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: 2025-12-31 14:38:37
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
Levothyroxine Impurity-F Montelukast EP Impurity-D/Montelukast USP Related Compound C Atorvastatin FXA Impurity/Atorvastatin Cyclic 6-Hydroxy Impurity Sodium Salt Isosulfan blue Keto N-Oxide Impurity Ivermectin Impurity F N-Nitroso des Methyl Tramadol/N-Nitroso-N-Desmethyl-Tramadol DL-beta-(3-Bromophenyl)alanine Tetrabutylammonium perchlorate N,O-Dimethylhydroxylamine hydrochloride (RS)-beta-Amino-beta-(4-bromophenyl)propionic acid 2-Amino-5-bromo-4-(trifluoromethyl)pyridine（RM for Indian lab) N,N CARBONYL DIIMIDAZOLE (R)-BoroLeu-(+)-Pinanediol-CF3COOH 1,4-bis(methylsulfonyl)butane 4-(5-amino-1-methyl-1h-benzoimidazol-2-yl)-butyric acid isopropyl ester. 5-Methyl-1,3-benzenediacetonitrile 4-Fluorothiophenol 1-methyl amino-2,4-dinitro benzene CSA (DL-10-Camphorsulfonic Acid) 2-Hydroxy-4-methylnicotinic acid 3-iodo-1H-pyrazolo[3,4-d]pyrimidin-4-amine (2S)-1-((2S,3S)-3-(2-methylbutyl)-4-oxooxetan-2-yl)pentadecan-2-yl formylleucinate 1-(3,5-dichlorophenyl)-2,2,2-trifluoroethane-1-sulfonyl chloride S-(1-(3,5-dichlorophenyl)-2,2,2-trifluoroethyl) ethanethioateRelated products of tetrahydrofuran
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