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2,7-Naphthalenedisulfonic acid, 4,4'-[(6-chloro-1,3,5-triazine-2,4-diyl)diimino]bis[5-hydroxy-6-[2-[4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]diazenyl]-, sodium salt (1:6)

CAS 73179-36-9

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

Molecular structure of 73179-36-9
6 Na⁺
US productionNot reported
Top sourceNo public record

EPA lists this chemical for 2019 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
2019
US production Not published · Imports Not published
Domestic parents -- activity not disclosed (1)
Dystar

Why It Matters

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

Chemical Identity

CAS73179-36-9
PubChem CID136171112
DTXSIDDTXSID10890333
FormulaC39H26ClN9Na6O26S8
Mol. Weight1466.6 g/mol
SMILESC1=CC(=CC=C1N=NC2=C(C3=C(C=C(C=C3C=C2S(=O)(=O)[O-])S(=O)(=O)[O-])NC4=NC(=NC(=N4)Cl)NC5=C6C(=CC(=C5)S(=O)(=O)[O-])C=C(C(=C6O)N=NC7=CC=C(C=C7)S(=O)(=O)CCOS(=O)(=O)[O-])S(=O)(=O)[O-])O)S(=O)(=O)CCOS(=O)(=O)[O-].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+]

Data Sources

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Brief citations

2,7-Naphthalenedisulfonic acid, 4,4'-[(6-chloro-1,3,5-triazine-2,4-diyl)diimino]bis[5-hydroxy-6-[2-[4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]diazenyl]-, sodium salt (1:6) (CAS 73179-36-9) https://chemicalindependence.com/chemical/73179-36-9/ EPA CompTox (DSSTox): DTXSID10890333. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID10890333 PubChem: 136171112. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/136171112 EPA Chemical Data Reporting: 73179-36-9. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting