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But-2-enedioic acid--ethenylbenzene (1/1)

CAS 25300-64-5

2-Butenedioic acid (2Z)-, polymer with ethenylbenzene

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

Molecular structure of 25300-64-5
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

CAS25300-64-5
PubChem CIDNot recorded
DTXSIDDTXSID70948142
FormulaC12H12O4
Mol. Weight220.224 g/mol
SMILESC=CC1=CC=CC=C1.[H]C(=C([H])C(O)=O)C(O)=O

Data Sources

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Brief citations

But-2-enedioic acid--ethenylbenzene (1/1) (CAS 25300-64-5) https://chemicalindependence.com/chemical/25300-64-5/ EPA TSCA Inventory: CAS 25300-64-5. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory