C.I. Direct Black 87 Chemische Eigenschaften,Einsatz,Produktion Methoden
synthetische
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 Upstream-Materialien And Downstream Produkte
