Chromazurol B

CAS 1796-92-5

Benzoic acid, 5-[(3-carboxy-5-methyl-4-oxo-2,5-cyclohexadien-1-ylidene)(2,6-dichlorophenyl)methyl]-2-hydroxy-3-methyl-, sodium salt (1:2)

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

Molecular structure of 1796-92-5
2 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

CAS1796-92-5
PubChem CIDNot recorded
DTXSIDDTXSID10889449
FormulaC23H14Cl2Na2O6
Mol. Weight503.24 g/mol
SMILES[Na+].[Na+].CC1=CC(=CC(C([O-])=O)=C1O)C(=C1\C=C(C)C(=O)C(=C1)C([O-])=O)\C1=C(Cl)C=CC=C1Cl

Data Sources

Brief citations

Chromazurol B (CAS 1796-92-5) https://chemicalindependence.com/chemical/1796-92-5/ EPA TSCA Inventory: CAS 1796-92-5. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory