Definition of isethionic acid in English:

isethionic acid


  • A synthetic crystalline acid with detergent and surfactant properties.

    Alternative name: 2-hydroxyethanesulphonic acid; chemical formula: HOCH₂CH₂SO₃H

    • ‘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.


isethionic acid