Uses
Solvent Blue 23 can be used to manufacture laser-welded article.
Definition
ChEBI: A hydrochloride obtained by combining the free base of spirit blue with one equivalent of hydrochloric acid.
Preparation
in the presence of Benzoic acid , C.I. Basic Red 9 [by (a) 4-(4-Aminobenzyl)benzenamine and aniline, aniline?hydrochloride, 1-Nitrobenzene and Ferric chloride in 170 ℃ heating hours; (b) aniline, p-Methylaniline and Triethylamine hydrochloride and Iron or Ferrous chloride and 1-Nitrobenzene?heating, (C) aniline,?p-Methylaniline?with a mixture of Arsenic acid, hemihydrate?oxidation; (d) aniline?and Methane, tetrachloro – heating and be] and excessive aniline?heating (about 180 ℃).
Flammability and Explosibility
Not classified
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.
