Direct Brown 20

Direct Brown 20 化学特性,用途語,生産方法

• 製造方法

  4-(4-Aminophenyl)benzenamine double nitriding, first coupled with 2-Hydroxybenzoic acid, and then and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid? ?diazo, and Benzene-1,3-diamine coupled to a product matches.

• Properties and Applications

  brown. Soluble in water for red light brown. The strong sulfuric acid for red light blue, for yellow brown after diluted. The dye solution to join strong hydrochloric acid have dark brown precipitation; With strong sodium hydroxide solution for yellow brown, then a red light brown precipitation.
  

  Standard	Acid Resistance	Alkali Resistance	Light Fastness	Soaping		Water
  				Fading	Stain	Fading	Stain
  AATCC	4	4	2	2-3		2-3

Direct Brown 20 上流と下流の製品情報

, Direct Brown 20 キーワード