Process for preparing cyanogen halides

Details Process for preparing cyanogen halides Process for preparing cyanogen halides

1974-05-21

1977-05-17

Edmundson, F.C.

Chemistry: electrical and wave energy

Processes and products

423371, 423379, 423383, C25B 124, C25B 126, C01C 300

Patent

active

040240339

ABSTRACT:
Cyanogen halides, particularly cyanogen bromide and cyanogen chloride, are prepared in an electrolysis cell with cathode and anode chambers separated by a semi-permeable diaphragm, by reacting halide ions with hydrogen cyanide or a salt thereof in the anode chamber by means of a direct current, the pH value of the reactant in the anode chamber being lower than 4.

REFERENCES:
patent: 631468 (1899-08-01), Kellner
patent: 984703 (1911-02-01), Ramage
patent: 3105023 (1963-09-01), Foreman
patent: 3300398 (1967-01-01), Sprague
patent: 3423175 (1969-01-01), Horovitz et al.
patent: 3592616 (1971-07-01), Durrell et al.
Hack's Chemical Dictionary by Grant, 3rd Ed., p. 246, Pub. by Blakiston, Philadelphia, 1944.

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