1H-Indolesulfonic acid, 3,3'-[carbonylbis(imino-4,1-phenyleneazo)]bis[2-methyl-, disodium salt

1H-Indolesulfonic acid, 3,3'-[carbonylbis(imino-4,1-phenyleneazo)]bis[2-methyl-, disodium salt 화학적 특성, 용도, 생산

• 제조 방법

  N-(4-aminophenyl)acetamide diazo, and 2-Methyl-1H-indole-5-sulfonic acid?coupling, and then will the hydrolysis of amino acylation, again will get the amino nitrogen compounds for light accidentally gasification.

• Properties and Applications

  dark yellow. Soluble in water for golden brown, and adequate soluble in ethanol olive yellow. The strong sulfuric acid for yellow brown, after dilution is purple. Dye with strong hydrochloric acid solution for the red light brown, have precipitation; Add thick sodium hydroxide solution for gold orange.
  

  Standard	Acid Resistance	Alkali Resistance	Light Fastness	Soaping		Water
  				Fading	Stain	Fading	Stain
  ISO	1	5	1	1-2		2

1H-Indolesulfonic acid, 3,3'-[carbonylbis(imino-4,1-phenyleneazo)]bis[2-methyl-, disodium salt 준비 용품 및 원자재