Polyquaternium-33

Also known as: Ethanaminium, N,​N,​N-​trimethyl-​2-​[(1-​oxo-​2-​propen-​1-​yl)​oxy]​-​, chloride (1:1)​, polymer with 2-​propenamide, 2-Propenamide, polymer with N,N,N-trimethyl-2-[(1-oxo-2-propenyl)oxy]ethanaminium chloride, 2-Acryloxyethyltrimethylammonium chloride-acrylamide copolymer, Acrylamide-(2-acryloxyethyl)trimethylammonium chloride copolymer, Acrylamide-(2-acryloyloxyethyl)trimethylammonium chloride copolymer (+15 more)

INCI: POLYQUATERNIUM-33

Polyquaternium-33 (CAS 69418-26-4) is a cosmetic cosmetic ingredient functioning as Antistatic, Film Forming. EU Regulation 1223/2009 status: restricted. Industrial safety data is also available in the chemical safety database.

View industrial chemical safety profile for CAS 69418-26-4 →

Auto-generated CPSR Part A draft with source citations
Function
Antistatic, Film Forming
Safety Rating
GOOD

Chemistry & Identifiers

Regulatory Status

EU EU Status restricted
US US Status permitted
US Notes Permitted for cosmetic use; no specific FDA restriction; not CIR-reviewed individually

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

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for Polyquaternium-33.

Calculate MoS for your specific formulation with the MoS Calculator.

Additional Ingredient Properties

1 property record from structured ingredient metadata.

hair_conditioning
{"cas_number": "69418-26-4", "ingredient_class": "cationic_conditioner", "chemical_type": "polyquaternium", "charge_density_meq_g": "1.8", "substantivity_to_hair": "good", "deposition_from_shampoo": "yes", "deposition_from_conditioner": "yes", "conditioning_mechanism": "electrostatic", "hair_penetration": "cuticle", "molecular_weight_effect_on_penetration": "copolymer", "wet_combing_force_reductio…

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Anti-static agent Film former

Expert Verdict

Expert safety assessment and concern-level summary for Polyquaternium-33.

Known Synonyms

Ethanaminium, N,​N,​N-​trimethyl-​2-​[(1-​oxo-​2-​propen-​1-​yl)​oxy]​-​, chloride (1:1)​, polymer with 2-​propenamide 2-Propenamide, polymer with N,N,N-trimethyl-2-[(1-oxo-2-propenyl)oxy]ethanaminium chloride 2-Acryloxyethyltrimethylammonium chloride-acrylamide copolymer Acrylamide-(2-acryloxyethyl)trimethylammonium chloride copolymer Acrylamide-(2-acryloyloxyethyl)trimethylammonium chloride copolymer Acrylamide-2-(N,N,N-trimethyl)aminoethyl chloride acrylate copolyme Acrylamide-2-(trimethylammonio)ethyl acrylate chloride copolymer Acrylamide-Adamquat MC 80 copolymer Acrylamide-DMAEA-Q copolymer Acrylamide-Dimethylaminoethyl acrylate methyl chloride adduct copolymer Acrylamide-N,N-dimethylaminoethyl acrylate methylchloride copolymer Acrylamide-acryloxyethyltrimethylammonium chloride copolymer Acrylamide-acryloyloxyethy trimethylammonium chloride copolyme Acrylamide-acryloyloxyethyltrimethylammonium chloride copolymer Acrylamide-acryloyloxyethyltrimethylammonium chloride polymer Acrylamide-dimethylaminoethyl acrylate methyl chloride copolymer Acrylamide-dimethylaminoethyl acrylate methyl chloride quaternary ammonium salt copolymer Acrylamide-dimethylaminoethyl acrylate methyl chloride salt copolymer Acrylamide-trimethyl(2-acryloxyethyl)ammonium chloride copolymer Acrylamide-trimethylaminoethyl acrylate ammonium chloride copolymer

Chemical Function

Film former Anti-static agent

Regulatory Lists

fracking; water

Australian Status

AICIS status: listed

Frequently Asked Questions

Is Polyquaternium-33 safe in cosmetics?

Polyquaternium-33 has a safety rating of "GOOD" in our database. EU status: restricted. US status: permitted.

Is Polyquaternium-33 allowed in the EU?

Polyquaternium-33 EU regulatory status: restricted. This is based on EU Regulation 1223/2009 and its amendments.

What does Polyquaternium-33 do in cosmetics?

Polyquaternium-33 functions as: Antistatic, Film Forming. It is classified as a cosmetic ingredient in our database. CAS number: 69418-26-4.

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