disodium 5-[(4-nitro-2-sulphonatophenyl)azo]salicylate
- CAS NO.：6470-97-9
- Empirical Formula: C13H7N3Na2O8S
- Molecular Weight: 411.25452
- EINECS: 229-301-7
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-12-31 14:38:37
![disodium 5-[(4-nitro-2-sulphonatophenyl)azo]salicylate Structural](https://img.chemicalbook.in/CAS/GIF/6470-97-9.gif)
What is disodium 5-[(4-nitro-2-sulphonatophenyl)azo]salicylate ?
Preparation
2-Amino-5-nitrobenzenesulfonic acid diazotization, and 2-Hydroxybenzoic acid?coupling.
Properties and Applications
orange. Soluble in water for orange, soluble in ethanol for orange. In concentrated sulfuric acid for yellow orange, after diluted solution for yellow, with pale yellow precipitation. Dye aqueous solution to join concentrated hydrochloric acid for light color solution; Join concentrated sodium hydroxide solution for blue light red.
| Standard | Ironing Fastness | Light Fastness | Fulling | Persperation Fastness | Soaping | Water | |
| Alkali | Acid | ||||||
| ISO | 3 | 5 | 4 | 1 | 3-4 | 3-4 | |
Properties of disodium 5-[(4-nitro-2-sulphonatophenyl)azo]salicylate
| EPA Substance Registry System | Benzoic acid, 2-hydroxy-5-[(4-nitro-2-sulfophenyl)azo]-, disodium salt (6470-97-9) |
Safety information for disodium 5-[(4-nitro-2-sulphonatophenyl)azo]salicylate
Computed Descriptors for disodium 5-[(4-nitro-2-sulphonatophenyl)azo]salicylate
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