Product Name: Acid Brown 21
C.I. No.: Acid Brown 21
CAS No.: 61724-04-7
Molecular Formula: C19H18N4O5S
Molecular Weight: 414.44/407.83
Shade:Red light brown
Relative name: ACID BROWN M-BRL;Acid Brown NM-3RBL;Neutral Brown BRL;
Acid Brown 21 |
||||||
Standard |
Fiber |
Soaping |
Persperation Fastness |
Oxygen bleaching |
Light |
|
Fading |
Stain |
|||||
ISO |
Wool |
5 |
5 |
5 |
5 |
6-7 |
Brown powder. The strong sulfuric acid for red sauce, diluted solution for red brown; No change in strong hydrochloric acid, diluted into shallow brown solution, and the precipitation; In the nitric acid for brown, sediment can dilute; In the thick of sodium hydroxide solution no change after dilute for brown. Water solution is brown.
General for loose hair, tops and article polyamide, less used alone. Also used PVA fabric and dimension /cotton, wool / rayon blended fabric dyeing and printing, but also for leather dyeing.
Note: The data contained here are based on our current knowledge and experience. It is the responsibility of user to test our products before the final application.