C.I. Direct Black 87

C.I. Direct Black 87 화학적 특성, 용도, 생산

• 제조 방법

  3,3′-Dimethoxylbenzidine double nitriding, and 5-Aminonaphthalene-2-sulfonic acid and 8-Aminonaphthalene-2-sulfonic acid (2 Moore) coupled.

• Properties and Applications

  blue and black. Soluble in water for red orange brown, soluble in ethanol in red. The strong sulfuric acid for blue-ray purple, diluted to blue. The dye solution to join strong hydrochloric acid as dark blue, precipitation; Add thick sodium hydroxide solution for the red color, have precipitation.
  

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

C.I. Direct Black 87 준비 용품 및 원자재