disodium 3-[[4-(acetylamino)phenyl]azo]-4-hydroxynaphthalene-2,7-disulphonate
- CAS NO.：5858-61-7
- Empirical Formula: C18H13N3Na2O8S2
- Molecular Weight: 509.42066
- EINECS: 2274958
- SAFETY DATA SHEET (SDS)
![disodium 3-[[4-(acetylamino)phenyl]azo]-4-hydroxynaphthalene-2,7-disulphonate Structural](https://img.chemicalbook.in/CAS/GIF/5858-61-7.gif)
What is disodium 3-[[4-(acetylamino)phenyl]azo]-4-hydroxynaphthalene-2,7-disulphonate?
Preparation
N-(4-aminophenyl)acetamide diazo, coupled with 4-Hydroxynaphthalene-2,7-disulfonic acid.
Properties and Applications
blue-ray red. Soluble in water for blue-ray red, part of the soluble in ethanol and acetone, slightly soluble in toluene. The strong sulfuric acid for red, diluted the bright red for; In nitric acid yellow orange?for color. In aqueous solution to join strong hydrochloric acid for red; Add sodium hydroxide for yellow brown.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 4 | 2 | 5 | 3 | 1 | 4 | 1 | 1 |
| AATCC | 4 | 4 | 4 | 3 | 1 | 1 | 2 | 2 |
Safety information for disodium 3-[[4-(acetylamino)phenyl]azo]-4-hydroxynaphthalene-2,7-disulphonate
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![1-Naphthalenesulfonic acid, 4-amino-3-[2-(4-nitrophenyl)diazenyl]-, sodium salt (1:1)](https://img.chemicalbook.in/CAS/20211123/GIF/6300-18-1.gif)
![disodium 4-hydroxy-3-[(4-nitrophenyl)azo]-5-[[(p-tolyl)sulphonyl]amino]naphthalene-2,7-disulphonate](https://img.chemicalbook.in/CAS/GIF/6441-94-7.gif)
![disodium 7-hydroxy-8-[[4-[(4-sulphonatophenyl)azo]phenyl]azo]naphthalene-2-sulphonate](https://img.chemicalbook.in/CAS/GIF/6226-74-0.gif)
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