Synonyms: 4H-1,2,4-Triazolium, 5-(2-(4-(dimethylamino)phenyl)diazenyl)-1,4-dimethyl-, methyl sulfate (1:1);4H-1,2,4-Triazolium, 5-((p-(dimethylamino)phenyl)azo)-1,4-dimethyl-, methyl sulfate;1H-1,2,4-Triazolium, 5-((4-(dimethylamino)phenyl)azo)-1,4-dimethyl-, methyl sulfate;4-[(2,4-dimethyl-1,2,4-triazol-2-ium-3-yl)azo]-N,N-dimethyl-aniline; methyl sulfate