Butane, 2,2,3-trichloro-1,1,1,3,4,4,4-heptafluoro-

CAS 335-44-4

Molecular structure of 335-44-4
US productionNot reported
Import value, 2024$11M
Top sourceChina 92%

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 290377 · basket

These shares come from HS customs code 290377, which covers 14 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CN 92%ChinaKR 4%South KoreaCA 3%CanadaJP 1%Japan

Why It Matters

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

Vendor Pricing

$1.95/gCombi-Blocks, Inc.
CountryUnited States
Pack$195.00 / 100 g
Purity95%
Vendors8 available

Prices reflect listed pack sizes. Small research packs run far above bulk rates.

Chemical Identity

CAS335-44-4
PubChem CIDNot recorded
DTXSIDDTXSID20871633
FormulaC4Cl3F7
Mol. Weight287.38 g/mol
SMILESFC(F)(F)C(F)(Cl)C(Cl)(Cl)C(F)(F)F

Data Sources

Brief citations

Butane, 2,2,3-trichloro-1,1,1,3,4,4,4-heptafluoro- (CAS 335-44-4) https://chemicalindependence.com/chemical/335-44-4/ EPA TSCA Inventory: CAS 335-44-4. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 290377 for CAS 335-44-4. Reporting year: 2024. https://usatrade.census.gov/