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Chlorthal-dimethyl

CAS 1861-32-1

Molecular structure of 1861-32-1
US productionNot reported
Import value, 2024$762M
Top sourceChina 21%

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

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 291739, 380893 · basket

These shares come from HS customs code 291739, 380893, which covers 123 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CN 21%ChinaIN 15%IndiaDE 9%GermanyKR 9%South KoreaCO 8%Colombia

Why It Matters

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

Chemical Identity

CAS1861-32-1
PubChem CIDNot recorded
DTXSIDDTXSID0024000
FormulaC10H6Cl4O4
Mol. Weight331.95 g/mol
SMILESCOC(=O)C1=C(Cl)C(Cl)=C(C(=O)OC)C(Cl)=C1Cl

Data Sources

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Brief citations

Chlorthal-dimethyl (CAS 1861-32-1) https://chemicalindependence.com/chemical/1861-32-1/ EPA CompTox (DSSTox): 1861-32-1. Retrieved 2026-04-29. https://comptox.epa.gov/dashboard/chemical/details/DTXSID0024000 US Census international trade: HS 291739,380893 for CAS 1861-32-1. Reporting year: 2024. https://usatrade.census.gov/