Direct Brown 159

Direct Brown 159 Chemische Eigenschaften,Einsatz,Produktion Methoden

• synthetische

  4-(4-Aminophenyl)benzenamine double nitriding, first coupled with 2-Hydroxybenzoic acid , and then in alkaline conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid?coupling, product diazo again, and Resorcinol coupling.

• Properties and Applications

  brown olive green light. Soluble in water for brown. The strong sulfuric acid is palm in light purple, diluted for Shallow red time The dye solution to join strong hydrochloric acid with brown precipitation; Add thick sodium hydroxide solution for brown.
  

  Standard	Acid Resistance	Alkali Resistance	Light Fastness	Soaping		Water
  				Fading	Stain	Fading	Stain
  ISO	4-5	4	3	4		4-5

Direct Brown 159 Upstream-Materialien And Downstream Produkte

Direct Brown 159 Verwandte Suche: