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 n.
Any of several organic acids containing one or more sulfonic groups.
Any of several acids containing the group SO3H 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.
noun, Chemistry. 1. the positively charged group H 3 S + , its salts, or their substitute products.
sulfonmethane sul·fon·meth·ane (sŭl’fōn-měth’ān’, -fŏn-) n. A colorless crystalline or powdered compound used medicinally as a hypnotic.
adjective, Chemistry. 1. sulfuryl. sulfonyl sul·fo·nyl (sŭl’fə-nĭl’) n. The bivalent radical SO2. Also called sulfuryl. sulfonyl (sŭl’fə-nĭl’) The radical SO2. Also called sulfuryl.
noun, Chemistry. 1. sulfuryl chloride. sulfuryl chloride or sulfonyl chloride noun, Chemistry. 1. a colorless liquid, SO 2 Cl 2 , having a very pungent odor and corrosive to the skin and mucous membranes: used as a chlorinating or sulfonating agent.