Preparation
4-(4-Amino-2-methylphenyl)-3-methylbenzenamine double nitriding, respectively with the 4-Hydroxynaphthalene-2,7-disulfonic acid and Naphthalen-2-ol coupling.
Properties and Applications
red. Soluble in water for red, soluble in ethanol for orange. The strong sulfuric acid for dark purple, pink is diluted. In water solution to join strong hydrochloric acid for red; Add thick sodium hydroxide solution for orange brown.
Standard
|
Light Fastness
|
Soaping
|
Persperation Fastness
|
Oxygen bleaching
|
Fastness to seawater
|
Fading
|
Stain
|
Fading
|
Stain
|
Fading
|
Stain
|
ISO
|
5
|
3-4
|
4-5
|
4-5
|
3-4
|
4-5
|
4-5
|
5
|
AATCC
|
4-5
|
4
|
4
|
5
|
3-4
|
3-4
|
5
|
5
|