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| OEM | OEM Services Provided |
| Feature | Good stability,Easy to Use |
| Classification | Dyes and Pigments |
| Advantage | Professional, Fast Delivery, Customizable | Samples | Apply for free，Contact us now. |
| Product Name: | Disperse Blue 257 |
| Synonyms: | DISPERSE BLUE 257;Blue 3RF;C.I.Disperse Blue 257;Disperse Blue 3R-SF;Begacron Blue 3RSF;Desron Blue S-2RF;Kayalon Polyester Blue 3R-SF;Kiwalon Polyester Blue 3RF |
| CAS: | 84931-03-3 |
| MF: | C21H23BrN6O5 |
| MW: | 519.35 |
| EINECS: | |
| Product Categories: | |
| Mol File: | Mol File |
| CAS DataBase Reference | 84931-03-3 |
| Preparation | 2-Cyano-4-nitro-6-bromoaniline diazo, and N-(3-(bis(2-methoxyethyl)amino)phenyl)acetamide?coupling. | |||||||||||||||||||||
red light blue. Used for dyeing and printing of polyester, also suitable for polyester superfine fiber, coloring rate is excellent, good fastness properties.
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| Raw materials | N-Ethylaniline-->2-Amino-3-bromo-5-nitrobenzonitrile-->3-(N,N-Dimethoxyethyl)amino acetanilide |
Declaration: The products displayed on this website are intended exclusively for industrial applications or scientific research. They are not intended for medical, pharmaceutical, or food use. In accordance with applicable laws and regulations, purchasing organizations must hold valid qualifications and approvals.
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