Direct Black 19
Delivery term:The date of payment from buyers deliver within days-
Price:
Negotiable
- minimum:
- Total supply:
-
Delivery term:
The date of payment from buyers deliver within days
-
seat:
Tianjin
-
Validity to:
Long-term effective
-
Last update:
2020-08-27 04:17
-
Browse the number:
469
+
- Contactaixin:
Contactaixin:
tjgtcr(Mr.)
-
Email:
telephone:
phone:
-
Area:
Tianjin
Address:2105-2106 HUICHENG PLAZA, NO.56 XIANFENG ROAD, DONGLI DISTRICT, TIANJIN, CHINA
- Website:
+
| Properties |
Green and black. Black powder. Soluble in water for green light black, solubility of 100 g/L (80 ℃), slightly soluble in ethanol and acetone.
The strong sulfuric acid in the green light for black, dilute red after black precipitation; In nitric acid to dark brown. Dyes and microstructure of sulfuric acid solution 10% red; Add thick sodium hydroxide solution for green light blue. Copper ions in dyeing color shade the green, iron ion a slight change in color.
| Applications |
Used in viscose of dyeing and printing. In the cotton knitwear, blankets, flannelette, silk, viscose, silk that the fabric, wool/viscose fiber blend fabrics can be used. Can also be used in leather, paper and electrochemical aluminum color.
| Manufacturing Methods |
4-Nitrobenzenamine (2 Moore) diazo, one in acid conditions, a in alkaline conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid (1 Moore) coupling, and then will the nitro reduction, diazotization, again with Benzene-1,3-diamine (2 Moore) coupled.
http://www.newcolourdyes.com/
