(2,4-Dimethylbenzenamine +O-Anisidine) diazo, coupled with 3-Hydroxynaphthalene-2,7-disulfonic acid.
Properties and Applications
red. Soluble in water red, slightly soluble in alcohol. Meet strong sulfuric acid is magenta, diluted in red. Its water solution and strong hydrochloric acid for red; Add thick sodium hydroxide solution is orange brown.
