3-Hydroxy-4-[(2-methylphenyl)azo]naphthalene-2,7-disulfonic acid disodium salt
3-Hydroxy-4-[(2-methylphenyl)azo]naphthalene-2,7-disulfonic acid disodium salt Basic information
- Product Name:
- 3-Hydroxy-4-[(2-methylphenyl)azo]naphthalene-2,7-disulfonic acid disodium salt
- Synonyms:
-
- 3-Hydroxy-4-[(2-methylphenyl)azo]-2,7-naphthalenedisulfonic acid disodium salt
- 3-Hydroxy-4-[(2-methylphenyl)azo]naphthalene-2,7-disulfonic acid disodium salt
- C.I.16140
- C.I.Acid Red 24
- sodium,(4Z)-4-[(2-methylphenyl)hydrazinylidene]-3-oxonaphthalene-2,7-disulfonic acid
- Acid Red 24
- C.I.Acid Red 24:C.I.16140
- CAS:
- 5858-30-0
- MW:
- 0
- Mol File:
- 5858-30-0.mol
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3-Hydroxy-4-[(2-methylphenyl)azo]naphthalene-2,7-disulfonic acid disodium salt Usage And Synthesis
Preparation
O-Methylaniline diazo, coupled with 3-Hydroxynaphthalene-2,7-disulfonic acid.
Properties and Applications
yellow light red. Soluble in water, slightly soluble in ethanol for orange red. The strong sulfuric acid explicit orange red, orange is still the diluted. In water solution to join strong hydrochloric acid for orange red; Add sodium hydroxide for orange brown.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 1-2 | 2 | 2 | 2 | 2 | |||