Chlorinated hydrocarbons

Details Chlorinated hydrocarbons Chlorinated hydrocarbons

1975-03-07

1976-11-23

Horwitz, D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260654S, C07C 2108

Patent

active

039937054

ABSTRACT:
Vinylidene chloride containing dichloroacetylene as an impurity is purified by treatment with a solution of a sulphide, polysulphide or hydrosulphide, for example an aqueous solution of ammonium hydrosulphide, sodium hydrosulphide or potassium hydrosulphide. The impure vinylidene chloride may be treated with the solution of sulphide, hydrosulphide, or polysulphide after isolation from the reaction mixture in which it is formed, or the vinylidene chloride may be treated in situ in the reaction mixture before isolation.

REFERENCES:
patent: 2418109 (1947-04-01), Sconce
patent: 3595928 (1971-07-01), Rideout et al.
patent: 3725486 (1973-04-01), McCracken et al.
patent: 3751495 (1973-08-01), Seyferth

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