| Identification | Back Directory | [Name]
5-Amino-4-hydroxy-3-[[4'-[(2-hydroxy-1-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,7-disulfonic acid disodium salt | [CAS]
6426-68-2 | [Synonyms]
C.I.22485
Direct Blue 3R
Direct Blue 19
C.I.Direct Blue 19
C.I.Direct Blue 19:C.I.22485
5-Amino-4-hydroxy-3-[[4'-[(2-hydroxy-1-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,7-disulfonic acid disodium salt
2,7-Naphthalenedisulfonic acid, 5-amino-4-hydroxy-3-((4'-((2-hydroxy-1-naphthalenyl)azo)(1,1'-biphenyl)-4-yl)azo)-, disodium salt | [Molecular Formula]
C32H24N5NaO8S2 | [MOL File]
6426-68-2.mol | [Molecular Weight]
693.68 |
| Hazard Information | Back Directory | [Preparation]
4-(4-Aminophenyl)benzenamine double nitriding, and Naphthalen-2-ol coupling, in alkaline conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid?coupling. | [Properties and Applications]
Red light blue and red light navy blue.
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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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5
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1
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2
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2
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