Reactive Red 11
- CAS NO.：12226-08-3
- Empirical Formula: C21H9I2N3Na6O9S2
- Molecular Weight: 0
- MDL number: MFCD31562546
- Update Date: 2026-05-28 03:04:25
What is Reactive Red 11?
Preparation
4-Aminobenzoic acid diazo, in alkaline conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid coupling, again with 2,4,6-Trichloro-1,3,5-triazine condensation.
Properties and Applications
colourful red blue light. Purplish red powder. The strong sulfuric acid for purple, diluted into blue light red, precipitation; In nitric acid for red, diluted is still red, precipitation. Blue water solution is red, with 1 Moore sodium hydroxide solution turned red, continue to add insurance powder and warm, become light yellow, plus a boric acid sodium is still light yellow. Mainly used for cotton, viscose fabric and silk dyeing and printing.
| Standard | Light Fastness | Oxygen bleaching | Persperation Fastness | Soaping | |||
| Fading | Stain | Fading | Stain | Fading | Stain | ||
| ISO | 4 | 4-5 | 4 | 4-5 | 2 | 4-5(5*100℃) | 3-4 |
Safety information for Reactive Red 11
Reactive Red 11 manufacturer
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