Preparation
2-Methyl-4-(o-tolyldiazenyl)benzenamine diazo, coupled with 3-Hydroxynaphthalene-2,7-disulfonic acid (27200). 2-Methyl-4-(o-tolyldiazenyl)benzenaminediazo, and 6-Hydroxynaphthalene-2-sulfonic acid and where did 3-Hydroxynaphthalene-2,7-disulfonic acid mixture of coupling (27201).
Properties and Applications
blue-ray red. Soluble in water for product red, slightly soluble in alcohol. In the strong sulfuric acid as dark blue, diluted into a peach. In water solution to join hydrochloric acid for dark purple; Add thick sodium hydroxide solution for purplish red color.
|
Standard
|
Light Fastness
|
Soaping
|
Persperation Fastness
|
Oxygen bleaching
|
Fastness to seawater
|
|
Fading
|
Stain
|
Fading
|
Stain
|
Fading
|
Stain
|
|
ISO
|
4-5
|
3
|
3
|
3
|
1
|
2
|
4
|
4
|
|
AATCC
|
3-4
|
2
|
2
|
3
|
2
|
2
|
3
|
3
|
