C.I. Solvent Yellow 93

CAS 4702-90-3

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.

Import value, 2024$52M

Top sourceIndia 34%

At least one company claimed its 2023 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: 2023. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 320419 · basket

EPA reports by year

2023: US production Confidential · Imports Confidential
2019: US production Confidential · Imports Confidential

These shares come from HS customs code 320419, which covers 36 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries

Country of origin for US imports, from Census customs data (2024).

IN 34%IndiaCN 14%ChinaJP 13%JapanDE 12%GermanyCA 7%Canada

South Korea
Switzerland
Colombia
Spain
Belgium
Hong Kong
Czech Republic
Australia
Israel
Ukraine
Poland
Malaysia
North Macedonia
Turkey
Russia
Yemen
Singapore
Brazil

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.

Sensient Colors

Why It Matters

Sectors

Paper & Printing

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 Paper Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Vendor Pricing

$0.30/gAaron Chemicals LLC

CountryHong Kong

Pack$152.00 / 500 g

PurityNot recorded

Vendors4 available

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

3 more vendors

Vendor	Country	$/g	Pack	Purity
TargetMol Chemicals	China → United States	$392.00	500 mg	93.6%
TargetMol Chemicals EU	Austria	$770.00	100 mg	93.6%
AA BLOCKS	United States	$920.00	100 mg	—

Chemical Identity

CAS4702-90-3

PubChem CID107578

DTXSIDDTXSID80884103

FormulaC21H18N4O2

Mol. Weight358.4 g/mol

SMILESCC1=NN(C(=O)C1C=C2C(=NN(C2=O)C3=CC=CC=C3)C)C4=CC=CC=C4

Data Sources

EPA CompTox (DSSTox) · DTXSID80884103Retrieved 2026-04-06
PubChem · compound 107578Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

C.I. Solvent Yellow 93 (CAS 4702-90-3) https://chemicalindependence.com/chemical/4702-90-3/ EPA CompTox (DSSTox): DTXSID80884103. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID80884103 PubChem: 107578. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/107578 EPA Chemical Data Reporting: 4702-90-3. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 4702-90-3. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 320419 for CAS 4702-90-3. Reporting year: 2024. https://usatrade.census.gov/