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Benzenesulfonic acid, 4,4'-[1,3-phenylenebis[imino(6-chloro-1,3,5-triazine-4,2-diyl)imino]]bis-, sodium salt (1:2)

CAS 173659-60-4

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

Molecular structure of 173659-60-4
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

CAS173659-60-4
PubChem CIDNot recorded
DTXSIDDTXSID70890475
FormulaC24H16Cl2N10Na2O6S2
Mol. Weight721.46 g/mol
SMILES[Na+].[Na+].[O-]S(=O)(=O)C1=CC=C(NC2=NC(Cl)=NC(NC3=CC(NC4=NC(NC5=CC=C(C=C5)S([O-])(=O)=O)=NC(Cl)=N4)=CC=C3)=N2)C=C1

Data Sources

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Brief citations

Benzenesulfonic acid, 4,4'-[1,3-phenylenebis[imino(6-chloro-1,3,5-triazine-4,2-diyl)imino]]bis-, sodium salt (1:2) (CAS 173659-60-4) https://chemicalindependence.com/chemical/173659-60-4/ EPA TSCA Inventory: CAS 173659-60-4. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory