Definition of isethionic acid in English:

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isethionic acid

Pronunciation: /ʌɪˌsiːθɪˈɒnɪk/


A synthetic crystalline acid with detergent and surfactant properties.
  • Alternative name: 2-hydroxyethanesulphonic acid; chemical formula: HOCH2CH2SO3H.
Example sentences
  • A process for the preparation of isethionic acid involving the reaction of sodium isethionate and hydrogen chloride in an alcoholic solvent is described.
  • Experiments designed to determine whether the predominant anion of lobster and other nerves is also isethionic acid are in progress.


Mid 19th century: isethionic, from iso- 'equal' + eth(er) + Greek theion 'sulphur' + -ic.

For editors and proofreaders

Line breaks: is¦ethi|on¦ic acid

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