127529-03-7 7790-94-5 CHLOROSULFONIC ACID Chlorosulfonic acid (with or without sulfur trioxide) [UN1754] [Corrosive] Chlorosulfuric acid Chlorosulphuric acid Chromosulfuric acid [UN2240] [Corrosive] EINECS 232-234-6 HSDB 909 Monochlorosulfuric acid Sulfonic acid, monochloride Sulfuric chlorohydrin UN1754 UN2240