Clariant Corporation

Norbert Paul

Hans-Bodo Richter

Rudolf Huber

Continuous process for the preparation of pentafluoroethyl iodide from iodine, iodine pentafluoride and tetrafluoroethylene, which comprises dissolving the iodine in iodine pentafluoride and continuously feeding the resulting solution to a vertical bubble column ( ), which is filled with iodine pentafluoride and at its lower end has a feed line for tetrafluoroethylene, where the reaction zone is maintained at from 85 to 95&deg; C., preferably 90&deg; C., and the pentafluoroethyl iodide formed escapes in gaseous form at the top of the reactor ( ), is liquefied in a downstream cooled condenser and is drawn off into storage vessels.

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Burgkirchen, Germany

Norbert Paul