1H-Benzimidazolium, 6-chloro-1-ethyl-2-methyl-3-(4-sulfobutyl)-5-(trifluoromethyl)-, inner salt 6-Chloro-1-ethyl-2-methyl-3-(4-sulphonatobutyl)-5-(trifluoromethyl)-1H-benzimidazolium 63816-04-6 EINECS 264-486-8