Thiocarbazide

CAS 2231-57-4

US productionNot reported

Import value, 2024$760M

Top sourceChina 33%

EPA lists this chemical for 2019 but publishes zero or no volume for both production and imports.

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.

Where It Comes From

Customs basis: HS 293090 · basket

EPA reports by year

2019: US production Not published · Imports Not published

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

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.

Bayer Us Holding

Why It Matters

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

Vendor Pricing

$3.66/gSigma-Aldrich (Rush Stock)

CountryGermany

Pack$91.49 / 25 g

Purity98%

Vendors5 available

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

4 more vendors

Vendor	Country	$/g	Pack	Purity
Sigma-Aldrich	Germany	$3.66	25 g	98%
ALFA AESAR	Germany	$9.98	5 g	97%
Otava, Ltd.	Ukraine	$20.00	1 g	95%
TimTec, LLC (back-ordered)	United States	$32000.00	15 mg	94%

Chemical Identity

CAS2231-57-4

PubChem CID2724189

DTXSIDDTXSID7027461

FormulaCH6N4S

Mol. Weight106.15 g/mol

SMILESC(=S)(NN)NN

Data Sources

EPA CompTox (DSSTox) · DTXSID7027461Retrieved 2026-04-06
PubChem · compound 2724189Retrieved 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

Thiocarbazide (CAS 2231-57-4) https://chemicalindependence.com/chemical/2231-57-4/ EPA CompTox (DSSTox): DTXSID7027461. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID7027461 PubChem: 2724189. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/2724189 EPA Chemical Data Reporting: 2231-57-4. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 293090 for CAS 2231-57-4. Reporting year: 2024. https://usatrade.census.gov/