Direct Blue 29
- Product Name
- Direct Blue 29
- Chemical Name
- Direct Blue 29
- Synonyms
- Direct Blue 29;C.I.Direct Blue 29:C.I.27890
- CBNumber
- CB99702919
- Formula Weight
- 0
- MOL File
- Mol file
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Direct Blue 29 Chemical Properties,Usage,Production
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 | ||
Direct Blue 29 Preparation Products And Raw materials
Raw materials
Preparation Products
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Direct Blue 29 Suppliers
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Direct Blue 294
trisodium 5-amino-3-[[4'-[(6-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]-4-hydroxynaphthalene-2,7-disulphonate