| Identification | Back Directory | [Name]
tetrasodium 5,5'-[iminobis[(1-hydroxy-3-sulphonato-6,2-naphthylene)azo(2,5-dimethoxy-4,1-phenylene)azo]]bis(salicylate) | [CAS]
6548-31-8 | [Synonyms]
Direct Blue 159 C.I.Direct Blue 159:C.I.35775 tetrasodium 5,5'-[iminobis[(1-hydroxy-3-sulphonato-6,2-naphthylene)azo(2,5-dimethoxy-4,1-phenylene)azo]]bis(salicylate) 3,3'-[Iminobis[1-hydroxy-3-(sodiosulfo)-6,2-naphthalenediylazo(2,5-dimethoxy-4,1-phenylene)azo]]bis(6-hydroxybenzoic acid sodium) salt tetrasodium,(3Z)-3-[[4-[(2E)-2-[6-[[(6Z)-6-[[4-[(2E)-2-(3-carboxylato-4-oxocyclohexa-2,5-dien-1-ylidene)hydrazinyl]-2,5-dimethoxyphenyl]hydrazinylidene]-5-oxo-7-sulfonatonaphthalen-2-yl]amino]-1-oxo-3-sulfonatonaphthalen-2-ylidene]hydrazinyl]-2,5-dimethox | [EINECS(EC#)]
229-470-7 | [Molecular Formula]
C50H40N9NaO18S2 | [MOL File]
6548-31-8.mol | [Molecular Weight]
1142.02 |
| Hazard Information | Back Directory | [Preparation]
5-Amino-2-hydroxybenzoic acid diazo, and 2,5-Dimethylbenzenamine coupling, its product (2 Moore) diazo, and Bis(4-hydroxy-2-sulfonaphthalene-7-yl)amine coupling. | [Properties and Applications]
dark 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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1
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3
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6
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4-5
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5
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AATCC
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1
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3
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5-6
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4-5
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5
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