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2,5-Furandione, polymer with 2,2'-[1,2-ethanediylbis(oxy)]bis[ethanol] and 3a,4,7,7a-tetrahydro-4,7-methano-1H-indene

CAS 66991-56-8

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

Molecular structure of 66991-56-8
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

CAS66991-56-8
PubChem CIDNot recorded
DTXSIDDTXSID901012863
FormulaNot recorded
Mol. WeightNot recorded
SMILESNot recorded

Data Sources

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Brief citations

2,5-Furandione, polymer with 2,2'-[1,2-ethanediylbis(oxy)]bis[ethanol] and 3a,4,7,7a-tetrahydro-4,7-methano-1H-indene (CAS 66991-56-8) https://chemicalindependence.com/chemical/66991-56-8/ EPA TSCA Inventory: CAS 66991-56-8. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory