| Identification | Back Directory | [Name]
4-Amino-6-[[4'-[(7-amino-1-hydroxy-3-sulfo-2-naphtyl)azo]-1,1'-biphenyl-4-yl]azo]-3-[(2,5-dichlorophenyl)azo]-5-hydroxy-2,7-naphthalenedisulfonic acid trisodium salt | [CAS]
6360-65-2 | [Synonyms]
C.I.30340
Direct Blue 51
C.I.Direct Blue 51
C.I.Direct Blue 51:C.I.30340
4-Amino-6-[[4'-[(7-amino-1-hydroxy-3-sulfo-2-naphtyl)azo]-1,1'-biphenyl-4-yl]azo]-3-[(2,5-dichlorophenyl)azo]-5-hydroxy-2,7-naphthalenedisulfonic acid trisodium salt
2,7-Naphthalenedisulfonic acid, 4-amino-6-((4'-((7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo)(1,1'-biphenyl)-4-yl)azo)-3-((2,5-dichlorophenyl)azo)-5-hydroxy-, trisodium salt | [Molecular Formula]
C38H23Cl2N8Na3O11S3 | [MOL File]
6360-65-2.mol | [Molecular Weight]
1003.71 |
| Hazard Information | Back Directory | [Preparation]
2,5-Dichlorobenzenamine diazo, in acid conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid?coupling, 4-(4-Aminophenyl)benzenamine double nitriding, first in alkaline conditions and formation of accidentally nitrogen compounds and then in alkaline conditions and 3-Hydroxynaphthalene-2,7-disulfonic acid coupling. | [Properties and Applications]
navy blue light to dark. Soluble in water to blue. The strong sulfuric acid in blue, purple and blue after diluted precipitation.
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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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3
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4-5
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4
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2
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2-3
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