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2-Methyl-2-propenoic acid, polymer with 2-propenoic acid, sodium salt

CAS 28205-96-1

Concern score

Not assessed — no hazard data yet.

2-Methyl-2-propenoic acid, polymer with 2-propenoic acid, sodium salt in plain language

What it is

On cosmetic ingredient lists it appears as “Sodium acrylates copolymer”.

Also known as Sodium acrylates copolymer · Acrylic acid, methacrylic acid polymer, sodium salt · Anionic · Methacrylic acid acrylic acid polymer sodium salt · Methacrylic acid, polymer with acrylic acid, sodium salt

What it does

Used in cosmetics as a binder, a film former and an opacifier. Sodium Acrylates Copolymer is the sodium salt of a polymer consisting of acrylic acid, methacrylic acid or one of their simple esters.

  • Binding
  • Film forming
  • Opacifying
  • Viscosity controlling
  • Thickener
  • Film former
Is it a concern?
We haven't assessed a concern score for this ingredient yet. It is listed for cosmetic use in the EU.

Regulation

No restrictions found. 2-Methyl-2-propenoic acid, polymer with 2-propenoic acid, sodium salt appears in these published regulatory listings.

Recorded in these product areas

  • Found in consumer products
  • Beauty
  • Cleaning
  • EUCosIngActiveSodium Acrylates Copolymer is the sodium salt of a polymer consisting of acrylic acid, methacrylic acid or one of their simple esters
    • Sodium Acrylates Copolymer is the sodium salt of a polymer consisting of acrylic acid, methacrylic acid or one of their simple estersSource →
  • USEPAcommercial use observedEPA CPDat observed this chemical in 148 composition records across product categories including Construction and building materials, Personal care, Cleaning products and household care. EPA CPDat classifies this chemical for functional uses including Film former, Viscosity modifier, Opacifer.
    • EPA CPDat observed this chemical in 148 composition records across product categories including Construction and building materials, Personal care, Cleaning products and household care. EPA CPDat classifies this chemical for functional uses including Film former, Viscosity modifier, Opacifer.Source →

Expert safety opinions

No expert opinion on file for 2-Methyl-2-propenoic acid, polymer with 2-propenoic acid, sodium salt. These are the independent scientific bodies that assess ingredients like this one; we show an opinion only when a record we hold cites it.

  • SCCS

    EU Scientific Committee on Consumer Safety

    No SCCS opinion on file.

  • CIR

    Cosmetic Ingredient Review (US expert panel)

    No CIR safety assessment on file.

Evidence & sources

No graded research studies for 2-Methyl-2-propenoic acid, polymer with 2-propenoic acid, sodium salt yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

3 data sources

Where this comes from

  • CosIng

    regulatory · updated 2026-09-23

    Open →
  • EPA Chemical and Products Database

    exposure · updated September 2018

    Open →
  • EPA DSSTox Identifiers

    chemistry · updated 2025-12-29

    Open →

Suitability

Context-specific fit derived from published classifications and the current ingredient evidence profile.

Fragrance avoidance

Nothing to weigh for this context yet.

No signal in this context

We have no published hazard signal for this ingredient, so we cannot say how it behaves in this context — that is missing evidence, not a clean result.

Where it has been recorded

How often EPA CPDat has listed 2-Methyl-2-propenoic acid, polymer with 2-propenoic acid, sodium salt in a product composition. These are source records, not Greenveil catalog products.

Source records

148

Named organisations

6

Construction and building materialsPersonal careCleaning products and household carePet and animal care

Typical roles

BindingFilm formingOpacifyingViscosity controllingThickenerFilm former
See products using 2-Methyl-2-propenoic acid, polymer with 2-propenoic acid, sodium salt →

Catalog

Found in these products

Their ingredient lists include 2-Methyl-2-propenoic acid, polymer with 2-propenoic acid, sodium salt; each product's own rating depends on its whole formula, so it is shown on the product page, not here.