Sulfonation and chlorosulfonation of organic compounds -- Reactions of organic sulfonyl chlorides -- Sulfonation and chlorosulfonation of aromatic compounds using chlorosulfonic acid -- The reaction of chlorosulfonic acid with aliphatic compounds -- Reactions of chlorosulfonic acid with heterocyclic compounds -- Reaction of chlorosulfonic acid with elements and inorganic compounds -- Commercial uses of chlorosulfonic acid -- Miscellaneous reactions of chlorosulfonic acid -- Preparation, manufacture and properties of chlorosulfonic acid