Direct Blue 82
- Product Name
- Direct Blue 82
- Chemical Name
- Direct Blue 82
- Synonyms
- Direct Blue 82;C.I.Direct Blue 82:C.I.34130
- CBNumber
- CB09702936
- Formula Weight
- 0
- MOL File
- Mol file
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Direct Blue 82 Chemical Properties,Usage,Production
Preparation
2-Aminobenzene-1,4-disulfonic acid diazo, and 8-Aminonaphthalene-2-sulfonic acid coupling, again diazo, and Naphthalen-1-amine coupling, again diazo, in alkaline conditions and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling.
Properties and Applications
blue. For blue is soluble in water, soluble in ethanol, insoluble in other organic solvents. The strong sulfuric acid for violet black, diluted for purple. The dye water solution is blue, with strong hydrochloric acid have dark violet blue precipitation; Add thick sodium hydroxide solution have red light purple precipitation.
| Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
| Fading | Stain | Fading | Stain | ||||
| AATCC | 4 | 4-5 | 5 | 1-2 | 1-2 | ||
Direct Blue 82 Preparation Products And Raw materials
Raw materials
Preparation Products
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Direct Blue 82 Suppliers
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