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Benzenesulfonic acid, 4-[2-[3-[2-(2,4-dimethylphenyl)diazenyl]-2,4-dihydroxyphenyl]diazenyl]-, sodium salt (1:1)

CAS 6371-84-2

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

Molecular structure of 6371-84-2
1 Na⁺
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

CAS6371-84-2
PubChem CIDNot recorded
DTXSIDDTXSID401014664
FormulaC20H17N4NaO5S
Mol. Weight448.43 g/mol
SMILES[Na+].CC1=CC=C(\N=N\C2=C(O)C(=CC=C2O)\N=N\C2=CC=C(C=C2)S([O-])(=O)=O)C(C)=C1

Data Sources

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Brief citations

Benzenesulfonic acid, 4-[2-[3-[2-(2,4-dimethylphenyl)diazenyl]-2,4-dihydroxyphenyl]diazenyl]-, sodium salt (1:1) (CAS 6371-84-2) https://chemicalindependence.com/chemical/6371-84-2/ EPA TSCA Inventory: CAS 6371-84-2. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory