C.I. Reactive Yellow
CAS 80156-97-4
Companies reported imports and no US production of this chemical to EPA for 2019.
US productionZero
Import volume34.5K lb
Import dependency100%
Top sourceNo public record
Production is reported production, not a complete census of factories. Production reporting year: 2019.
Where It Comes From
EPA reports by year
- 2023
- US production Not published · Imports Not published
- 2019
- US production Zero · Imports 34.5K lb
EPA-registered importers (1)
Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.
Dystar
Why It Matters
Sectors
Textiles
Downstream UsesNot recorded
FDA Shortage Status
Whether any manufacturer currently reports this drug as in shortage on the FDA Drug Shortages database. "Active Shortage" means at least one presentation has status "current."
No FDA shortage records
Industrial Uses
- •Dye in Textiles, apparel, and leather manufacturing (0%)Processing—incorporation into formulation, mixture, or reaction product
Chemical Identity
CAS80156-97-4
PubChem CID91809000
DTXSIDDTXSID10890398
FormulaC28H24ClN9Na4O16S5+4
Mol. Weight1030.3 g/mol
SMILESC1=CC(=CC=C1NC2=NC(=NC(=N2)Cl)NC3=CC(=C(C=C3)N=NC4=CC5=C(C=C(C=C5C=C4S(=O)(=O)O)S(=O)(=O)O)S(=O)(=O)O)NC(=O)N)S(=O)(=O)CCOS(=O)(=O)O.[Na+].[Na+].[Na+].[Na+]
Data Sources
- EPA CompTox (DSSTox) · DTXSID10890398Retrieved 2026-04-06
- PubChem · compound 91809000Retrieved 2026-04-06
- EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04
- EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
Brief citations
C.I. Reactive Yellow (CAS 80156-97-4) https://chemicalindependence.com/chemical/80156-97-4/ EPA CompTox (DSSTox): DTXSID10890398. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID10890398 PubChem: 91809000. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/91809000 EPA Chemical Data Reporting: 80156-97-4. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 80156-97-4. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting