disodium 4-hydroxy-3-[(2-methoxyphenyl)azo]naphthalene-2,7-disulphonate
disodium 4-hydroxy-3-[(2-methoxyphenyl)azo]naphthalene-2,7-disulphonate Basic information
- Product Name:
- disodium 4-hydroxy-3-[(2-methoxyphenyl)azo]naphthalene-2,7-disulphonate
- Synonyms:
-
- disodium 4-hydroxy-3-[(2-methoxyphenyl)azo]naphthalene-2,7-disulphonate
- 2,7-Naphthalenedisulfonic acid, 4-hydroxy-3-(2-methoxyphenyl)azo-, disodium salt
- 4-Hydroxy-3-[(2-methoxyphenyl)azo]-2,7-naphthalenedisulfonic acid disodium salt
- C.I.14905
- C.I.Acid Red 5
- Acid Red 5
- C.I.Acid Red 5:C.I.14905
- CAS:
- 5858-63-9
- MF:
- C17H12N2Na2O8S2
- MW:
- 482.39532
- EINECS:
- 2274963
- Mol File:
- 5858-63-9.mol
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disodium 4-hydroxy-3-[(2-methoxyphenyl)azo]naphthalene-2,7-disulphonate Usage And Synthesis
Preparation
p-Anisidine diazo, coupled with 4-Hydroxynaphthalene-2,7-disulfonic acid.
Properties and Applications
red. Soluble in water for red to product red, slightly soluble in ethanol and acetone, insoluble in other organic solvents. The strong sulfuric acid for purple, diluted red for quality. The dye solution to join strong hydrochloric acid for product red; Add sodium hydroxide is palm orange.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 4 | 2 | 4-5 | 4 | 1 | 4 | 2 | 1 |
| AATCC | 5 | 1 | 1 | 1 | 1 | |||