| Identification | Back Directory | [Name]
4,4'-Bis[(2-methyl-1H-indol-3-yl)azo]-1,1'-biphenyl-2,2'-disulfonic acid disodium salt | [CAS]
6375-54-8 | [Synonyms]
C.I.22905
Acid Yellow 87
C.I.Acid Yellow 87
C.I.Acid Yellow 87:C.I.22905
4,4'-Bis[(2-methyl-1H-indol-3-yl)azo]-1,1'-biphenyl-2,2'-disulfonic acid disodium salt | [MOL File]
6375-54-8.mol |
| Hazard Information | Back Directory | [Preparation]
2,2′-Disulfo-4,4,diaminobibenzene double nitriding, and 2-Methyl-2H-indazole(2 Moore) coupled. | [Properties and Applications]
yellow. Soluble in water, slightly soluble in ethanol lemon yellow. The strong sulfuric acid for lemon yellow, dilute lemon yellow into golden by. Its water solution to join strong hydrochloric acid for gold orange; Add sodium hydroxide for gold orange.
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Standard
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Light Fastness
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Soaping
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Persperation Fastness
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Oxygen bleaching
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Fastness to seawater
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Fading
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Stain
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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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3
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3-4
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3
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4
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