C.I. Vat Yellow 33
CAS 12227-50-8
Companies reported imports and no US production of this chemical to EPA for 2023.
US productionZero
Import volume17.9K lb
Import dependency100%
Top sourceNo public record
Production is reported production, not a complete census of factories. Production reporting year: 2023.
Where It Comes From
EPA reports by year
- 2023
- US production Zero · Imports 17.9K lb
- 2019
- US production Zero · Imports 34.3K 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.
Atul Usa
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 Synthetic Dye and Pigment Manufacturing (0%)Processing—incorporation into formulation, mixture, or reaction product
Chemical Identity
CAS12227-50-8
PubChem CID16130922
DTXSIDDTXSID4065280
FormulaC54H32N4O6
Mol. Weight832.9 g/mol
SMILESC1=CC=C2C(=C1)C(=O)C3=C(C2=O)C(=CC=C3)NC(=O)C4=CC=C(C=C4)C5=CC=C(C=C5)N=NC6=CC=C(C=C6)C7=CC=C(C=C7)C(=O)NC8=CC=CC9=C8C(=O)C1=CC=CC=C1C9=O
Data Sources
- EPA CompTox (DSSTox) · DTXSID4065280Retrieved 2026-04-06
- PubChem · compound 16130922Retrieved 2026-04-06
- EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
- EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
Brief citations
C.I. Vat Yellow 33 (CAS 12227-50-8) https://chemicalindependence.com/chemical/12227-50-8/ EPA CompTox (DSSTox): DTXSID4065280. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID4065280 PubChem: 16130922. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/16130922 EPA Chemical Data Reporting: 12227-50-8. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 12227-50-8. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting