Spiromesifen

CAS 283594-90-1

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

CAS283594-90-1

PubChem CIDNot recorded

DTXSIDDTXSID1034929

FormulaC23H30O4

Mol. Weight370.489 g/mol

SMILESCC1=CC(C)=C(C2=C(OC(=O)CC(C)(C)C)C3(CCCC3)OC2=O)C(C)=C1

Data Sources

EPA CompTox (DSSTox) · DTXSID1034929Retrieved 2026-04-29
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

Spiromesifen (CAS 283594-90-1) https://chemicalindependence.com/chemical/283594-90-1/ EPA CompTox (DSSTox): 283594-90-1. Retrieved 2026-04-29. https://comptox.epa.gov/dashboard/chemical/details/DTXSID1034929 US Census international trade: HS 293220 for CAS 283594-90-1. Reporting year: 2024. https://usatrade.census.gov/