Cobaltate(3-), [4-(amino-κN)-3-[2-[2-(hydroxy-κO)-3,5-dinitrophenyl]diazenyl-κN1]-1-naphthalenesulfonato(3-)][5-(amino-κN)-6-[2-[2-(hydroxy-κO)-3,5-dinitrophenyl]diazenyl-κN1]-1-naphthalenesulfonato(3-)]-, sodium (1:3)

CAS 82457-28-1

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

Molecular structure of 82457-28-1 — 3 Na⁺ · 1 Co³⁺

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

CAS82457-28-1

PubChem CIDNot recorded

DTXSIDDTXSID501015239

FormulaC32H16CoN10Na3O16S2

Mol. Weight988.56 g/mol

SMILES[Na+].[Na+].[Na+].[Co+3].[NH-]C1=C2C=CC=CC2=C(C=C1\N=N\C1=C([O-])C(=CC(=C1)[N+]([O-])=O)[N+]([O-])=O)S([O-])(=O)=O.[NH-]C1=C2C=CC=CC2=C(C=C1\N=N\C1=C([O-])C(=CC(=C1)[N+]([O-])=O)[N+]([O-])=O)S([O-])(=O)=O

Data Sources

EPA TSCA InventoryRetrieved 2026-10-04

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Brief citations

Cobaltate(3-), [4-(amino-κN)-3-[2-[2-(hydroxy-κO)-3,5-dinitrophenyl]diazenyl-κN1]-1-naphthalenesulfonato(3-)][5-(amino-κN)-6-[2-[2-(hydroxy-κO)-3,5-dinitrophenyl]diazenyl-κN1]-1-naphthalenesulfonato(3-)]-, sodium (1:3) (CAS 82457-28-1) https://chemicalindependence.com/chemical/82457-28-1/ EPA TSCA Inventory: CAS 82457-28-1. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory