... O;Auramine;Benzenamine, 4,4'-carbonimidoylbis(N,N-dimethyl-, monohydrochloride;C.I. Basic yellow 2;4,4'-(imidocarbonyl)bis(n,n ... in ethanol water solution is yellow, the temperature over 70 °C can be decomposed into four methyl benzophenone, its solution by ... 's ketone with ammonium chloride and zinc chloride in 150-160 °C heating system, or by N, N- two methyl aniline and ...