3-amino-7-(dimethylamino)-5-phenylphenazinium chloride

Preparation

(a) N1,N1-dimethylbenzene-1,4-diamine and a mixture of aniline oxidation, then converted to the chloride; (b) N,N-dimethyl-4-nitrosobenzenamine?and N1-phenylbenzene-1,3-diamine?heating.

Properties and Applications

red light purple. Soluble in cold, hot water for product red, easily soluble in ethanol for purple, easily soluble in soluble fiber element. The strong sulfuric acid for green, blue for diluted, to purple. The dye solution to join sodium hydroxide have light brown red precipitate.