Direct Green 22

Direct Green 22 Chemische Eigenschaften,Einsatz,Produktion Methoden

• synthetische

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

• Properties and Applications

  dark green to olive green. Soluble in water for olive green, and adequate soluble in ethanol for green light. The strong sulfuric acid for violet black, diluted for Light gray Light green. The dye solution to join strong hydrochloric acid for olive; Add thick sodium hydroxide solution for olive brown.
  

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

Direct Green 22 Upstream-Materialien And Downstream Produkte

Direct Green 22 Verwandte Suche: