Hexafluoropropylene

Hexafluoropropylene

Hexafluoropropylene

Chemical compound

Hexafluoropropylene is the fluoroalkene with the formula CF3CF=CF2. It is the perfluorocarbon counterpart to the hydrocarbon propylene. It is mainly used to produce copolymers with tetrafluoroethylene. Hexafluoropropylene is used as a chemical intermediate.[1]

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Preparation

Hexafluoropropylene can be produced by pyrolysis of tetrafluoroethylene:[1][2]

3 CF2=CF2 → 2 CF3CF=CF2

It can also be prepared from chlorodifluoromethane, or produced from various chlorofluorocarbons.[3]

References

  1. [1]
    Siegemund, Günter; Schwertfeger, Werner; Feiring, Andrew; Smart, Bruce; Behr, Fred; Vogel, Herward; McKusick, Blaine; Kirschtitle=Fluorine Compounds, Organic, Peer (2016). Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a11_349.pub2. ISBN 978-3527306732.
  2. [2]
    Lehmler, HJ (March 2005). "Synthesis of environmentally relevant fluorinated surfactants—a review". Chemosphere. 58 (11): 1471–96. Bibcode:2005Chmsp..58.1471L. doi:10.1016/j.chemosphere.2004.11.078. PMID 15694468.
  3. [3]
    United States patent (expires 5-20-2020) 5043491A, James L. Webster, Elrey L. McCann, Douglas W. Bruhnke, Jan J. Lerou, "Multistep synthesis of hexafluoropropylene", published 1991-08-27, issued 1991-08-27, assigned to E. I. Du Pont de Nemours and Company
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