C.I. Direct Brown 29

C.I. Direct Brown 29 化学特性,用途語,生産方法

• 製造方法

  2-Methyl-5-nitrobenzenesulfonie acid from the condensed products and Benzene-1,4-diamine condensation. That was??2-Methyl-5-nitrobenzenesulfonie acid sodium hydroxide solution at reflux under heating together with?Benzene-1,4-diamine?, its molecular ratio is 2:1. Its product (C.I.Direct Orange 28, C.I. 40065) diazo, and 6-(Dimethylamino)-4-hydroxynaphthalene-2-sulfonic acid in alkaline conditions coupled.

• Properties and Applications

  brown. Soluble in water for yellow orange to brown, slightly soluble in soluble fiber element, insoluble in other organic solvents. The strong sulfuric acid for Violet, dilute precipitation after dark brown; In nitric acid partly dissolved for red light brown.
  

  Standard	Acid Resistance	Alkali Resistance	Light Fastness	Soaping		Water
  				Fading	Stain	Fading	Stain
  ISO	1-2	4	2	3		2-3
  AATCC	3	3	3	3		4

C.I. Direct Brown 29 上流と下流の製品情報

1325-69-5, C.I. Direct Brown 29 キーワード