Method of making chlorinated hydrocarbons

Details Method of making chlorinated hydrocarbons Method of making chlorinated hydrocarbons

1997-07-01

1998-06-30

Siegel, Alan

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

Organic compounds

Halogen containing

570246, 20415795, C07C 1710

Patent

active

057736731

ABSTRACT:
Disclosed is a method of making chlorinated hydrocarbons. A mixture is prepared of a hydrocarbon or partially chlorinated hydrocarbon from C.sub.18 to C.sub.30 and either benzotrifluoride or parachlorobenzotrifluoride in an amount sufficient to liquefy the mixture at the chlorination temperature. The mixture is heated to a temperature of about 50.degree. to 100.degree. C. and sufficient chlorine gas is passed therethrough in the presence of UV light to form a chlorinated hydrocarbon that is about 60 to about 80 wt. % chlorine. One part by weight of the composition is added to at least two parts by weight per part of a C.sub.1 to C.sub.6 monohydric alcohol, which results in the precipitation of the chlorinated hydrocarbon. The precipitated chlorinated hydrocarbon can be removed from the composition by, for example, filtration.

REFERENCES:
patent: 3070636 (1962-12-01), Kieras
patent: 3349008 (1967-10-01), Vives
patent: 3541164 (1970-11-01), Washall
patent: 3544641 (1970-12-01), Versnel
patent: 3560373 (1971-02-01), Washall
patent: 5495058 (1996-02-01), Stevenson et al.

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