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Chromate(5-), bis[4-amino-5-(hydroxy-κO)-6-[2-[2-(hydroxy-κO)-4-nitrophenyl]diazenyl-κN1]-1,7-naphthalenedisulfonato(4-)]-, sodium (1:5)

CAS 212716-70-6

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

Molecular structure of 212716-70-6
5 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

CAS212716-70-6
PubChem CIDNot recorded
DTXSIDDTXSID801015414
FormulaC32H16CrN8Na5O20S4
Mol. Weight1127.7 g/mol
SMILES[Na+].[Na+].[Na+].[Na+].[Na+].[Cr+3].NC1=C2C([O-])=C(N=NC3=C([O-])C=C(C=C3)[N+]([O-])=O)C(=CC2=C(C=C1)S([O-])(=O)=O)S([O-])(=O)=O.NC1=C2C([O-])=C(N=NC3=C([O-])C=C(C=C3)[N+]([O-])=O)C(=CC2=C(C=C1)S([O-])(=O)=O)S([O-])(=O)=O

Data Sources

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Brief citations

Chromate(5-), bis[4-amino-5-(hydroxy-κO)-6-[2-[2-(hydroxy-κO)-4-nitrophenyl]diazenyl-κN1]-1,7-naphthalenedisulfonato(4-)]-, sodium (1:5) (CAS 212716-70-6) https://chemicalindependence.com/chemical/212716-70-6/ EPA TSCA Inventory: CAS 212716-70-6. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory