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1,5-Naphthalenedisulfonic acid, 2-[2-(4-hydroxy-1-naphthalenyl)diazenyl]-, barium salt (1:1)

CAS 73612-38-1

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

Molecular structure of 73612-38-1
1 Ba²⁺
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

CAS73612-38-1
PubChem CIDNot recorded
DTXSIDDTXSID10888417
FormulaC20H12BaN2O7S2
Mol. Weight593.77 g/mol
SMILES[Ba++].OC1=CC=C(N=NC2=C(C3=C(C=C2)C(=CC=C3)S([O-])(=O)=O)S([O-])(=O)=O)C2=C1C=CC=C2

Data Sources

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Brief citations

1,5-Naphthalenedisulfonic acid, 2-[2-(4-hydroxy-1-naphthalenyl)diazenyl]-, barium salt (1:1) (CAS 73612-38-1) https://chemicalindependence.com/chemical/73612-38-1/ EPA TSCA Inventory: CAS 73612-38-1. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory