Spirodiclofen

CAS 148477-71-8

US productionNot reported

Import value, 2024$286M

Top sourceChina 48%

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 293220 · basket

These shares come from HS customs code 293220, which covers 151 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 48%ChinaIN 15%IndiaJP 7%JapanGB 7%United KingdomCH 7%Switzerland

Mexico
Austria
Indonesia
Czech Republic
Slovakia
Malaysia
Israel
Poland
Vietnam
Ukraine
South Africa
Singapore
Russia
Lithuania
Hungary
Belarus
Brazil
Australia

Why It Matters

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

Chemical Identity

CAS148477-71-8

PubChem CIDNot recorded

DTXSIDDTXSID6034928

FormulaC21H24Cl2O4

Mol. Weight411.32 g/mol

SMILESCCC(C)(C)C(=O)OC1=C(C(=O)OC11CCCCC1)C1=CC=C(Cl)C=C1Cl

Data Sources

EPA CompTox (DSSTox) · DTXSID6034928Retrieved 2026-04-29
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

Spirodiclofen (CAS 148477-71-8) https://chemicalindependence.com/chemical/148477-71-8/ EPA CompTox (DSSTox): 148477-71-8. Retrieved 2026-04-29. https://comptox.epa.gov/dashboard/chemical/details/DTXSID6034928 US Census international trade: HS 293220 for CAS 148477-71-8. Reporting year: 2024. https://usatrade.census.gov/