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1,3-Isobenzofurandione, polymer with 2,2-dimethyl-1,3-propanediol, 1,2-ethanediol and 2,5-furandione

CAS 42133-45-9

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

Molecular structure of 42133-45-9
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

CAS42133-45-9
PubChem CIDNot recorded
DTXSIDDTXSID901087610
FormulaNot recorded
Mol. WeightNot recorded
SMILESNot recorded

Data Sources

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Brief citations

1,3-Isobenzofurandione, polymer with 2,2-dimethyl-1,3-propanediol, 1,2-ethanediol and 2,5-furandione (CAS 42133-45-9) https://chemicalindependence.com/chemical/42133-45-9/ EPA TSCA Inventory: CAS 42133-45-9. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory