C.I. Sulphur Orange 4 (8CI)

C.I. Sulphur Orange 4 (8CI) 화학적 특성, 용도, 생산

• 제조 방법

  N-(4-(4-acetamido-3-nitrophenyl)-2-nitrophenyl)acetamide and sulfur or more Sodium sulfide in 200 ~ 250 ℃ calcination. Note: use N-(4-methyl-3-nitrophenyl)acetamide or Benzene-1,4-diamine of acetyl derivatives to cure, and in 200 ~ 300 ℃ under the condition of same roasting, and it can get a little nature of the same color (GP 82748).

• Properties and Applications

  orange. Soluble in water for brown; In the sodium sulfide solution for yellow brown; In concentrated sulfuric acid to red light brown, dilution after red light brown, precipitation.
  

  Standard	Acid Resistance	Alkali Resistance	Light Fastness	Fulling	Persperation Fastness	Soaping
  						Moderate	Severe
  ISO	4	4-5	4-5	4-5		5	3-4

C.I. Sulphur Orange 4 (8CI) 준비 용품 및 원자재