1,3,6-Naphthalenetrisulfonic acid, 7-[2-[2-[(aminocarbonyl)amino]-4-[[4-chloro-6-[(2-sulfoethyl)amino]-1,3,5-triazin-2-yl]amino]phenyl]diazenyl]-, sodium salt (1:4)
CAS 73275-64-6
EPA and Census publish no US supply data for this chemical.
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 unknownWhere 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
CAS73275-64-6
PubChem CIDNot recorded
DTXSIDDTXSID70890334
FormulaC22H16ClN9Na4O13S4
Mol. Weight870.07 g/mol
SMILES[Na+].[Na+].[Na+].[Na+].NC(=O)NC1=CC(NC2=NC(Cl)=NC(NCCS([O-])(=O)=O)=N2)=CC=C1N=NC1=CC2=C(C=C(C=C2C=C1S([O-])(=O)=O)S([O-])(=O)=O)S([O-])(=O)=O
Data Sources
- EPA TSCA InventoryRetrieved 2026-10-04
Brief citations
1,3,6-Naphthalenetrisulfonic acid, 7-[2-[2-[(aminocarbonyl)amino]-4-[[4-chloro-6-[(2-sulfoethyl)amino]-1,3,5-triazin-2-yl]amino]phenyl]diazenyl]-, sodium salt (1:4) (CAS 73275-64-6) https://chemicalindependence.com/chemical/73275-64-6/ EPA TSCA Inventory: CAS 73275-64-6. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory