Polymethacrylic Acid

Also known as: 2-​Propenoic acid, 2-​methyl-​, homopolymer, Methacrylic acid, polymers, Accelar 20, Acryloid AT 101, Acrysol 60 (+15 more)

INCI: POLYMETHACRYLIC ACID

Polymethacrylic Acid (CAS 25087-26-7) is a cosmetic cosmetic ingredient functioning as Viscosity controlling. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database.

View industrial chemical safety profile for CAS 25087-26-7 →

Auto-generated CPSR Part A draft with source citations
Function
Viscosity controlling
Safety Rating
GOOD

Chemistry & Identifiers

Regulatory Status

EU EU Status permitted
US US Status permitted
US Notes Permitted for cosmetic use; related acrylate polymers reviewed by CIR and found safe

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Additional Ingredient Properties

1 property record from structured ingredient metadata.

polymer
{"cas_number": "25087-26-7", "ingredient_class": "thickener/film_former", "polymer_type": "synthetic_homopolymer", "chemical_backbone": "methacrylic", "molecular_weight_Da_range": "10000-250000", "ionic_character": "anionic", "pH_viscosity_sensitivity": "moderate", "salt_tolerance": "moderate", "electrolyte_effect_on_viscosity": "moderate", "temperature_viscosity_sensitivity": "moderate", "film_tr…

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Binder Film former Viscosity modifier
Regulatory List Membership (2)
EPA Safer Chemical Ingredients List (SCIL) FDA Indirect Food Contact Additives

Expert Verdict

Expert safety assessment and concern-level summary for Polymethacrylic Acid.

Regulatory Flags

epa_safer_alternative

Known Synonyms

2-​Propenoic acid, 2-​methyl-​, homopolymer Methacrylic acid, polymers Accelar 20 Acryloid AT 101 Acrysol 60 Darex 41 Daxad 34 Jurymer AC 30H Light Ester A homopolymer Methacrylic acid copolymer Methacrylic acid homopolymer Methacrylic acid polymer Poly(methacrylic acid) Taicrin P Versicol K 13 Versicol K-II Polymethacrylates Methacrylate de methyle homopolymerise Methacrylic acid polymers HOMOPOLYMER, 2-PROPENOIC ACID, 2-METHYL-

Chemical Function

Film former Viscosity modifier Binder

Regulatory Lists

CEDI Indirect additives food contact (10/2018) SCIL (9/2019)

Australian Status

AICIS status: listed

Frequently Asked Questions

Is Polymethacrylic Acid safe in cosmetics?

Polymethacrylic Acid has a safety rating of "GOOD" in our database. EU status: permitted. US status: permitted.

Is Polymethacrylic Acid allowed in the EU?

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

What does Polymethacrylic Acid do in cosmetics?

Polymethacrylic Acid functions as: Viscosity controlling. It is classified as a cosmetic ingredient in our database. CAS number: 25087-26-7.

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