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Copper, [μ-[[3,3'-[(1-oxido-1,2-diazenediyl)bis[[2-(hydroxy-κO)-4,1-phenylene]-2,1-diazenediyl-κN1]]bis[4-(hydroxy-κO)-2,7-naphthalenedisulfonato]](8-)]]di-, sodium (1:4)

CAS 75173-68-1

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

Molecular structure of 75173-68-1
4 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

CAS75173-68-1
PubChem CIDNot recorded
DTXSIDDTXSID20893714
FormulaC32H14Cu2N6Na4O17S4
Mol. Weight1101.78 g/mol
SMILES[Na+].[Na+].[Na+].[Na+].[O-]S(=O)(=O)C1=CC2=C(C=C1)C1=C(N=NC3=CC=C(C=C3O[Cu]O1)N(=O)=NC1=CC3=C(C=C1)N=NC1=C(O[Cu]O3)C3=C(C=C(C=C3)S([O-])(=O)=O)C=C1S([O-])(=O)=O)C(=C2)S([O-])(=O)=O

Data Sources

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Brief citations

Copper, [μ-[[3,3'-[(1-oxido-1,2-diazenediyl)bis[[2-(hydroxy-κO)-4,1-phenylene]-2,1-diazenediyl-κN1]]bis[4-(hydroxy-κO)-2,7-naphthalenedisulfonato]](8-)]]di-, sodium (1:4) (CAS 75173-68-1) https://chemicalindependence.com/chemical/75173-68-1/ EPA TSCA Inventory: CAS 75173-68-1. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory