Direct Blue 29
Direct Blue 29 Basic information
- Product Name:
- Direct Blue 29
- Synonyms:
-
- Direct Blue 29
- C.I.Direct Blue 29:C.I.27890
- MW:
- 0
- Mol File:
- Mol File
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Direct Blue 29 Usage And Synthesis
Preparation
2-Amino-5-nitrobenzenesulfonic acid?diazo, and 2-Amino-4-methylanisole coupling, again diazo, in alkaline conditions and 4-Hydroxy-7-(phenylamino)naphthalene-2-sulfonic acid coupling.
Properties and Applications
blue-ray red. Soluble in water and ethanol is purple. The strong sulfuric acid for yellow green, diluted is shallow brown. The dye solution to join strong sodium hydroxide solution for blue light green, a black light blue precipitation.
| Standard(Viscose) | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
| Fading | Stain | Fading | Stain | ||||
| AATCC | 3 | 3-4 | 4 | 3 | 3 | ||