sulfonic acid

English

Alternative forms

sulphonic acid (British)

Noun

sulfonic acid (countable and uncountable, plural sulfonic acids) (American spelling)

(chemistry) a strong inorganic acid, HSO₂OH
(chemistry) the univalent functional group -SO₂OH
(chemistry) any member of the class or organic acids containing this group; used in detergents, dyes and ion exchange resins

Related terms

sulfonate

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