1-(2-((4-((2-Chloro-4-nitrophenyl)azo)phenyl)ethylamino)ethyl)-1,1-dimethylhydrazinium chloride 4531-45-7 EINECS 224-866-6 Hydrazinium, 1-(2-((4-((2-chloro-4-nitrophenyl)azo)phenyl)ethylamino)ethyl)-1,1-dimethyl-, chloride Hydrazinium, 1-(2-(p-((2-chloro-4-nitrophenyl)azo)-N-ethylanilino)ethyl)-1,1-dimethyl-, chloride