Ferrate(4-), [3-[2-[2-amino-5-(hydroxy-κO)-6-[2-[2-(hydroxy-κO)-5-nitro-3-sulfophenyl]diazenyl-κN1]-7-sulfo-1-naphthalenyl]diazenyl]-2-hydroxy-5-sulfobenzoato(6-)]-, sodium (1:4)

CAS 72187-17-8

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

Molecular structure of 72187-17-8
4 Na⁺ · 1 Fe²⁺
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

CAS72187-17-8
PubChem CIDNot recorded
DTXSIDDTXSID001015189
FormulaC23H10FeN6Na4O16S3
Mol. Weight870.34 g/mol
SMILES[Na+].[Na+].[Na+].[Na+].[Fe++].NC1=CC=C2C([O-])=C(\N=N\C3=CC(=CC(=C3[O-])S([O-])(=O)=O)[N+]([O-])=O)C(=CC2=C1\N=N\C1=C(O)C(=CC(=C1)S([O-])(=O)=O)C([O-])=O)S([O-])(=O)=O

Data Sources

Brief citations

Ferrate(4-), [3-[2-[2-amino-5-(hydroxy-κO)-6-[2-[2-(hydroxy-κO)-5-nitro-3-sulfophenyl]diazenyl-κN1]-7-sulfo-1-naphthalenyl]diazenyl]-2-hydroxy-5-sulfobenzoato(6-)]-, sodium (1:4) (CAS 72187-17-8) https://chemicalindependence.com/chemical/72187-17-8/ EPA TSCA Inventory: CAS 72187-17-8. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory