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Chromate(3-), bis[4-(hydroxy-κO)-3-[2-[2-(hydroxy-κO)-4-nitrophenyl]diazenyl-κN1]-1-naphthalenesulfonato(3-)]-, sodium (1:3)

CAS 68541-70-8

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

Molecular structure of 68541-70-8
3 Na⁺ · 1 Cr³⁺
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

CAS68541-70-8
PubChem CIDNot recorded
DTXSIDDTXSID50904428
FormulaC32H16CrN6Na3O14S2
Mol. Weight893.59 g/mol
SMILES[Na+].[Na+].[Na+].[Cr+3].[O-]C1=CC(=CC=C1\N=N\C1=C([O-])C2=CC=CC=C2C(=C1)S([O-])(=O)=O)[N+]([O-])=O.[O-]C1=CC(=CC=C1\N=N\C1=C([O-])C2=CC=CC=C2C(=C1)S([O-])(=O)=O)[N+]([O-])=O

Data Sources

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Brief citations

Chromate(3-), bis[4-(hydroxy-κO)-3-[2-[2-(hydroxy-κO)-4-nitrophenyl]diazenyl-κN1]-1-naphthalenesulfonato(3-)]-, sodium (1:3) (CAS 68541-70-8) https://chemicalindependence.com/chemical/68541-70-8/ EPA TSCA Inventory: CAS 68541-70-8. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory