Method of purifying 3-chloro-2-hydroxypropyl...

Details Method of purifying 3-chloro-2-hydroxypropyl... Method of purifying 3-chloro-2-hydroxypropyl...

C - Chemistry, Metallurgy

07

C

260/612

C07C 89/04 (1985.01) C07C 91/26 (1985.01)

Patent

CA 1255702

Abstract of the Disclosure This invention is a method of purifying 3-chloro-2-hydroxypropyl trialkylammonium chloride. An aqueous slurry is prepared containing from 70 to 98 weight percent total solids including the chloride and impurities associated with the preparation thereof. To this slurry is then added a miscible alcohol having from 3 to 4 carbon atoms. A solid filtrate is collected and optionally washed with additional alcohol and dried. The solid filtrate is substantially more pure in the chloride than the starting material. 32,288-F

514037

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