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1,1'-Spirobi[1H-indene], 2,2',3,3'-tetrahydro-3,3,3',3'-tetramethyl-5,5',6,6'-tetrapropoxy-

CAS 89929-65-7

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

Molecular structure of 89929-65-7
US productionNot reported
Top sourceNo public record

This chemical is listed as active in US commerce, but no company reported it to EPA’s survey for 2019 or 2023. Sites may have made or imported less than the threshold amount, or none.

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

CAS89929-65-7
PubChem CIDNot recorded
DTXSIDDTXSID90348342
FormulaC33H48O4
Mol. Weight508.743 g/mol
SMILESCCCOC1=C(OCCC)C=C2C(=C1)C(C)(C)CC21CC(C)(C)C2=CC(OCCC)=C(OCCC)C=C12

Data Sources

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Brief citations

1,1'-Spirobi[1H-indene], 2,2',3,3'-tetrahydro-3,3,3',3'-tetramethyl-5,5',6,6'-tetrapropoxy- (CAS 89929-65-7) https://chemicalindependence.com/chemical/89929-65-7/ EPA TSCA Inventory: CAS 89929-65-7. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory