Process for the preparation of acyloxyalkanesulfonic acids

摘要

A fatty acid and/or an alkyl ester of a fatty acid and isethionic acid are allowed to react at a temperature of not more than 130° C. The present invention provides a process for preparing a fatty ester of isethionic acid or a salt thereof exhibiting an ameliorated hue and smell and in which few by-products are produced.