Benzoic acid, 2-hydroxy-5-[(4'-hydroxy[1,1'-biphenyl]-4-yl)azo]-, monosodium salt
- CAS NO.：6535-41-7
- Empirical Formula: C19H13N2NaO4
- Molecular Weight: 356.30729
- EINECS: 613-779-2
![Benzoic acid, 2-hydroxy-5-[(4'-hydroxy[1,1'-biphenyl]-4-yl)azo]-, monosodium salt Structural](https://img.chemicalbook.in/CAS/20200331/GIF/6535-41-7.gif)
What is Benzoic acid, 2-hydroxy-5-[(4'-hydroxy[1,1'-biphenyl]-4-yl)azo]-, monosodium salt?
Preparation
4-(4-Aminophenyl)benzenamine diazotization, and 2-Hydroxybenzoic acid?coupling, and then and dilute sulphuric acid common boiling, make the remnants of diazo into alcohol.
Properties and Applications
green yellow. Moderate soluble in water for green light yellow, slightly soluble in Etanol and Cellosolve and Acetone, insoluble in other organic solvent. In concentrated sulfuric acid to red light purple, dilution after light yellow, green brown precipitation.?Dye solution was added concentrated hydrochloric acid to light brown light olive; adding concentrated sodium hydroxide solution was orange.
| Standard | Ironing Fastness | Light Fastness | Fulling | Persperation Fastness | Soaping | Water | |
| Alkali | Acid | ||||||
| ISO | 5 | 4-5 | 4 | 2 | 4-5 | 4 | 5 |
| AATCC | 3-4 | 4-5 | 4 | 5 | 4 | 4-5 | |
Safety information for Benzoic acid, 2-hydroxy-5-[(4'-hydroxy[1,1'-biphenyl]-4-yl)azo]-, monosodium salt
Benzoic acid, 2-hydroxy-5-[(4'-hydroxy[1,1'-biphenyl]-4-yl)azo]-, monosodium salt manufacturer
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![Benzoic acid,2-hydroxy-5-[2-(4-sulfo-1-naphthalenyl)diazenyl]-, sodium salt (1:2)](https://img.chemicalbook.in/CAS/20180808/GIF/6408-85-1.gif)
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