1H-Benzimidazolium, 5,6-dichloro-1-ethyl-2-methyl-3-(3-sulfobutyl)-, hydroxide, inner salt 1H-Benzimidazolium, 5,6-dichloro-1-ethyl-2-methyl-3-(3-sulfobutyl)-, inner salt 5,6-Dichloro-1-ethyl-2-methyl-3-(3-sulphonatobutyl)-1H-benzimidazolium 63175-96-2 EINECS 263-982-1