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Perfluorobut-2-ene

CAS 360-89-4

2-Butene, 1,1,1,2,3,4,4,4-octafluoro-

Molecular structure of 360-89-4
US productionNot reported
Import value, 2024$48M
Top sourceChina 36%

This chemical is listed as active in US commerce, but no company reported it to EPA’s survey for 2019 or 2023. Sites may have made or imported less than the threshold amount, or none.

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 290359 · basket

These shares come from HS customs code 290359, which covers 16 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CN 36%ChinaDE 35%GermanyJP 21%JapanKR 5%South KoreaIN 1%India

Why It Matters

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

Chemical Identity

CAS360-89-4
PubChem CIDNot recorded
DTXSIDDTXSID3059890
FormulaC4F8
Mol. Weight200.031 g/mol
SMILESFC(=C(F)C(F)(F)F)C(F)(F)F

Data Sources

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Brief citations

Perfluorobut-2-ene (CAS 360-89-4) https://chemicalindependence.com/chemical/360-89-4/ EPA TSCA Inventory: CAS 360-89-4. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 290359 for CAS 360-89-4. Reporting year: 2024. https://usatrade.census.gov/