C.I. Direct Black 154

CAS 54804-85-2

2,7-Naphthalenedisulfonic acid, 4-amino-3-[2-[4'-[2-(2,4-diaminophenyl)diazenyl]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]diazenyl]-5-hydroxy-6-(2-phenyldiazenyl)-, sodium salt (1:2)

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

Molecular structure of 54804-85-2
2 Na⁺
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

CAS54804-85-2
PubChem CIDNot recorded
DTXSIDDTXSID10889767
FormulaC36H29N9Na2O7S2
Mol. Weight809.78 g/mol
SMILES[Na+].[Na+].CC1=C(C=CC(=C1)C1=CC(C)=C(C=C1)N=NC1=C(N)C2=C(O)C(N=NC3=CC=CC=C3)=C(C=C2C=C1S([O-])(=O)=O)S([O-])(=O)=O)N=NC1=C(N)C=C(N)C=C1

Data Sources

Brief citations

C.I. Direct Black 154 (CAS 54804-85-2) https://chemicalindependence.com/chemical/54804-85-2/ EPA TSCA Inventory: CAS 54804-85-2. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory