C.I. Acid Yellow 17, disodium salt

CAS 6359-98-4

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

Molecular structure of 6359-98-4 — 2 Na⁺

US productionCBI

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

Import value, 2024$56M

Top sourceIndia 70%

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 320412 · basket

EPA reports by year

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

These shares come from HS customs code 320412, which covers 106 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 70%IndiaMY 7%MalaysiaCH 4%SwitzerlandCN 4%ChinaDE 3%Germany

Ireland
United Kingdom
Spain
South Korea
Denmark
Pakistan
Hong Kong
Czech Republic
Brazil
Turkey

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.

Target

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

Vendor Pricing

$0.15/gAaron Chemicals LLC

CountryHong Kong

Pack$73.00 / 500 g

Purity95%

Vendors3 available

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

2 more vendors

Vendor	Country	$/g	Pack	Purity
AA BLOCKS	United States	$0.35	500 g	95%
AstaTech (2 weeks)	United States	$48.00	1 g	95%

Chemical Identity

CAS6359-98-4

PubChem CID22842

DTXSIDDTXSID6041719

FormulaC16H10Cl2N4Na2O7S2

Mol. Weight551.3 g/mol

SMILESCC1=NN(C(=O)C1N=NC2=CC=C(C=C2)S(=O)(=O)[O-])C3=CC(=C(C=C3Cl)S(=O)(=O)[O-])Cl.[Na+].[Na+]

Data Sources

EPA CompTox (DSSTox) · DTXSID6041719Retrieved 2026-04-06
PubChem · compound 22842Retrieved 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. Acid Yellow 17, disodium salt (CAS 6359-98-4) https://chemicalindependence.com/chemical/6359-98-4/ EPA CompTox (DSSTox): DTXSID6041719. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID6041719 PubChem: 22842. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/22842 EPA Chemical Data Reporting: 6359-98-4. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 6359-98-4. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 320412 for CAS 6359-98-4. Reporting year: 2024. https://usatrade.census.gov/