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2,7-Naphthalenedisulfonic acid, 4-amino-6-[2-[5-[[4-chloro-6-[[3-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]amino]-1,3,5-triazin-2-yl]amino]-2-sulfophenyl]diazenyl]-5-hydroxy-3-[2-(4-sulfophenyl)diazenyl]-, sodium salt (1:5)

CAS 80156-94-1

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

Molecular structure of 80156-94-1
5 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

CAS80156-94-1
PubChem CIDNot recorded
DTXSIDDTXSID20893638
FormulaC33H22ClN10Na5O19S6
Mol. Weight1205.35 g/mol
SMILES[Na+].[Na+].[Na+].[Na+].[Na+].NC1=C2C(O)=C(N=NC3=C(C=CC(NC4=NC(Cl)=NC(NC5=CC(=CC=C5)S(=O)(=O)CCOS([O-])(=O)=O)=N4)=C3)S([O-])(=O)=O)C(=CC2=CC(=C1N=NC1=CC=C(C=C1)S([O-])(=O)=O)S([O-])(=O)=O)S([O-])(=O)=O

Data Sources

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Brief citations

2,7-Naphthalenedisulfonic acid, 4-amino-6-[2-[5-[[4-chloro-6-[[3-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]amino]-1,3,5-triazin-2-yl]amino]-2-sulfophenyl]diazenyl]-5-hydroxy-3-[2-(4-sulfophenyl)diazenyl]-, sodium salt (1:5) (CAS 80156-94-1) https://chemicalindependence.com/chemical/80156-94-1/ EPA TSCA Inventory: CAS 80156-94-1. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory