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S-Ethyl chlorothioformic acid

CAS 2941-64-2

Carbonochloridothioic acid, S-ethyl ester

Molecular structure of 2941-64-2
US productionNot reported
Import value, 2024$760M
Top sourceChina 33%

This chemical is listed as active in US commerce, but no company reported it to EPA’s survey for 2019 or 2023. Sites may have made or imported less than the threshold amount, or none.

Why supply is unknown

Production is reported production, not a complete census of factories. 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

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

Why It Matters

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

Chemical Identity

CAS2941-64-2
PubChem CIDNot recorded
DTXSIDDTXSID6025278
FormulaC3H5ClOS
Mol. Weight124.58 g/mol
SMILESCCSC(Cl)=O

Data Sources

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Brief citations

S-Ethyl chlorothioformic acid (CAS 2941-64-2) https://chemicalindependence.com/chemical/2941-64-2/ EPA TSCA Inventory: CAS 2941-64-2. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 293090 for CAS 2941-64-2. Reporting year: 2024. https://usatrade.census.gov/