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Halogenated derivatives of hydrocarbons. > Unsaturated fluorinated derivatives of acyclic hydrocarbons: > Other > Other
Duty Rate (from China)
Subheadings
Products classified under Tariff item 2903.59
1,1,1,2,3,4,4,5,5,5-Decafluoropent-2-ene (trans)
1,1,1,2,3,4,4,5,5,5-Decafluoropent-2-ene (trans) is a fluorinated alkene used as a heat transfer fluid and dielectric gas. As an unsaturated fluorinated derivative of an acyclic hydrocarbon, it falls under tariff item 2903.59.00.
2903.59.001,1,3,3,3-Pentafluoro-2-(trifluoromethyl)-prop-1-ene
1,1,3,3,3-Pentafluoro-2-(trifluoromethyl)-prop-1-ene is a fluorinated alkene, specifically an unsaturated fluorinated derivative of an acyclic hydrocarbon. Its chemical structure, with multiple fluorine atoms and a double bond, places it within the scope of tariff item 2903.59.00 as an 'Other' halogenated derivative.
2903.59.001,1,3,3,3-Pentafluoropropene
1,1,3,3,3-Pentafluoropropene is an isomer of pentafluoropropene used as a building block for fluorinated surfactants and specialty chemicals. As an unsaturated fluorinated derivative of an acyclic hydrocarbon, it is classified under tariff item 2903.59.00.
2903.59.001H-Pentafluoropropene (HFO-1234yf)
1H-Pentafluoropropene (HFO-1234yf) is a low-GWP hydrofluoroolefin refrigerant used in automotive air conditioning systems as a replacement for HFC-134a. As an unsaturated fluorinated derivative of an acyclic hydrocarbon, it falls under tariff item 2903.59.00.
2903.59.002H-Heptafluoropropene
2H-Heptafluoropropene is a monomer used for fluorinated acrylic polymers. As an unsaturated fluorinated derivative of an acyclic hydrocarbon, it is classified under tariff item 2903.59.00. Its strategic hydrogen placement distinguishes it from perfluorocarbons.
2903.59.00Heptafluoropentene
Heptafluoropentene is a fluorinated alkene used as a deposition precursor in chemical vapor deposition for fluorocarbon films. As an unsaturated fluorinated derivative of an acyclic hydrocarbon, it is classified under tariff item 2903.59.00.
2903.59.00HFO-1234ze Pure Technical Grade
HFO-1234ze Pure Technical Grade is high-purity 1,1,3,3,3-Pentafluoro-2-(trifluoromethyl)-prop-1-ene, an unsaturated fluorinated hydrocarbon. It is used as a low-GWP refrigerant and foam blowing agent, and its chemical identity as a fluorinated alkene places it under tariff item 2903.59.00.
2903.59.00HFO-1234ze with Stabilizer Additive
HFO-1234ze with Stabilizer Additive is 1,1,3,3,3-Pentafluoro-2-(trifluoromethyl)-prop-1-ene containing a stabilizer necessary for preservation during transport. Per Chapter 29 Note 1(f), the addition of a stabilizer does not change the classification, so it remains under tariff item 2903.59.00.
2903.59.00Nonafluoropentene
Nonafluoropentene is a fluorinated alkene with high fluorine content used in plasma polymerization applications. As an unsaturated fluorinated derivative of an acyclic hydrocarbon, it falls under tariff item 2903.59.00. Chapter 29 Note 1(g) permits trace stabilizers without affecting classification.
2903.59.00Pentafluoropropene (C3F6)
Pentafluoropropene (C3F6) is a fluorinated alkene used as an etching gas in semiconductor manufacturing and as a reactive intermediate. As an unsaturated fluorinated derivative of an acyclic hydrocarbon, it is classified under tariff item 2903.59.00.
2903.59.00Perfluoro-1-butene
Perfluoro-1-butene is a fully fluorinated C4 alkene used in chemical synthesis and as a reactive intermediate for fluoropolymer production. As an unsaturated fluorinated derivative of an acyclic hydrocarbon, it falls under tariff item 2903.59.00.
2903.59.00Perfluoro-2-pentene
Perfluoro-2-pentene is a fluorinated alkene used as a selective etchant for advanced semiconductor nodes. As an unsaturated fluorinated derivative of an acyclic hydrocarbon, it is classified under tariff item 2903.59.00.
2903.59.00Perfluorobutene (C4F8)
Perfluorobutene (C4F8) is an unsaturated fluorinated acyclic hydrocarbon used primarily in plasma etching processes for semiconductor manufacturing. As a halogenated derivative of hydrocarbons, it falls under tariff item 2903.59.00.
2903.59.00Perfluorohexene (C6F12)
Perfluorohexene (C6F12) is an unsaturated fluorinated acyclic hydrocarbon used in fluorocarbon plasma deposition for optical coatings. It is a separate chemically defined organic compound, and any transport solvent is solely for safety or transport, per Chapter 29 Note 1(e). It is classified under tariff item 2903.59.00 as an 'Other' unsaturated fluorinated derivative of acyclic hydrocarbons.
2903.59.00Perfluoroisobutene (PFIB)
Perfluoroisobutene (PFIB) is a branched unsaturated fluorinated acyclic hydrocarbon used as a chemical intermediate, despite its high toxicity requiring special handling. It is a separate chemically defined organic compound, and any added substances for identification or safety are permitted under Chapter 29 Note 1(g). It is classified under tariff item 2903.59.00 as an 'Other' unsaturated fluorinated derivative.
2903.59.00Perfluoropentene (C5F10)
Perfluoropentene (C5F10) is a specialty gas used for plasma cleaning and etching in microelectronics fabrication. As an unsaturated fluorinated acyclic hydrocarbon, it is a separate chemically defined organic compound under Chapter 29 Note 1(a). It is classified under tariff item 2903.59.00 as an 'Other' derivative.
2903.59.00Research Grade HFO-1234ze
Research Grade HFO-1234ze is ultra-high purity 1,1,3,3,3-Pentafluoro-2-(trifluoromethyl)-prop-1-ene intended for laboratory research and synthesis of fluoropolymers. As an unsaturated fluorinated derivative of an acyclic hydrocarbon, it is classified under tariff item 2903.59.00.
2903.59.00Trans-HFO-1234ze Isomer
Trans-HFO-1234ze Isomer is the trans stereoisomer of 1,1,3,3,3-Pentafluoro-2-(trifluoromethyl)-prop-1-ene. As an unsaturated fluorinated derivative of an acyclic hydrocarbon, it falls under tariff item 2903.59.00, regardless of its stereochemical configuration.
2903.59.00Trifluoroethylene (HFC=CF2)
Trifluoroethylene (HFC=CF2) is a fluorinated monomer used in copolymer production for specialty elastomers and electronic materials. It is an unsaturated fluorinated acyclic hydrocarbon, a separate chemically defined organic compound under Chapter 29 Note 1(a). It is classified under tariff item 2903.59.00 as an 'Other' derivative.
2903.59.00Undecafluoropentene
Undecafluoropentene functions in fluoropolymer surface modification processes. It is an unsaturated fluorinated acyclic hydrocarbon, a separate chemically defined organic compound under Chapter 29 Note 1(a). It is classified under tariff item 2903.59.00 as an 'Other' derivative.