| Identification | Back Directory | [Name]
2,7-Naphthalenedisulfonic acid, 3-[[4-(acetylamino)-2-methylphenyl]azo]-4,5-dihydroxy-, disodium salt | [CAS]
5850-61-3 | [Synonyms]
C.I.Acid Violet 20:C.I.16625
2,7-Naphthalenedisulfonic acid, 3-[[4-(acetylamino)-2-methylphenyl]azo]-4,5-dihydroxy-, disodium salt | [EINECS(EC#)]
611-674-6 | [Molecular Formula]
C19H15N3Na2O9S2 | [MOL File]
5850-61-3.mol | [Molecular Weight]
539.447 |
| Hazard Information | Back Directory | [Preparation]
N-(4-amino-3-methylphenyl)acetamidediazo, and 4,5-Dihydroxynaphthalene-2,7-disulfonic acidcoupling. | [Properties and Applications]
red light purple. Soluble in water for red light purple, slightly soluble in alcohol. The strong sulfuric acid for purple, diluted the red. In aqueous solution to join strong sodium hydroxide solution into purple.
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Standard
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Light Fastness
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Soaping
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Persperation Fastness
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Oxygen bleaching
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Fastness to seawater
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Fading
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Stain
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Fading
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Stain
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Fading
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Stain
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ISO
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4-5
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2
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4
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2-3
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2
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2-3
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