4-Nitrobenzenamine diazo, and Resorcinol coupling, 2,4-Diaminobenzenesulfonic acid double nitriding, and formation of accidentally nitrogen compounds (2 Moore) coupled.
Properties and Applications
red light brown. Soluble in water for yellow light brown. The strong sulfuric acid is palm in light orange, for yellow brown after diluted, precipitation. The dye solution to join strong hydrochloric acid have yellow brown precipitation.
