Disperse Blue 291
- CAS NO.：56548-64-2
- Empirical Formula: C19H21BrN6O6
- Molecular Weight: 509.31
- MDL number: MFCD00286580
- EINECS: 260-255-0
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 02:34:11
What is Disperse Blue 291?
The Uses of Disperse Blue 291
Disperse Blue 291 is a commercial disperse dye used in fabric dyes and printing. It is also used for metabolites and environmental testing.
Preparation
2,4-Dinitro-6-bromoaniline diazo, and N-(3-(diethylamino)-4-methoxyphenyl)acetamide?coupling.
Properties and Applications
green light blue. Dark blue tiny particles. Mainly used for polyester and their blended fabric dyeing and printing, spelling color good sex. Suitable for polyester/cotton, polyester/stick blended a bath dyeing of step.
| Standard | Ironing Fastness | Light Fastness | Persperation Fastness | Washing Fastness | |||
| Fading | Stain | Fading | Stain | Fading | Stain | ||
| AATCC | 3 | 5 | 5 | 5 | 5 | 5 | |
Properties of Disperse Blue 291
| Boiling point: | 700.4±60.0 °C(Predicted) |
| Density | 1.54 |
| pka | 13.43±0.70(Predicted) |
| EPA Substance Registry System | Acetamide, N-[2-[(2-bromo-4,6-dinitrophenyl)azo]-5-(diethylamino)-4-methoxyphenyl]- (56548-64-2) |
Safety information for Disperse Blue 291
Computed Descriptors for Disperse Blue 291
New Products
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