sodium 5-hydroxy-6-(naphthylazo)naphthalenesulphonate
- CAS NO.：5858-53-7
- Empirical Formula: C20H13N2NaO4S
- Molecular Weight: 401.39
- EINECS: 2274937
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-12-31 14:38:37
What is sodium 5-hydroxy-6-(naphthylazo)naphthalenesulphonate?
Preparation
Naphthalen-1-amine diazo, and 5-Hydroxynaphthalene-1-sulfonic acid coupling.
Properties and Applications
red. Slightly soluble in water for orange red. The strong sulfuric acid for blue, red after diluted precipitation; In nitric acid solution for orange brown.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 3 | 3 | 1-2 | 2 | 2 | 2-3 | ||
Properties of sodium 5-hydroxy-6-(naphthylazo)naphthalenesulphonate
| EPA Substance Registry System | 1-Naphthalenesulfonic acid, 5-hydroxy-6-(1-naphthalenylazo)-, monosodium salt (5858-53-7) |
Safety information for sodium 5-hydroxy-6-(naphthylazo)naphthalenesulphonate
Computed Descriptors for sodium 5-hydroxy-6-(naphthylazo)naphthalenesulphonate
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