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1H-Isoindole-1,3(2H)-dione, 4,4'-[(1-methylethylidene)bis(4,1-phenyleneoxy)]bis[2-methyl-

CAS 54395-51-6

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

Molecular structure of 54395-51-6
US productionNot reported
Top sourceNo public record

EPA lists this chemical for 2023 but publishes zero or no volume for both production and imports.

Why supply is unknown

Where It Comes From

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

EPA reports by year
2023
US production Not published · Imports Not published

Why It Matters

No EPA sector or FDA product records name a use for this chemical.

Chemical Identity

CAS54395-51-6
PubChem CIDNot recorded
DTXSIDDTXSID4068951
FormulaC33H26N2O6
Mol. Weight546.579 g/mol
SMILESCN1C(=O)C2=CC=CC(OC3=CC=C(C=C3)C(C)(C)C3=CC=C(OC4=C5C(=O)N(C)C(=O)C5=CC=C4)C=C3)=C2C1=O

Data Sources

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Brief citations

1H-Isoindole-1,3(2H)-dione, 4,4'-[(1-methylethylidene)bis(4,1-phenyleneoxy)]bis[2-methyl- (CAS 54395-51-6) https://chemicalindependence.com/chemical/54395-51-6/ EPA TSCA Inventory: CAS 54395-51-6. Retrieved 2026-04-29. https://www.epa.gov/tsca-inventory EPA Chemical Data Reporting: 54395-51-6. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting