Reactive Blue 19 | 2580-78-1
International Equivalents:
| Reactive Blue 19 crude | Reactive Brill. Blue KN-R |
Product physical properties:
| Product Name |
Reactive Blue 19 |
| Specification |
Value |
| Appearance |
Dark Deep Blue Powder |
| O.w.f. |
2 |
|
Exhaust Dyeing |
◎ |
| Continuous Dyeing |
◎ |
| Cold pad-batch Dyeing |
○ |
| Solubility g/l (50ºC) |
150 |
| Light (Senon) (1/1) |
5-6 |
| Washing (CH/CO) |
4-5 4 |
| Perspiration (Alk) |
4-5 |
| Rugging (Dry/Wet) |
3-4 3 |
| Hot Pressing |
4-5 |
Application:Superiority:
Dark blue powder. Solubility in water (20°C) is 100g/L. The aqueous solution is blue. After adding 1mol/L sodium hydroxide, the color remains unchanged. After adding insurance powder and warming, it turns reddish brown with precipitation. After adding sodium perborate, it turns to light purple. It shows red sauce in concentrated sulfuric acid, and becomes navy blue with precipitation after dilution; it shows yellow in concentrated nitric acid, and the color remains unchanged after dilution.
Application:
Reactive blue 19 is used in the dyeing and printing of cotton, viscose, linen, silk and cotton-based fabrics.
Package: 25 kgs/bag or as you request.
Storage: Store at a ventilated, dry place.
Execution Standards: International Standard.
