1H-1,2,4-Triazolium, 5-((4-(diethylamino)phenyl)azo)-1,4-dimethyl-,chloride 5-((4-(Diethylamino)phenyl)azo)-1,4-dimethyl-1H-1,2,4-triazolium chloride 73398-77-3 EINECS 277-455-9