2,7-Naphthalenedisulfonic acid, 5-amino-3-[[4'-[[7-(ethylamino)-1-hydroxy-3-sulfo-2-naphthalenyl]azo][1,1'-biphenyl]-4-yl]azo]-4-hydroxy-, trisodium salt

2,7-Naphthalenedisulfonic acid, 5-amino-3-[[4'-[[7-(ethylamino)-1-hydroxy-3-sulfo-2-naphthalenyl]azo][1,1'-biphenyl]-4-yl]azo]-4-hydroxy-, trisodium salt 화학적 특성, 용도, 생산

• 제조 방법

  4-(4-Aminophenyl)benzenamine double nitriding, in alkaline conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid?coupling, and then in alkaline conditions and 6-(Ethylamino)-4-hydroxynaphthalene-2-sulfonic acid?coupling.

• Properties and Applications

  navy blue light to dark. Soluble in water for dark, soluble in ethanol. The strong sulfuric acid for blue, dilute after dark purple precipitation. Dye with hydrochloric acid solution has the purple precipitation; Add sodium hydroxide solution for dark purple.
  

  Standard	Acid Resistance	Alkali Resistance	Light Fastness	Soaping		Water
  				Fading	Stain	Fading	Stain
  ISO	2	5	2	2-3		1

2,7-Naphthalenedisulfonic acid, 5-amino-3-[[4'-[[7-(ethylamino)-1-hydroxy-3-sulfo-2-naphthalenyl]azo][1,1'-biphenyl]-4-yl]azo]-4-hydroxy-, trisodium salt 준비 용품 및 원자재