Direct Black 24

Direct Black 24 Chemische Eigenschaften,Einsatz,Produktion Methoden

• synthetische

  3,3′-Dimethylbenzidine double nitriding, first with 8-Aminonaphthalene-2-sulfonic acid coupling, product to diazo, and 4,5Dihydroxynaphthalene-1-sulfonic acid (2 Moore) coupled.

• Properties and Applications

  black. Soluble in water for dark purple, soluble in ethanol. The strong sulfuric acid for blue, shallow purple for diluted. The dye solution to join strong hydrochloric acid have dark purple precipitation; Add thick sodium hydroxide solution have dark purple precipitation.
  

  Standard	Acid Resistance	Alkali Resistance	Light Fastness	Soaping		Water
  				Fading	Stain	Fading	Stain
  ISO	4-5	1	3	1-2		2-3

Direct Black 24 Upstream-Materialien And Downstream Produkte

Direct Black 24 Verwandte Suche: