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Chlorophacinone

CAS 3691-35-8

Molecular structure of 3691-35-8
US productionNot reported
Import value, 2024$175M
Top sourceIndia 48%

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 291479 · basket

These shares come from HS customs code 291479, which covers 95 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
IN 48%IndiaCN 20%ChinaMX 19%MexicoDE 10%GermanyFI 2%Finland

Why It Matters

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

Chemical Identity

CAS3691-35-8
PubChem CIDNot recorded
DTXSIDDTXSID2032348
FormulaC23H15ClO3
Mol. Weight374.82 g/mol
SMILESClC1=CC=C(C=C1)C(C(=O)C1C(=O)C2=C(C=CC=C2)C1=O)C1=CC=CC=C1

Data Sources

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Brief citations

Chlorophacinone (CAS 3691-35-8) https://chemicalindependence.com/chemical/3691-35-8/ EPA CompTox (DSSTox): 3691-35-8. Retrieved 2026-04-29. https://comptox.epa.gov/dashboard/chemical/details/DTXSID2032348 US Census international trade: HS 291479 for CAS 3691-35-8. Reporting year: 2024. https://usatrade.census.gov/