C.I. Direct Brown 34

C.I. Direct Brown 34 化学特性,用途語,生産方法

• 製造方法

  2-Methyl-5-nitrobenzenesulfonie acid?condensation product with a self-condensation of Benzene-1,4-diamine. That was ?2-Methyl-5-nitrobenzenesulfonie acid?sodium hydroxide solution to the backflow and Benzene-1,4-diamine common heating, its molecular ratio is 2:1. Its product (C.I. Direct Orange 28, C.I. 40065) diazo, and 4-Hydroxy-6-(phenylamino)naphthalene-2-sulfonic acid in alkaline conditions coupled.

• Properties and Applications

  brown. Soluble in water for the opacity of the yellow light brown, not soluble in ethanol and acetone. The strong sulfuric acid for black purple, for green light brown after diluted. Dyes to dilute sulphuric acid solution turn dark; Add thick sodium hydroxide solution unchanged.
  

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

C.I. Direct Brown 34 上流と下流の製品情報

1325-70-8, C.I. Direct Brown 34 キーワード