Hoechst Aktiengesellschaft

Friedhelm Bylsma

Klaus Gehrmann

Alexander Ohorodnik

Stefan Schafer

Wernfried Riechmann

Karl-Heinz Steil

Production of methyldichlorophosphane. The compound is made by reacting methane and phosphorus trichloride in a reaction zone in which a temperature higher than 500.degree. C is maintained. More specifically, hot reaction gas coming from the reaction zone is mechanically freed from solid matter, and the reaction gas freed from solid matter is passed to a quenching zone in which it is quenched with liquefied reaction mixture having 0.3 to 5 weight % of an organic barium compound or a non-ionic surfactant dissolved therein.

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Erftstadt, Germany

Friedhelm Bylsma