C.I. Pigment Blue 56
CAS 6417-46-5
Benzenesulfonic acid, 2-methyl-4-[[4-[[4-[(3-methylphenyl)amino]phenyl][4-[(3-methylphenyl)imino]-2,5-cyclohexadien-1-ylidene]methyl]phenyl]amino]-
EPA and Census publish no US supply data for this chemical.
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 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
CAS6417-46-5
PubChem CIDNot recorded
DTXSIDDTXSID9064344
FormulaC40H35N3O3S
Mol. Weight637.8 g/mol
SMILESCC1=CC=CC(NC2=CC=C(C=C2)C(C2=CC=C(NC3=CC(C)=C(C=C3)S(O)(=O)=O)C=C2)=C2C=CC(C=C2)=NC2=CC(C)=CC=C2)=C1
Data Sources
- EPA TSCA InventoryRetrieved 2026-10-04
Brief citations
C.I. Pigment Blue 56 (CAS 6417-46-5) https://chemicalindependence.com/chemical/6417-46-5/ EPA TSCA Inventory: CAS 6417-46-5. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory