Preparation
3-Aminobenzenesulfonic acid diazo, and Naphthalen-1-amine coupling, its product to diazo, coupled with the 8-Aminonaphthalene-1-sulfonic acid .
Properties and Applications
red light black. Moderate soluble in water for violet black, slightly soluble in ethanol for purple. The strong sulfuric acid for green light blue, diluted into a deep red. In water solution to join strong hydrochloric acid deep red precipitate; With strong sodium hydroxide solution for purplish red color.
|
Standard
|
Light Fastness
|
Soaping
|
Persperation Fastness
|
Oxygen bleaching
|
Fastness to seawater
|
|
Fading
|
Stain
|
Fading
|
Stain
|
Fading
|
Stain
|
|
AATCC
|
6
|
3-4
|
|
2
|
1
|
|
1-2
|
|
