4-Amino-3-[2-[4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]diazenyl]-1-naphthalenesulfonic acid sodium salt (1:x)
CAS 2738570-04-0
EPA and Census publish no US supply data for this chemical.
US productionNot reported
Top sourceNo public record
EPA lists this chemical for 2019 but publishes zero or no volume for both production and imports.
Why supply is unknownWhere It Comes From
EPA and Census publish no US supply data for this chemical.
EPA reports by year
- 2019
- US production Not published · Imports Not published
Domestic parents -- activity not disclosed (1)
EPA records name a US company for this chemical but do not disclose whether the company made it here or imported it.
Dystar
Why It Matters
No EPA sector or FDA product records name a use for this chemical.
Chemical Identity
CAS2738570-04-0
PubChem CIDNot recorded
DTXSIDDTXSID901343509
FormulaNot recorded
Mol. WeightNot recorded
SMILESNot recorded
Data Sources
- EPA CompTox (DSSTox) · DTXSID901343509Retrieved 2026-04-06
- EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04
Brief citations
4-Amino-3-[2-[4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]diazenyl]-1-naphthalenesulfonic acid sodium salt (1:x) (CAS 2738570-04-0) https://chemicalindependence.com/chemical/2738570-04-0/ EPA CompTox (DSSTox): DTXSID901343509. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID901343509 EPA Chemical Data Reporting: 2738570-04-0. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting