Trifluoroethylene (HFC=CF2)
Trifluoroethylene is a fluorinated monomer used in copolymer production for specialty elastomers and electronic materials. Classified under HTS 2903.59.90.00 as an unsaturated fluorinated acyclic hydrocarbon derivative. Chapter 29 note (a) applies to this separate chemically defined compound.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If vinyl fluoride rather than trifluoroethylene
Monofluorinated vinyl compounds have specific subheadings.
If pre-polymerized into fluoroelastomers
Polymerized products shift to plastics chapter based on degree of polymerization.
If classified by specific isomer configuration
Different geometric isomers may have enumerated statistical suffixes.
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Import Tips & Compliance
• Provide polymerization inhibitor certificates showing stabilizer content
• Comply with NFPA 45 laboratory storage requirements documentation
• Ensure inhibitor levels maintained per manufacturer's specifications to prevent auto-polymerization
Related Products under HTS 2903.59.90.00
Perfluorobutene (C4F8)
Perfluorobutene is an unsaturated fluorinated acyclic hydrocarbon used primarily in plasma etching processes for semiconductor manufacturing. It falls under HTS 2903.59.90.00 as a halogenated derivative of hydrocarbons, specifically an unsaturated fluorinated derivative of acyclic hydrocarbons, not elsewhere specified. This chemically defined organic compound meets Chapter 29 note (a) for separate compounds.
Perfluoro-1-butene
Perfluoro-1-butene is a fully fluorinated C4 alkene used in chemical synthesis and as a reactive intermediate for fluoropolymer production. Classified under HTS 2903.59.90.00 as an 'other' unsaturated fluorinated derivative of acyclic hydrocarbons per Chapter 29 scope. Its complete fluorination distinguishes it from partially halogenated hydrocarbons.
1H-Pentafluoropropene (HFO-1234yf)
HFO-1234yf is a low-GWP hydrofluoroolefin refrigerant used in automotive air conditioning systems as a replacement for HFC-134a. It qualifies under HTS 2903.59.90.00 as an unsaturated fluorinated derivative of acyclic hydrocarbons with hydrogen substitution. Meets Chapter 29 definition for halogenated organic compounds.
Perfluoropentene (C5F10)
Perfluoropentene serves as a specialty gas for plasma cleaning and etching in microelectronics fabrication. Falls under HTS 2903.59.90.00 as an unsaturated fluorinated acyclic hydrocarbon per Chapter 29 note (a). Its complete perfluorination excludes it from partially halogenated hydrocarbon classifications.
Pentafluoropropene (C3F6)
Pentafluoropropene functions as an etching gas in semiconductor manufacturing and as a reactive intermediate. It meets HTS 2903.59.90.00 criteria as an 'other' unsaturated fluorinated acyclic hydrocarbon. Excluded from colorants, enzymes, or fuels per Chapter 29 exclusion notes.
Heptafluoropentene
Heptafluoropentene acts as a deposition precursor in chemical vapor deposition for fluorocarbon films. Classified HTS 2903.59.90.00 as unsaturated fluorinated acyclic hydrocarbon per Chapter 29 scope. Pure compound status confirmed by spectroscopic analysis.