2-Oxepanone, polymer with 1,4-butanediol, 1,1'-methylenebis[4-isocyanatobenzene] and 2,2'-oxybis[ethanol]
CAS 56990-15-9
EPA and Census publish no US supply data for this chemical.
US productionNot reported
Top sourceNo public record
EPA exempts this chemical from its production survey.
Why supply is unknownWhere 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
CAS56990-15-9
PubChem CIDNot recorded
DTXSIDDTXSID601012519
FormulaNot recorded
Mol. WeightNot recorded
SMILESNot recorded
Data Sources
- EPA TSCA InventoryRetrieved 2026-10-04
Brief citations
2-Oxepanone, polymer with 1,4-butanediol, 1,1'-methylenebis[4-isocyanatobenzene] and 2,2'-oxybis[ethanol] (CAS 56990-15-9) https://chemicalindependence.com/chemical/56990-15-9/ EPA TSCA Inventory: CAS 56990-15-9. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory