Acid Black 5
- Molecular Weight: 0
What is Acid Black 5?
Preparation
4-Aminobenzenesulfonic acid diazo, and Naphthalen-1-amine coupling, its product to diazo, and 4,5Dihydroxynaphthalene-1-sulfonic acid coupling.
Properties and Applications
black. Soluble in water for dark purple, slightly soluble in alcohol for violet blue. The strong sulfuric acid for green, diluted into purple. In water solution to join strong hydrochloric acid for purplish red color; Add thick sodium hydroxide solution for dark.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 6-7 | 3 | 2-3 | 2-3 | ||||
Safety information for Acid Black 5
New Products
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![Chromate(2-), hydroxy[3-(hydroxy-κO)-4-[[1-(hydroxy-κO)-8-sulfo-2-naphthalenyl]azo-κN1]-7-nitro-1-naphthalenesulfonato(4-)]-, disodium, (T-4)-](https://img.chemicalbook.in/CAS/20211123/GIF/6370-09-8.gif)
![Chromate(1-), [5-[[5-chloro-2-(hydroxy-κO)phenyl]azo-κN1]-4-hydroxy-6-(hydroxy-κO)-2-naphthalenesulfonato(3-)]hydroxy-, sodium](https://img.chemicalbook.in/CAS/20211123/GIF/6408-19-1.gif)
![Chromate(3-),bis[4-(hydroxy-kO)-3-[[2- (hydroxy-kO)-1-naphthalenyl]azo-kN1]-5- nitrobenzenesulfonato(3-)]-,disodium hydrogen](https://img.chemicalbook.in/CAS/20211123/GIF/6370-16-7.gif)
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