C.I. Sulphur Orange 2 (8CI,9CI) Chemical Properties,Usage,Production
Preparation
The 58 parts of 4-(4-Aminophenyl)benzenamine, 123 parts of N-(4-methyl-3-nitrophenyl)acetamideand 142 parts ofmixture of sulfur in the 180 ~ 230 ℃ calcination 12 hours, and its product with Sodium sulfide solution treatment, sulfuric acid and precipitation (FIAT764).