5-Chloro-2-methyl-3-(4-sulphonatobutyl)benzothiazolium 53061-07-7 Anhydro-5-chloro-2-methyl-3-(4-sulfobutyl)benzothiazolium hydroxide Benzothiazolium, 5-chloro-2-methyl-3-(4-sulfobutyl)-, hydroxide, inner salt Benzothiazolium, 5-chloro-2-methyl-3-(4-sulfobutyl)-, inner salt EINECS 258-335-5