4-Amino-5-hydroxy-3-[(4-nitrophenyl)azo]-6-[[4-(phenylazo)phenyl]azo]naphthalene-2,7-disulfonic acid disodium salt

4-Amino-5-hydroxy-3-[(4-nitrophenyl)azo]-6-[[4-(phenylazo)phenyl]azo]naphthalene-2,7-disulfonic acid disodium salt 화학적 특성, 용도, 생산

• 제조 방법

  4-Nitrobenzenamine diazo, in acid conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid?coupling, its product in alkaline conditions again with the diazo 4-(Phenyldiazenyl)benzenamine coupling.

• Properties and Applications

  dark blue light green. Soluble in water, slightly soluble in ethanol and acetone, hardly soluble in benzene. The strong sulfuric acid for blue-ray green, diluted for blue-ray still green. In an aqueous solution of concentrated sodium hydroxide solution was added to gray light blue.
  

  Standard	Light Fastness	Soaping		Persperation Fastness	Oxygen bleaching		Fastness to seawater
  		Fading	Stain		Fading	Stain	Fading	Stain
  ISO	3-4	4		4-5			4-5

4-Amino-5-hydroxy-3-[(4-nitrophenyl)azo]-6-[[4-(phenylazo)phenyl]azo]naphthalene-2,7-disulfonic acid disodium salt 준비 용품 및 원자재