Direct Black 11 Chemische Eigenschaften,Einsatz,Produktion Methoden
synthetische
4-(4-Aminophenyl)benzenamine double nitriding, and aniline diazo, in alkaline conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid?and products in the coupling acid conditions coupled, then and 4-Chlorobenzene-1,3-diamine coupling.
Properties and Applications
green and black. For to black soluble in water, soluble in ethanol for blue-ray gray. The strong sulfuric acid solution for the red light in blue, diluted red for sauce; In strong hydrochloric acid for purple solution. The dye solution to join strong hydrochloric acid have sauce red precipitate; Add thick sodium hydroxide solution for blue-ray gray, precipitation.
Standard
Acid Resistance
Alkali Resistance
Light Fastness
Soaping
Water
Fading
Stain
Fading
Stain
ISO
3
5
3
1-2
2
Direct Black 11 Upstream-Materialien And Downstream Produkte