Disperse Blue 181
- CAS NO.：71872-42-9
- Molecular Weight: 0
What is Disperse Blue 181?
Preparation
1-Amino-4-bromo-9,10-dioxo-9,10-dihydroanthracene-2-sulfonic acid and 2-Aminobenzoic acid condensation, with insurance powder sulfonylurea take off, with chlorosulfonic closed loop, with bromide brominated.
Properties and Applications
colourful green light blue. Dark blue powder, insoluble in water. The strong sulfuric acid in orange, diluted into blue; Insurance powder with reduction of dark purple. Difficulties can dissolve in three chlorobenzene and organic solvents. Mainly used for polyester/cotton fabric dyeing.
| Standard | Ironing Fastness | Light Fastness | Persperation Fastness | Washing Fastness | |||
| Fading | Stain | Fading | Stain | Fading | Stain | ||
| ISO | 4 | 4-5 | 7 | 5 | 5 | 4-5 | 5 |
Safety information for Disperse Blue 181
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