5-[(2-Chloro-4-nitrophenyl)azo]-2-hydroxybenzoic acid sodium salt
- CAS NO.：6408-37-3
- Empirical Formula: C13H9ClN3NaO5
- Molecular Weight: 345.67
![5-[(2-Chloro-4-nitrophenyl)azo]-2-hydroxybenzoic acid sodium salt Structural](https://img.chemicalbook.in/CAS/GIF/6408-37-3.gif)
What is 5-[(2-Chloro-4-nitrophenyl)azo]-2-hydroxybenzoic acid sodium salt?
Preparation
2-Chloro-4-nitrobenzenamine diazotization, and 2-Hydroxybenzoic acid?coupling.
Properties and Applications
red orange. Soluble in water and Etanol for yellow. In concentrated sulfuric acid for golden orange, dilution after light golden brown. Dye aqueous solution to join concentrated hydrochloric acid for green yellow; Join concentrated Sodium hydroxide solution for red wine.
| Standard | Ironing Fastness | Light Fastness | Fulling | Persperation Fastness | Soaping | Water | |
| Alkali | Acid | ||||||
| ISO | 3 | 4-5 | 4 | 3 | 4-5 | 4 | 4 |
Safety information for 5-[(2-Chloro-4-nitrophenyl)azo]-2-hydroxybenzoic acid sodium salt
5-[(2-Chloro-4-nitrophenyl)azo]-2-hydroxybenzoic acid sodium salt manufacturer
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product: 6408-37-3 Mordant orange 2 98%
New Products
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![sodium 4-[(3-chloro-2-hydroxy-5-nitrophenyl)azo]-1H-naphtho[1,8-de]-1,2,3-triazine-6-sulphonate](https://img.chemicalbook.in/CAS/GIF/6404-46-2.gif)
![5-(Acetylamino)-4-hydroxy-3-[(2-hydroxy-5-nitrophenyl)azo]-2,7-naphthalenedisulfonic acid disodium salt](https://img.chemicalbook.in/CAS/GIF/4540-06-1.gif)
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