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2-Butenedioic acid (2Z)-, 1-ethyl ester, polymer with methoxyethene

CAS 25087-06-3

Concern score

Not assessed — no hazard data yet.

2-Butenedioic acid (2Z)-, 1-ethyl ester, polymer with methoxyethene in plain language

What it is

On cosmetic ingredient lists it appears as “Ethyl ester of pvm/ma copolymer”.

Also known as Ethyl ester of pvm/ma copolymer · Maleic acid monoethyl ester-vinyl methyl ether copolymer · monoethyl ester of poly(methyl vinyl ether/maleic acid)

What it does

Used in cosmetics as a hair fixative, an antistatic agent and a film former.

  • Hair fixing
  • Antistatic
  • Film forming
  • Film former
  • Hair fixative
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-Butenedioic acid (2Z)-, 1-ethyl ester, polymer with methoxyethene appears in these published regulatory listings.

Recorded in these product areas

  • Found in consumer products
  • Industrial
  • EUCosIngActive2-Butanedioic acid (Z)-, monoethyl ester, polymer with methoxyethene
    • 2-Butanedioic acid (Z)-, monoethyl ester, polymer with methoxyetheneSource →
  • USEPAcommercial use observedEPA CPDat observed this chemical in 3 composition records across product categories including unclassified products. EPA CPDat classifies this chemical for functional uses including Film former, Anti-static agent, Hair fixative.
    • EPA CPDat observed this chemical in 3 composition records across product categories including unclassified products. EPA CPDat classifies this chemical for functional uses including Film former, Anti-static agent, Hair fixative.Source →

Expert safety opinions

No expert opinion on file for 2-Butenedioic acid (2Z)-, 1-ethyl ester, polymer with methoxyethene. 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-Butenedioic acid (2Z)-, 1-ethyl ester, polymer with methoxyethene 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 January 7, 2008

    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-Butenedioic acid (2Z)-, 1-ethyl ester, polymer with methoxyethene in a product composition. These are source records, not Greenveil catalog products.

Source records

3

Named organisations

2

Typical roles

Hair fixingAntistaticFilm formingFilm formerHair fixative
See products using 2-Butenedioic acid (2Z)-, 1-ethyl ester, polymer with methoxyethene →

Catalog

Found in these products

Cosmetic and personal-care products that list 2-Butenedioic acid (2Z)-, 1-ethyl ester, polymer with methoxyethene are shown first. Their ingredient lists include 2-Butenedioic acid (2Z)-, 1-ethyl ester, polymer with methoxyethene; each product's own rating depends on its whole formula, so it is shown on the product page, not here.