1H-Benzimidazolium, 6-chloro-4-((4-((2-cyanoethyl)ethylamino)phenyl)azo)-1,3-dimethyl-, chloride 34432-89-8 6-Chloro-4-((4-((2-cyanoethyl)ethylamino)phenyl)azo)-1,3-dimethyl-1H-benzimidazolium chloride EINECS 252-019-0