C.I. Direct Brown 166 Chemische Eigenschaften,Einsatz,Produktion Methoden
synthetische
N-(3-aminophenyl)formamide diazo, first in alkaline conditions and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid?coupling, hydrolysis amino acylation, product to double nitriding, and 0.8 Moore 2-(3-Aminophenylamino)acetic acid and 0.2 Moore 2,4-Diaminobenzenesulfonic acid (2 Moore) coupled.
Properties and Applications
brown to red light brown. The strong sulfuric acid for dark purple red to date, diluted red for brown. The dye solution to join strong hydrochloric acid with chocolate brown precipitation; Add thick sodium hydroxide solution for purplish red color
Standard
Acid Resistance
Alkali Resistance
Light Fastness
Soaping
Water
Fading
Stain
Fading
Stain
ISO
4
5
2
3-4
3
C.I. Direct Brown 166 Upstream-Materialien And Downstream Produkte