C.I. Acid Yellow 36, monosodium salt

CAS 587-98-4

Companies reported imports and no US production of this chemical to EPA for 2019.

US productionZero

Import value, 2024$56M

Import volume27.2K lb

Import dependency100%

Top sourceIndia 70%

Production is reported production, not a complete census of factories. Production reporting year: 2019. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

C.I. Acid Yellow 36, monosodium salt · US import value by year

2013: $63M · Peak 2022: $90M · 2024: $56M · 2025: $58M

Where It Comes From

Customs basis: HS 320412 · basket

EPA reports by year

2019: US production Zero · Imports 27.2K lb

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

No EPA sector or FDA product records name a use for this chemical.

Vendor Pricing

$0.07/gAaron Chemicals LLC

CountryHong Kong

Pack$34.00 / 500 g

PurityNot recorded

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	$0.15	10 kg	—
Molnova	China	$834.00	500 mg	99%

Chemical Identity

CAS587-98-4

PubChem CID3935589

DTXSIDDTXSID5041722

FormulaC18H14N3NaO3S

Mol. Weight375.4 g/mol

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

Data Sources

EPA CompTox (DSSTox) · DTXSID5041722Retrieved 2026-04-06
PubChem · compound 3935589Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

C.I. Acid Yellow 36, monosodium salt (CAS 587-98-4) https://chemicalindependence.com/chemical/587-98-4/ EPA CompTox (DSSTox): DTXSID5041722. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID5041722 PubChem: 3935589. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/3935589 EPA Chemical Data Reporting: 587-98-4. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 320412 for CAS 587-98-4. Reporting year: 2024. https://usatrade.census.gov/