chlorosulfonic acid

noun chlo·ro·sulfonic acid
variants: less commonly

chlorsulfonic acid

\¦klōr, -ȯr+\

Definition of chlorosulfonic acid

  1. :  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)

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Origin and Etymology of chlorosulfonic acid

chlor- + sulfonic


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