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2-Methylidenebutanedioic acid--prop-2-enoic acid (1/1)

CAS 25948-33-8

Butanedioic acid, 2-methylene-, polymer with 2-propenoic acid

EPA and Census publish no US supply data for this chemical.

Molecular structure of 25948-33-8
US productionNot reported
Top sourceNo public record

EPA exempts this chemical from its production survey.

Why supply is unknown

Where It Comes From

EPA and Census publish no US supply data for this chemical.

Why It Matters

No EPA sector or FDA product records name a use for this chemical.

Chemical Identity

CAS25948-33-8
PubChem CIDNot recorded
DTXSIDDTXSID90948861
FormulaC8H10O6
Mol. Weight202.162 g/mol
SMILESOC(=O)C=C.OC(=O)CC(=C)C(O)=O

Data Sources

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Brief citations

2-Methylidenebutanedioic acid--prop-2-enoic acid (1/1) (CAS 25948-33-8) https://chemicalindependence.com/chemical/25948-33-8/ EPA TSCA Inventory: CAS 25948-33-8. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory