Preparation of 1,1,1-trifluoro-2,2-dichloroethane

Details Preparation of 1,1,1-trifluoro-2,2-dichloroethane Preparation of 1,1,1-trifluoro-2,2-dichloroethane

1976-12-21

1977-11-29

Sebastian, Leland A.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

252305, B01J 110

Patent

active

040604691

ABSTRACT:
1,1,1-trifluoro-2,2-dichloroethane [CF.sub.3 CHCl.sub.2 ] is prepared by contacting 1,1,1-trifluoro-2-chloroethane [CF.sub.3 CH.sub.2 Cl] with a less than molar equivalent of chlorine under conditions of photochemical chlorination. The CF.sub.3 CHCl.sub.2 is recovered substantially devoid of contaminating 1,1,1-trifluoro-2,2,2-trichloroethane [CF.sub.3 CCl.sub.3 ] by-product.

REFERENCES:
patent: 3823195 (1974-07-01), Smith

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