| Identification | Back Directory | [Name]
1,7-Naphthalenedisulfonic acid, 4-(acetylamino)-6-[[4'-[[2-(acetylamino)-4-amino-5-methylphenyl]azo]-3,3'-dimethoxy[1,1'-biphenyl]-4-yl]azo]-5-hydroxy-, disodium salt | [CAS]
6473-30-9 | [Synonyms]
Direct Blue 136
C.I.Direct Blue 136:C.I.24065
1,7-Naphthalenedisulfonic acid, 4-(acetylamino)-6-[[4'-[[2-(acetylamino)-4-amino-5-methylphenyl]azo]-3,3'-dimethoxy[1,1'-biphenyl]-4-yl]azo]-5-hydroxy-, disodium salt | [EINECS(EC#)]
613-678-3 | [Molecular Formula]
C35H31N7Na2O11S2 | [MOL File]
6473-30-9.mol | [Molecular Weight]
835.77 |
| Hazard Information | Back Directory | [Preparation]
3,3′-Dimethoxylbenzidine double nitriding, first and 4-Acetamido-5-hydroxynaphthalene-1,7-disulfonic acid?coupling, then with N-(3-amino-4-methylphenyl)acetamide?coupling. | [Properties and Applications]
blue. Soluble in water for red light blue, soluble in ethanol. The strong sulfuric acid as dark blue light in purple, blue after diluted precipitation. Dye with strong hydrochloric acid solution for violet black, precipitation; With strong sodium hydroxide solution for red light brown, have precipitation; Add 10% sodium hydroxide solution for red light purple.
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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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4
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5
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2
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4
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4
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AATCC
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5
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5
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2
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3
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5
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