Reactive Red 261
Reactive Red 261 Basic information
- Product Name:
- Reactive Red 261
- Synonyms:
-
- 2,7-Naphthalenedisulfonic acid, 5-((4-chloro-6-((4-((2-(sulfooxy)ethyl)sulfonyl)phenyl)amino)-1,3,5-triazin-2-yl)amino)-4-hydroxy-3-(phenylazo)-, trisodium salt
- Reactive Red 261
- 5-((4-Chloro-6-((4-((2-sulfooxy)-ethyl)-sulfonyl)-phenyl)-amino)-1,3,5-tria
- Red 3BF
- 2,7-Naphthalenedisulfonic acid, 5-((4-chloro-6-((4-((2-(sulfooxy)ethyl)sulfonyl)phenyl)amino)-1,3,5-triazin-2-yl)amino)-4-hydroxy-3-(2-phenyldiazenyl)-, sodium salt (1:3)
- C.I.Reactive Red 261:C.I.182145
- CAS:
- 80156-96-3
- MF:
- C27H23ClN7NaO13S4
- MW:
- 840.2
- Mol File:
- 80156-96-3.mol
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Reactive Red 261 Chemical Properties
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Reactive Red 261 Usage And Synthesis
Preparation
aniline diazo, in alkaline conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid?coupling, and then and ?2,4,6-Trichloro-1,3,5-triazine condensation, again with registration, 2-(3-Aminophenylsulfonyl)ethyl hydrogen sulfate condensation.
Properties and Applications
yellow light red.
| Standard | Light Fastness | Oxygen bleaching | Persperation Fastness | Soaping | |||
| Fading | Stain | Fading | Stain | Fading | Stain | ||
| ISO | 4 | 4-5 | 3-4 | ||||