in the presence of Benzoic acid , C.I. Basic Red 9 [by (a) 4-(4-Aminobenzyl)benzenamine and aniline, anilinehydrochloride, 1-Nitrobenzene and Ferric chloride in 170 ℃ heating hours; (b) aniline, p-Methylaniline and Triethylamine hydrochloride and Iron or Ferrous chloride and 1-Nitrobenzeneheating, (C) aniline,p-Methylanilinewith a mixture of Arsenic acid, hemihydrateoxidation; (d) anilineand Methane, tetrachloro – heating and be] and excessive anilineheating (about 180 ℃).
Properties and Applications
green light blue. Insoluble in water, slightly soluble in ethanol for blue. In concentrated sulfuric acid for brown light yellow, blue precipitation after dilution.
