Fipronil

CAS 120068-37-3

US productionNot reported

Import value, 2024$1.1B

Top sourceSwitzerland 31%

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 293319, 380891 · basket

These shares come from HS customs code 293319, 380891, which covers 142 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).

CH 31%SwitzerlandDE 27%GermanyIN 11%IndiaMX 6%MexicoCN 6%China

United Kingdom
Vietnam
Netherlands
Austria
Malaysia
Spain
Dominican Republic
Sweden
Czech Republic
Portugal
Ukraine
Colombia
Philippines
New Zealand
Turkey
Peru
Uruguay
Costa Rica
Kenya
Slovenia
Monaco
Slovakia
South Africa
Belgium
El Salvador
Australia
Chile
Panama
Hong Kong
Croatia
Latvia

Why It Matters

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

Chemical Identity

CAS120068-37-3

PubChem CIDNot recorded

DTXSIDDTXSID4034609

FormulaC12H4Cl2F6N4OS

Mol. Weight437.14 g/mol

SMILESNC1=C(C(=NN1C1=C(Cl)C=C(C=C1Cl)C(F)(F)F)C#N)S(=O)C(F)(F)F

Data Sources

EPA CompTox (DSSTox) · DTXSID4034609Retrieved 2026-04-29
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

Fipronil (CAS 120068-37-3) https://chemicalindependence.com/chemical/120068-37-3/ EPA CompTox (DSSTox): 120068-37-3. Retrieved 2026-04-29. https://comptox.epa.gov/dashboard/chemical/details/DTXSID4034609 US Census international trade: HS 293319,380891 for CAS 120068-37-3. Reporting year: 2024. https://usatrade.census.gov/