Preparation
4-Amino-3-chloro-5-methylbenzenesulfonic acid diazo, and 5-Amino-7-ehtoxy-2-naphthalenesulfonic acid coupling, its product to diazo, and 4-(4-Aminobenzamido)-5-hydroxynaphthalene-2,7-disulfonic acid?coupling.
Properties and Applications
yellow light green. Soluble in water for green light blue, soluble in ethanol. The strong sulfuric acid for olive green, purple for red after diluted. The dye solution to join strong hydrochloric acid have blue-ray red precipitate; Add thick sodium hydroxide solution have sauce red precipitate.
Standard
|
Acid Resistance
|
Alkali Resistance
|
Light Fastness
|
Soaping
|
Water
|
Fading
|
Stain
|
Fading
|
Stain
|
AATCC
|
3
|
4
|
3
|
3
|
|
4
|
|