Identification | Back Directory | [Name]
2-Naphthalenesulfonic acid, 4-hydroxy-3-[2-[2-methoxy-5-methyl-4-[2-(3-sulfophenyl)diazenyl]phenyl]diazenyl]-7-(phenylamino)-, sodium salt (1:2) | [CAS]
6227-13-0 | [Synonyms]
Direct Violet 31 C.I.Direct Violet 31:C.I.27880 2-Naphthalenesulfonic acid, 4-hydroxy-3-[2-[2-methoxy-5-methyl-4-[2-(3-sulfophenyl)diazenyl]phenyl]diazenyl]-7-(phenylamino)-, sodium salt (1:2) | [EINECS(EC#)]
612-995-4 | [Molecular Formula]
C30H26N5NaO8S2 | [MOL File]
6227-13-0.mol | [Molecular Weight]
671.67 |
Hazard Information | Back Directory | [Preparation]
3-Aminobenzenesulfonic acid diazo, and 2-Amino-4-methylanisole coupling, its product to diazo, in alkaline conditions and 4-Hydroxy-7-(phenylamino)naphthalene-2-sulfonic acid coupling. | [Properties and Applications]
blue purple.
Standard
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Acid Resistance
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Alkali Resistance
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Light Fastness
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Soaping
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Water
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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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5
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4
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2
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2
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