chlorosulfonic acid


chlo·​ro·​sulfonic acid
variants or less commonly chlorsulfonic acid
: a colorless fuming corrosive liquid ClSO3H made usually by reaction of gaseous hydrogen chloride with sulfur trioxide and used chiefly in organic synthesis (as of sulfa drugs, saccharin, and sulfonic acids)

Word History


chlor- + sulfonic

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Dictionary Entries Near chlorosulfonic acid

Cite this Entry

“Chlorosulfonic acid.” Dictionary, Merriam-Webster, Accessed 18 Apr. 2024.

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