2-Oxepanone, polymer with 1,4-butanediol, 1,4-diisocyanatobenzene, 2,2-dimethyl-1,3-propanediol and 2-ethyl-2-(hydroxymethyl)-1,3-propanediol

CAS 491872-91-4

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

Molecular structure of 491872-91-4
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

CAS491872-91-4
PubChem CIDNot recorded
DTXSIDDTXSID101352972
FormulaNot recorded
Mol. WeightNot recorded
SMILESNot recorded

Data Sources

Brief citations

2-Oxepanone, polymer with 1,4-butanediol, 1,4-diisocyanatobenzene, 2,2-dimethyl-1,3-propanediol and 2-ethyl-2-(hydroxymethyl)-1,3-propanediol (CAS 491872-91-4) https://chemicalindependence.com/chemical/491872-91-4/ EPA TSCA Inventory: CAS 491872-91-4. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory