C.I. Direct brown 26

C.I. Direct brown 26 Chemische Eigenschaften,Einsatz,Produktion Methoden

• synthetische

  4-(4-Aminophenyl)benzenamine double nitriding, first coupled with 2-Hydroxybenzoic acid, and then and 5-Aminonaphthalene-2-sulfonic acid and 8-Aminonaphthalene-2-sulfonic acid coupling, its product to diazo, and 5-Aminonaphthalene-1-sulfonic acid coupling.

• Properties and Applications

  dark red light brown. Soluble in water for olive brown, and adequate soluble in alcohol is palm yellow light. The strong sulfuric acid for dark purple, diluted dark green to shallow blue to olive brown precipitation. The dye solution to join strong hydrochloric acid have brown light olive precipitation; Add thick sodium hydroxide solution have orange brown precipitation.
  

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

C.I. Direct brown 26 Upstream-Materialien And Downstream Produkte

8003-55-2, C.I. Direct brown 26 Verwandte Suche: