1H-Imidazolium, 2-((4-(dimethylamino)phenyl)azo)-1,3-dimethyl-, trichlorozincate(1-) 2-((4-(Dimethylamino)phenyl)azo)-1,3-dimethyl-1H-imidazolium trichlorozincate(1-) 70236-46-3 EINECS 274-479-1