2-Naphthalenesulfonic acid, 7-(acetylamino)-3-[[4-[(4-chloro-2-sulfophenyl)azo]-3-methylphenyl]azo]-4-hydroxy-, disodium salt

2-Naphthalenesulfonic acid, 7-(acetylamino)-3-[[4-[(4-chloro-2-sulfophenyl)azo]-3-methylphenyl]azo]-4-hydroxy-, disodium salt 화학적 특성, 용도, 생산

• 제조 방법

  2-Amino-5-chlorobenzenesulfonic acid diazo, and a coupling ?m-Toluidine?, product to diazo, and ?7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling.

• Properties and Applications

  colourful red blue light. Soluble in water for product red, slightly soluble in ethanol, insoluble in other organic solvents. The strong sulfuric acid for blue, pink is diluted; In nitric acid in purple precipitation. The dye solution with strong hydrochloric acid have blue-ray red to purplish red precipitate; Add thick sodium hydroxide solution have red light purple precipitation.
  

  Standard	Acid Resistance	Alkali Resistance	Light Fastness	Soaping		Water
  				Fading	Stain	Fading	Stain
  AATCC	4-5	4-5	4	2		2

2-Naphthalenesulfonic acid, 7-(acetylamino)-3-[[4-[(4-chloro-2-sulfophenyl)azo]-3-methylphenyl]azo]-4-hydroxy-, disodium salt 준비 용품 및 원자재