| Company Name: |
Alfa Chemistry
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| Tel: |
1-516-6625404 |
| Email: |
support@alfa-chemistry.com |
| Products Intro: |
Product Name:Disperse Blue 257
CAS:84931-03-3
Package:1g;10g;100g;1KG;5KG
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| | Disperse Blue 257 Basic information |
| 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 | ![Disperse Blue 257 Structure]() |
| | Disperse Blue 257 Chemical Properties |
| | Disperse Blue 257 Usage And Synthesis |
| Preparation | 2-Cyano-4-nitro-6-bromoaniline diazo, and N-(3-(bis(2-methoxyethyl)amino)phenyl)acetamide?coupling. | | Properties and Applications | 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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Standard
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Ironing Fastness
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Light Fastness
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Persperation Fastness
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Washing Fastness
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Fading
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Stain
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Fading
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Stain
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Fading
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Stain
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ISO
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5
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4-5
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6
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5
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5
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5
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5
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| | Disperse Blue 257 Preparation Products And Raw materials |
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