2,6-Naphthalenedisulfonic acid, 4-hydroxy-3-[(2-methoxy-5-methylphenyl)azo]-, disodium salt
- CAS NO.：5864-85-7
- Empirical Formula: C18H17N2NaO8S2
- Molecular Weight: 476.45
- EINECS: 611-729-4
- SAFETY DATA SHEET (SDS)
![2,6-Naphthalenedisulfonic acid, 4-hydroxy-3-[(2-methoxy-5-methylphenyl)azo]-, disodium salt Structural](https://img.chemicalbook.in/CAS/20200331/GIF/5864-85-7.gif)
What is 2,6-Naphthalenedisulfonic acid, 4-hydroxy-3-[(2-methoxy-5-methylphenyl)azo]-, disodium salt?
Preparation
2-Amino-4-methylanisole diazo, and 1-Naphthol-3,7-disulfonic acid?coupling
Properties and Applications
red. Soluble in water for product red, and adequate soluble in alcohol in red. The strong sulfuric acid for purple, diluted red for quality. In aqueous solution to join strong hydrochloric acid for product red; Add sodium hydroxide into a brown.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 4 | 4 | 3 | 2-3 | 1 | 2-3 | ||
Safety information for 2,6-Naphthalenedisulfonic acid, 4-hydroxy-3-[(2-methoxy-5-methylphenyl)azo]-, disodium salt
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![Chromate, hydroxy[4-hydroxy-3-nitro-5-[(1,2,3,4-tetrahydro-2,4-dioxo-3-quinolinyl)azo]benzenesulfonato]-, sodium](https://img.chemicalbook.in/CAS/20211123/GIF/6656-02-6.gif)
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