Method of purifying 3-chloro-2-hydroxypropyl trialkylammonium ch

Details Method of purifying 3-chloro-2-hydroxypropyl trialkylammonium ch Method of purifying 3-chloro-2-hydroxypropyl trialkylammonium ch

1985-05-15

1986-07-22

Reamer, James H.

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

Organic compounds

Amino nitrogen containing

C07C 8904

Patent

active

046021108

ABSTRACT:
A method of purifying 3-chloro-2-hydroxypropyl trialkylammonium chloride. An aqueous slurry is prepared containing about 70-98 wt. % total solids including the chloride and impurities associated with the preparation thereof. To this slurry is then added a miscible alcohol having about 3-4 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.

REFERENCES:
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patent: 2803651 (1957-08-01), Whiston et al.
patent: 2870198 (1959-01-01), Klein et al.
patent: 3532751 (1970-10-01), Langher et al.
patent: 4450295 (1984-05-01), van der Mass
patent: 4480126 (1984-10-01), Rutzen

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