Benzenesulfonic acid, hydroxy[(2-hydroxy-1-naphthalenyl)azo]methyl-, monosodium salt (9CI)
- CAS NO.：1323-90-6
- Empirical Formula: C17H14N2O5S.Na
- Molecular Weight: 380.35
![Benzenesulfonic acid, hydroxy[(2-hydroxy-1-naphthalenyl)azo]methyl-, monosodium salt (9CI) Structural](https://img.chemicalbook.in/CAS/20200331/GIF/1323-90-6.gif)
What is Benzenesulfonic acid, hydroxy[(2-hydroxy-1-naphthalenyl)azo]methyl-, monosodium salt (9CI)?
Preparation
including amino, hydroxyl and methyl of Benzenesulfonic acid diazotization, and Naphthalen-2-ol coupling.
Properties and Applications
brilliant blue purple. Soluble in hot water to red. In concentrated sulfuric acid to red light brown, dilution after brown precipitation. Dye aqueous solution to join concentrated hydrochloric acid with brown precipitation; Add sodium hydroxide solution color constant.
| Standard | Ironing Fastness | Light Fastness | Fulling | Persperation Fastness | Soaping | Water | |
| Alkali | Acid | ||||||
| ISO | 3 | 7 | 4-5 | 3 | 5 | 5 | 5 |
| AATCC | 4-5 | 5-6 | 4-5 | 4-5 | |||
Safety information for Benzenesulfonic acid, hydroxy[(2-hydroxy-1-naphthalenyl)azo]methyl-, monosodium salt (9CI)
New Products
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![3-[(3-Carboxy-4-hydroxy-5-methylphenyl)(3-carboxy-5-methyl-4-oxo-2,5-cyclohexadien-1-ylidene)methyl]-6-hydroxy-2,4-dimethylbenzoic acid](https://img.chemicalbook.in/CAS/GIF/2305-53-5.gif)
![1-Naphthalenesulfonic acid, 4-hydroxy-3-[(2,3,5-trichloro-6-hydroxyphenyl)azo]-, monosodium salt](https://img.chemicalbook.in/CAS/20200119/GIF/5858-47-9.gif)
![5-[(3-Carboxy-2-hydroxy-5-methylphenyl)(3-carboxy-5-methyl-4-oxo-2,5-cyclohexadien-1-ylidene)methyl]-2-hydroxy-3-methylbenzoic acid](https://img.chemicalbook.in/CAS/GIF/3267-41-2.gif)
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