Preparation
3,5-Diamino-4-methylbenzenesulfonic acid double nitriding,and 4-Nitrobenzene-1,3-diamine (2 Moore) coupled.
Properties and Applications
red light yellow. Soluble in water for yellow light brown. The strong sulfuric acid for brown, after diluted brown precipitation. The dye solution to join strong hydrochloric acid for brown, have precipitation; Add sodium hydroxide have soluble brown precipitation.
Standard
|
Acid Resistance
|
Alkali Resistance
|
Light Fastness
|
Soaping
|
Water
|
Fading
|
Stain
|
Fading
|
Stain
|
ISO
|
4
|
4
|
1
|
2
|
|
2
|
|