5
PubChem CID
78738
IUPAC Name
trimethyl-[2-(2-methylprop-2-enoyloxy)ethyl]azanium chloride
InChIKey
RRHXZLALVWBDKH-UHFFFAOYSA-M

Regulatory Status

EU EU Status permitted
US US Status permitted
US Notes Allowed - not specifically restricted; copolymers containing this monomer have been reviewed

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

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

Expert Verdict

Expert safety assessment and concern-level summary for Methacryloyloxyethyltrimonium Chloride.

Known Synonyms

Ethanaminium, N,N,N-trimethyl-2-[(2-methyl-1-oxo-2-propenyl)oxy]-, chloride EINECS 225-733-5 UNII-PP88R88K3O

Chemical Function

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
CHEMBL3187310
View full pharmaceutical profile →

Frequently Asked Questions

Is Methacryloyloxyethyltrimonium Chloride safe in cosmetics?

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

Is Methacryloyloxyethyltrimonium Chloride allowed in the EU?

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

What does Methacryloyloxyethyltrimonium Chloride do in cosmetics?

Methacryloyloxyethyltrimonium Chloride functions as: Cationic monomer for synthesis of conditioning/antistatic polymers; quaternary ammonium functionality provides positive charge for hair substantivity. It is classified as a cosmetic ingredient in our database. CAS number: 5039-78-1.

Is Methacryloyloxyethyltrimonium Chloride used outside cosmetics?

Methacryloyloxyethyltrimonium Chloride 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.

Is Methacryloyloxyethyltrimonium Chloride in Your Products?

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