Fast Brown Salt VA
- CAS NO.：61813-55-6
- Empirical Formula: C14H13ClN4O3
- Molecular Weight: 320.735
What is Fast Brown Salt VA?
Preparation
diazo of 2-Chloro-4-nitrobenzenamine and 3-Methoxy-4-methylbenzenamine?coupling.
Properties and Applications
yellow brown powder, soluble in water. Mainly used for the cotton fabric dyeing and printing, also used in viscose dyeing, can be used for discharge printing and dyeing and printing. The fastness properties in cotton:
| Coupling?components | Fast light | Soda boiling | Oxygen bleaching | Ironing | Chlorine bleaching | ||
| ISO | AATCC | ISO | |||||
| 1/3N | 2N | 2N | |||||
| 7 | 4 | 5 | 4-5 | 4 | 4 | 4 | |
| 11 | 4 | 5-6 | 3 | 4 | 4 | 4 | |
| 17 | 3 | 4-5 | 4-5 | 3 | 3 | 4 | |
| 30 | 4 | 6 | 4-5 | 4 | 3-4 | 4 | |
Safety information for Fast Brown Salt VA
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![3-Methyl-4-[(3-methylphenyl)azo]benzenediazonium](https://img.chemicalbook.in/CAS/GIF/61886-22-4.gif)
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