2-Amino-4,6-dinitrophenol diazo, and N-(4-hydroxyphenyl)acetamide?coupling, and then turn it into 1:2 chromium complex.
Properties and Applications
brown olive green light. Soluble in ethanol and water into olive. The strong sulfuric acid are brown, red brown after diluted. Its water solution with hydrochloric acid appears after the olive precipitation; With sodium hydroxide with olive, and have yellow-green precipitation.
