C.I.Disperse Yellow 42

CAS 5124-25-4

U.S. production volumes are classified as confidential business information.

US productionCBI

Confidential Business Information. The EPA withholds this volume because publishing it could reveal the reporting company's trade secrets.

Top sourceNo public record

At least one company claimed its 2019 production or import volume for this chemical as confidential, so EPA withholds it.

Why supply is unknown

Production is reported production, not a complete census of factories. US production volume is confidential. Production reporting year: 2019.

Where It Comes From

EPA reports by year

2019: US production Confidential · Imports Confidential

EPA-registered importers (3)

Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.

Archroma Management Gmbh · CH Switzerland

Archroma U.S

Huntsman

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

Used in 2 sectors as 1 functional role.

•Dye in Synthetic Dye and Pigment Manufacturing (100%)Processing—incorporation into article
•Dye in Textiles, apparel, and leather manufacturing (100%)Processing—incorporation into article

Vendor Pricing

$147.00/gAK Scientific, Inc.

CountryUnited States

Pack$147.00 / 1 g

Purity95%

Vendors9 available

Prices reflect listed pack sizes. Small research packs run far above bulk rates.

8 more vendors

Vendor	Country	$/g	Pack	Purity
A2B Chem LLC	United States	$159.00	1 g	95%
AA BLOCKS	United States	$164.00	1 g	95%
Angene International Limited	United States	$261.00	1 g	95%
Life Chemicals Inc.	Ukraine → Canada	$3100.00	100 mg	90%
Asinex	Netherlands	$6461.40	100 mg	90%
ChemBridge Corporation	Kazakhstan	$6640.00	25 mg	90%
TimTec, LLC (back-ordered)	United States	$32000.00	15 mg	94%
Vitas M Chemical Limited	Hong Kong	$46000.00	1 mg	90%

Chemical Identity

CAS5124-25-4

PubChem CID21201

DTXSIDDTXSID8052148

FormulaC18H15N3O4S

Mol. Weight369.4 g/mol

SMILESC1=CC=C(C=C1)NC2=C(C=C(C=C2)S(=O)(=O)NC3=CC=CC=C3)[N+](=O)[O-]

Data Sources

EPA CompTox (DSSTox) · DTXSID8052148Retrieved 2026-04-06
PubChem · compound 21201Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04

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Brief citations

C.I.Disperse Yellow 42 (CAS 5124-25-4) https://chemicalindependence.com/chemical/5124-25-4/ EPA CompTox (DSSTox): DTXSID8052148. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID8052148 PubChem: 21201. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/21201 EPA Chemical Data Reporting: 5124-25-4. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 5124-25-4. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting