One of the mysteries of the English language finally explained.
A synthetic crystalline acid with detergent and surfactant properties.
- ‘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.
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