C.I. Acid Yellow 151

CAS 12715-61-6

Cobaltate(2-), bis[2-[2-[5-(aminosulfonyl)-2-(hydroxy-κO)phenyl]diazenyl-κN1]-3-(oxo-κO)-N-phenylbutanamidato(2-)]-, hydrogen (1:2)

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

Molecular structure of 12715-61-6
2 H⁺ · 1 Co²⁺
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

CAS12715-61-6
PubChem CIDNot recorded
DTXSIDDTXSID90893201
FormulaC32H32CoN8O10S2
Mol. Weight811.71 g/mol
SMILES[H+].[H+].[Co++].CC(=O)C(N=NC1=CC(=CC=C1[O-])S(N)(=O)=O)C(=O)NC1=CC=CC=C1.CC(=O)C(N=NC1=C([O-])C=CC(=C1)S(N)(=O)=O)C(=O)NC1=CC=CC=C1

Data Sources

Brief citations

C.I. Acid Yellow 151 (CAS 12715-61-6) https://chemicalindependence.com/chemical/12715-61-6/ EPA TSCA Inventory: CAS 12715-61-6. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory