C.I.Acid Violet 87

CAS 38833-00-0

Chromate(1-), bis[4-(hydroxy-κO)-3-[2-[2-(hydroxy-κO)-1-naphthalenyl]diazenyl-κN1]benzenesulfonamidato(2-)]-, hydrogen (1:1)

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

Molecular structure of 38833-00-0
1 Cr³⁺ · 1 H⁺
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

CAS38833-00-0
PubChem CIDNot recorded
DTXSIDDTXSID20959622
FormulaC32H23CrN6O8S2
Mol. Weight735.69 g/mol
SMILES[H+].[Cr+3].NS(=O)(=O)C1=CC=C([O-])C(=C1)\N=N\C1=C2C=CC=CC2=CC=C1[O-].NS(=O)(=O)C1=CC=C([O-])C(=C1)\N=N\C1=C2C=CC=CC2=CC=C1[O-]

Data Sources

Brief citations

C.I.Acid Violet 87 (CAS 38833-00-0) https://chemicalindependence.com/chemical/38833-00-0/ EPA TSCA Inventory: CAS 38833-00-0. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory