Identification | Back Directory | [Name]
Benzenesulfonic acid, 4,4'-[carbonylbis[imino[2-(acetylamino)-4,1-phenylene]azo]]bis-, disodium salt | [CAS]
71775-48-9 | [Synonyms]
Direct Yellow 31 C.I.Direct Yellow 31:C.I.29095 Benzenesulfonic acid, 4,4'-[carbonylbis[imino[2-(acetylamino)-4,1-phenylene]azo]]bis-, disodium salt | [EINECS(EC#)]
615-391-9 | [Molecular Formula]
C29H24N8Na2O9S2 | [MOL File]
71775-48-9.mol | [Molecular Weight]
738.659 |
Hazard Information | Back Directory | [Preparation]
4-Aminobenzenesulfonic acid diazo, and ?N-(3-aminophenyl)acetamide coupling, and then make the light gasification. | [Properties and Applications]
yellow. Used for cellulose fiber dyeing and printing, silk and wool fabric printing, paper, shading, discharge the gender is good.
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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3-4
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5-6
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3-4
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2
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