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Pyroxasulfone

CAS 447399-55-5

Molecular structure of 447399-55-5
US productionNot reported
Import value, 2024$6.4B
Top sourceSingapore 36%

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 293499 · basket

These shares come from HS customs code 293499, which covers 575 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
SG 36%SingaporeIE 23%IrelandCN 11%ChinaCH 6%SwitzerlandIN 5%India

Why It Matters

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

Chemical Identity

CAS447399-55-5
PubChem CIDNot recorded
DTXSIDDTXSID4058104
FormulaC12H14F5N3O4S
Mol. Weight391.31 g/mol
SMILESCN1N=C(C(CS(=O)(=O)C2=NOC(C)(C)C2)=C1OC(F)F)C(F)(F)F

Data Sources

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Brief citations

Pyroxasulfone (CAS 447399-55-5) https://chemicalindependence.com/chemical/447399-55-5/ EPA CompTox (DSSTox): 447399-55-5. Retrieved 2026-04-29. https://comptox.epa.gov/dashboard/chemical/details/DTXSID4058104 US Census international trade: HS 293499 for CAS 447399-55-5. Reporting year: 2024. https://usatrade.census.gov/