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sulfonic acid

noun

, Chemistry.
  1. any of a large group of organic compounds of the structure RSO 2 OH, which are strong acids that give neutral sodium salts: used in the synthesis of phenols, dyes, and other substances.


sulfonic acid

/ sŭl-fŏnĭk /

  1. Any of several acids containing the group SO 3 H attached to an organic radical. Sulfonic acids and their salts are important in industry as catalysts in organic synthesis and in making sulfonamide drugs, detergents, and dyes.


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Word History and Origins

Origin of sulfonic acid1

First recorded in 1870–75

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sulfonicsulfonium