Direct Brown 61

Direct Brown 61 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, then with 4-Hydroxynaphthalene-1-sulfonic acid diazo, and Benzene-1,3-diamine coupled to a single accidentally coupled nitrogen compounds.

• Properties and Applications

  red light brown. Soluble in water for dark orange brown. The strong sulfuric acid for purple, dilute after brown precipitation. The dye solution to join strong hydrochloric acid have dark brown precipitation; Add thick with a small amount of sodium hydroxide solution red precipitate.
  

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

Direct Brown 61 上流と下流の製品情報

, Direct Brown 61 キーワード