Preparation of isethionic acid

Details Preparation of isethionic acid Preparation of isethionic acid

1982-09-07

1985-02-12

Sneed, Helen M. S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2604299, C07C14302, C07C14316

Patent

active

044990286

ABSTRACT:
A method for the preparation of isethionic acid by treating an alkali metal isethionate with hydrochloric acid to form isethionic acid and a chloride salt. The chloride salt is removed so as to provide at least a 50% by weight aqueous solution of the isethionic acid after removal of excess hydrochloric acid, which solution may be further reacted with a polyvalent metal oxide, hydroxide or amine to form the corresponding heavy metal isethionate. Zinc isethionate, for instance, is useful as a catalyst for making acyl isethionates used in making soap bars.

REFERENCES:
patent: 2547906 (1951-04-01), Fincke
patent: 2597696 (1952-05-01), Anthes et al.
patent: 3167570 (1965-01-01), Bohanek et al.
patent: 3888918 (1975-06-01), Kuehnhanss
Chemical Abstracts 98 (1) 4301v (1983).

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