sodium 5-[[4-acetamido-2-[(p-tolyl)sulphonyl]phenyl]azo]-6-amino-4-hydroxynaphthalene-2-sulphonate
- CAS NO.：4404-39-1
- Empirical Formula: C25H23N4NaO7S2
- Molecular Weight: 578.59
- EINECS: 224-547-1
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-12-31 14:38:37
![sodium 5-[[4-acetamido-2-[(p-tolyl)sulphonyl]phenyl]azo]-6-amino-4-hydroxynaphthalene-2-sulphonate Structural](https://img.chemicalbook.in/CAS/GIF/4404-39-1.gif)
What is sodium 5-[[4-acetamido-2-[(p-tolyl)sulphonyl]phenyl]azo]-6-amino-4-hydroxynaphthalene-2-sulphonate ?
Preparation
3-(4-Tolylsulfonyl)-4-aminoacetanilide?diazo, and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid? in acid conditions coupled.
Properties and Applications
red light purple. Soluble in water for red, slightly soluble in ethanol and acetone. The strong sulfuric acid in dark green light for red, diluted red for blue-ray. In water solution to join 10% sulfuric acid as shallow red; Add 10% sodium hydroxide solution for the light is still red.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 6 | 3-4 | 4 | 3-4 | 1 | 1 | 3-4 | 2 |
| AATCC | 6 | 2-3 | 2-3 | 1 | 1 | 1 | 3-4 | 3-4 |
Properties of sodium 5-[[4-acetamido-2-[(p-tolyl)sulphonyl]phenyl]azo]-6-amino-4-hydroxynaphthalene-2-sulphonate
| EPA Substance Registry System | 2-Naphthalenesulfonic acid, 5-[[4-(acetylamino)-2-[(4-methylphenyl)sulfonyl]phenyl]azo]-6-amino-4-hydroxy-, monosodium salt (4404-39-1) |
Safety information for sodium 5-[[4-acetamido-2-[(p-tolyl)sulphonyl]phenyl]azo]-6-amino-4-hydroxynaphthalene-2-sulphonate
Computed Descriptors for sodium 5-[[4-acetamido-2-[(p-tolyl)sulphonyl]phenyl]azo]-6-amino-4-hydroxynaphthalene-2-sulphonate
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![N-[4-[Bis[4-(dimethylamino)phenyl]methylene]-2,5-cyclohexadien-1-ylidene]-N-methyl-3-sulfonatobenzenemethanaminium](https://img.chemicalbook.in/CAS/GIF/5844-15-5.gif)
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