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1H-Pyrrole-2,5-dione, 1,1'-[methylenebis(2-ethyl-6-methyl-4,1-phenylene)]bis-

CAS 105391-33-1

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

Molecular structure of 105391-33-1
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

CAS105391-33-1
PubChem CIDNot recorded
DTXSIDDTXSID6073027
FormulaC27H26N2O4
Mol. Weight442.515 g/mol
SMILESCCC1=CC(CC2=CC(C)=C(N3C(=O)C=CC3=O)C(CC)=C2)=CC(C)=C1N1C(=O)C=CC1=O

Data Sources

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Brief citations

1H-Pyrrole-2,5-dione, 1,1'-[methylenebis(2-ethyl-6-methyl-4,1-phenylene)]bis- (CAS 105391-33-1) https://chemicalindependence.com/chemical/105391-33-1/ EPA TSCA Inventory: CAS 105391-33-1. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory