Potassium ethyl xanthate

CAS 140-89-6

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

US productionZero

Import value, 2024$760M

Import volume365.0K lb

Import dependency100%

Top sourceChina 33%

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.

Potassium ethyl xanthate · US import value by year

2013: $743M · Peak 2022: $984M · 2024: $760M · 2025: $751M

Where It Comes From

Customs basis: HS 293090 · basket

EPA reports by year

2023: US production Not published · Imports Not published
2019: US production Zero · Imports 365.0K lb

These shares come from HS customs code 293090, which covers 418 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).

CN 33%ChinaES 14%SpainCH 9%SwitzerlandIT 7%ItalyIN 7%India

Israel
Croatia
Ukraine
Slovakia
United Arab Emirates
Ireland
Poland
Lithuania
Brazil
Singapore
Australia
Armenia
Hong Kong
Vietnam
Czech Republic
Hungary
Greece
Russia

EPA-registered importers (2)

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

Teck Resources · CA Canada

Teck American Incorporated

Why It Matters

Sectors

Metals & Mining

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

•Solids separation agents in Mining (except Oil and Gas) and support activities (100%)Processing as a reactant

Vendor Pricing

$0.07/gAaron Chemicals LLC

CountryHong Kong

Pack$344.00 / 5 kg

Purity99%

Vendors13 available

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

12 more vendors

Vendor	Country	$/g	Pack	Purity
A2B Chem LLC	United States	$0.18	500 g	90%
AA BLOCKS	United States	$0.23	500 g	90%
Fluorochem UK	United Kingdom	$0.46	25 g	80%
Sigma-Aldrich (Rush Stock)	Germany	$0.63	500 g	96%
Sigma-Aldrich	Germany	$0.63	500 g	96%
Apollo Scientific UK	United Kingdom	$0.83	500 g	97%
Otava, Ltd.	Ukraine	$2280.00	50 mg	95%
Otava, Ltd. (2 weeks)	Ukraine	$2724.00	50 mg	95%
Princeton BioMolecular Research (SC)	United States	$2900.00	100 mg	90%
Vitas M Chemical Limited	Hong Kong	$3170.00	100 mg	90%
Angene	China → Hong Kong	$4266.67	30 mg	99%
Interbioscreen	Hong Kong	$4864.50	100 mg	95%

Chemical Identity

CAS140-89-6

PubChem CID2735045

DTXSIDDTXSID6042315

FormulaC3H5KOS2

Mol. Weight160.3 g/mol

SMILESCCOC(=S)[S-].[K+]

Data Sources

EPA CompTox (DSSTox) · DTXSID6042315Retrieved 2026-04-06
PubChem · compound 2735045Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04
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

Potassium ethyl xanthate (CAS 140-89-6) https://chemicalindependence.com/chemical/140-89-6/ EPA CompTox (DSSTox): DTXSID6042315. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID6042315 PubChem: 2735045. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/2735045 EPA Chemical Data Reporting: 140-89-6. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 140-89-6. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 293090 for CAS 140-89-6. Reporting year: 2024. https://usatrade.census.gov/