C.I. Direct Blue, heptasodium salt

C.I. Direct Blue, heptasodium salt Chemische Eigenschaften,Einsatz,Produktion Methoden

• synthetische

  5-Amino-2-(4-aminophenylamino)benzenesulfonic acid double nitriding, in alkaline conditions and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid? (2 Moore) coupled, then double nitriding, and 4-Amino-5-hydroxynaphthalene-1,3-disulfonic acid (2 Moore) coupled:

• Properties and Applications

  navy blue. Soluble in water for dark red light blue, insoluble in organic solvents. The strong sulfuric acid for blue-ray gray, diluted dark purple solution for blue-ray, and accompanied by precipitation; In 10% of sulfuric acid for shallow dark. The dye solution to join 10% sodium hydroxide solution for shallow dark.
  

  Standard	Acid Resistance	Alkali Resistance	Light Fastness	Soaping		Water
  				Fading	Stain	Fading	Stain
  AATCC	5	5	5	3		5

C.I. Direct Blue, heptasodium salt Upstream-Materialien And Downstream Produkte

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