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general/perfluoroalkanes

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Perfluorooctane

Perfluorooctane, also known as octadecafluorooctane, is a fluorocarbon liquid—a perfluorinated derivative of the hydrocarbon octane. It can be a good substitute for insulating oil in high voltage electronics. In addition to heat transfer applications, it has also been used as a breathable fluid in partial liquid ventilation.

Production

Perfluorooctane can be produced by the Fowler process or by electrochemical fluorination.

Fowler process

The Fowler process involves moderating the action of elemental fluorine with cobalt fluoride in the gas phase from octane.

Electrochemical fluorination

Electrolysis in hydrogen fluoride of nonanoic acid will produce both perfluorononanoic acid and perfluorooctane. Perfluorooctane manufactured this way is marketed under the name PF5080 (or FC77) by 3M as part of their Fluorinert range of heat transfer fluids.

Applications

Perfluorooctane is chemically inert, but has useful physical properties, leading to its employment in diverse areas:

  • Heat transfer agent
  • Dielectric fluid
  • Tamponade in eye surgery

References

References

  1. [http://www.sigmaaldrich.com/catalog/search/ProductDetail/ALDRICH/359238 Perfluorooctane] at [[Sigma-Aldrich]]
  2. H. Proquitté. (2003). "Breathing gas perfluorocarbon measurements using an absorber filled with zeolites". British Journal of Anaesthesia.
  3. "3M Performance Fluid PF-5080". 3M.
  4. "Tradeline Medical - Buy Medical Grade Perfluorooctane".
  5. (1992). "Retinal detachment surgery following implantation of a keratoprosthesis. A case report.". Bulletin de la Société Belge d'Ophtalmologie.
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perfluoroalkanes halogenated-solvents coolants
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