C.I. Vat brown 3
CAS 131-92-0
Benzamide, N,N'-(10,15,16,17-tetrahydro-5,10,15,17-tetraoxo-5H-dinaphtho[2,3-a:2',3'-i]carbazole-4,9-diyl)bis-
Used in 1 industrial sector tracked by the EPA.
US productionNot reported
Top sourceNo public record
EPA lists this chemical for 2023 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
- 2023
- 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.
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 ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
Chemical Identity
CAS131-92-0
PubChem CIDNot recorded
DTXSIDDTXSID2026282
FormulaC42H23N3O6
Mol. Weight665.661 g/mol
SMILESO=C(NC1=CC=CC2=C1C(=O)C1=C(C3=C(C=C1)C1=C(N3)C3=C(C(NC(=O)C4=CC=CC=C4)=C1)C(=O)C1=C(C=CC=C1)C3=O)C2=O)C1=CC=CC=C1
Data Sources
- EPA TSCA InventoryRetrieved 2026-04-29
- 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 brown 3 (CAS 131-92-0) https://chemicalindependence.com/chemical/131-92-0/ EPA TSCA Inventory: CAS 131-92-0. Retrieved 2026-04-29. https://www.epa.gov/tsca-inventory EPA Chemical Data Reporting: 131-92-0. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 131-92-0. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting