Production of monofluorotrichloroethane

Details Production of monofluorotrichloroethane Production of monofluorotrichloroethane

1981-10-22

1983-05-10

Warren, Charles F.

Organic compounds -- part of the class 532-570 series

Organic compounds

Halogen containing

570168, C07C 1700

Patent

active

043831281

ABSTRACT:
1-Fluoro-1,1,2-trichloroethane is produced by a process which comprises the reaction of trichloroethylene with hydrogen fluoride using about 1.5 to 3.5 moles of hydrogen fluoride per mole of trichloroethylene, and conducting the reaction in the presence of a catalyst selected from the group consisting of CF.sub.3 SO.sub.3 H, TiCl.sub.4, MoCl.sub.5, WF.sub.6, NbCl.sub.5 and SnCl.sub.4 at a temperature in the range of 50.degree. to 150.degree. C. with a residence time of one quarter hour to five hours. The resulting product is relatively pure of overfluorinated by-products so as to be useful as a degreasing solvent.

REFERENCES:
patent: 2462359 (1949-02-01), Calfee et al.
patent: 3413362 (1968-11-01), Otaku

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