3-Nitrobenzaldehyde (1 Moore) and N,N-diethylbenzenamine (2 Moore) condensation, reduction, again will product and 1-Chloro-2,4-dinitrobenzene condensation, and two were fuming sulfuric acid, then use heavy chromate salt-oxalic acid oxidation.
Properties and Applications
bright green. Soluble in water and ethanol for blue light green. The strong sulfuric acid is light in lemon yellow, diluted for deep lemon yellow. In water solution to join sodium hydroxide for cloudy turquoise, and accompanied by precipitation
