Since its discovery in 1854, chlorosulfonic acid has demonstrated that it is a truly versatile reagent. It is widely used as a sulfonating and chlorosulfonating agent, particularly of organic compounds, and it provides useful synthetic intermediates for many branches of industry. This book provides a detailed, up to date account of the reactions of chlorosulfonic acid with aliphatic, aromatic and heterocyclic compounds; reactions with elements and inorganic compounds are also discussed, along with the use of the reagent as a powerful acid catalyst, and halogenation and dehydrating agent....