Propetamphos

CAS 31218-83-4

US productionNot reported

Import value, 2024$133M

Top sourceChina 47%

This chemical is not on EPA’s Toxic Substances Control Act inventory, the list behind EPA’s production survey.

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 292990 · basket

These shares come from HS customs code 292990, which covers 38 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 47%ChinaDE 20%GermanyIN 14%IndiaGB 4%United KingdomKR 4%South Korea

Canada
Spain
Taiwan
Malaysia
Mexico
Ukraine
Netherlands
Russia
Latvia
Ireland
Australia
Sweden
Austria
Lithuania

Why It Matters

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

Chemical Identity

CAS31218-83-4

PubChem CIDNot recorded

DTXSIDDTXSID7032470

FormulaC10H20NO4PS

Mol. Weight281.31 g/mol

SMILESCCNP(=S)(OC)O\C(C)=C\C(=O)OC(C)C

Data Sources

EPA CompTox (DSSTox) · DTXSID7032470Retrieved 2026-04-29
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

Propetamphos (CAS 31218-83-4) https://chemicalindependence.com/chemical/31218-83-4/ EPA CompTox (DSSTox): 31218-83-4. Retrieved 2026-04-29. https://comptox.epa.gov/dashboard/chemical/details/DTXSID7032470 US Census international trade: HS 292990 for CAS 31218-83-4. Reporting year: 2024. https://usatrade.census.gov/