DE2038464

1322614 Halogenated methanes FARBWERKE HOECHST AG 2 Aug 1971 [3 Aug 1970] 36258/71 Heading C2C Compounds of formula CF 3 Cl, CF 2 Cl 2 , CFCl 3 and CCl 4 , are prepared by reacting one or more aromatic hydrocarbons and/or chloro-substitution products thereof, with Cl 2 and HF, at a temperature of 40...

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Bibliographic Details
Main Authors QUADFLIEG, THERESE. DR., 6233 KELKHEIM, RIEMENSCHNEIDER, WILHELM. DR., 6230 FRANKFURT
Format Patent
LanguageEnglish
Published 28.02.1974
Edition1
Subjects
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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Summary:1322614 Halogenated methanes FARBWERKE HOECHST AG 2 Aug 1971 [3 Aug 1970] 36258/71 Heading C2C Compounds of formula CF 3 Cl, CF 2 Cl 2 , CFCl 3 and CCl 4 , are prepared by reacting one or more aromatic hydrocarbons and/or chloro-substitution products thereof, with Cl 2 and HF, at a temperature of 400-800‹ C. and a pressure of 50-800 atm. gauge. Exemplified hydrocarbons are benzene and monochlorobenzene. The reactor may have a preliminary reaction zone, at a temperature less than 400‹ C., containing a liquid sump of hexachlorobenzene, into which the reactants are pumped, preferably in the liquid state.
Bibliography:Application Number: DE19702038464