1392077 Cyanogen chloride DEUTSCHE GOLD - UND SILBER - SCHEIDEANSTALT 23 June 1972 [24 June 1971] 29448/72 Addition to 1339453 Heading C1A Cyanogen chloride is prepared by a continuous process in which hydrogen cyanide is reacted with hydrogen chloride in aqueous solution together with hydrogen peroxide in the presence of at least one cupric salt. In all other respects the process is identical with that of Specification 1,339,453.
