| Identification | Back Directory | [Name]
disodium 4,4'-bis[(2-hydroxy-1-naphthyl)azo]-5,5'-dimethyl[1,1'-biphenyl]-2,2'-disulphonate | [CAS]
6472-50-0 | [Synonyms]
C.I.Acid Red 89
Einecs 229-321-6
C.I.Acid Red 89:C.I.23910
disodium 4,4'-bis[(2-hydroxy-1-naphthyl)azo]-5,5'-dimethyl[1,1'-biphenyl]-2,2'-disulphonate
4,4'-Bis[(2-hydroxy-1-naphtyl)azo]-5,5'-dimethyl-1,1'-biphenyl-2,2'-disulfonic acid disodium salt
1,1-Biphenyl-2,2-disulfonic acid, 4,4-bis(2-hydroxy-1-naphthalenyl)azo-5,5-dimethyl-, disodium salt
4,4'-Bis((2-hydroxy-1-naphthalenyl)azo)-5,5'-dimethyl-(1,1'-biphenyl)-2,2'-disulfonate disodium salt
(1,1'-Biphenyl)-2,2'-disulfonic acid, 4,4'-bis(2-(2-hydroxy-1-naphthalenyl)diazenyl)-5,5'-dimethyl-, sodium salt (1:2) | [EINECS(EC#)]
229-321-6 | [Molecular Formula]
C34H24N4Na2O8S2 | [MOL File]
6472-50-0.mol | [Molecular Weight]
726.686 |
| Hazard Information | Back Directory | [Preparation]
5-Amino-2-(4-amino-5-methyl-2-sulfophenyl)-4-methylbenzenesulfonic double nitriding, and Naphthalen-2-ol (2 Moore) coupled. | [Properties and Applications]
red. Soluble in hot water, slightly soluble in cold water, soluble in ethanol, acetone, soluble fiber element and Pyridine, insoluble in other organic solvents. The strong sulfuric acid to red light purple, blue and red after diluted precipitation; In nitric acid with dark red in, and then into the orange. In water solution to join strong hydrochloric acid have article red precipitate; Add thick sodium hydroxide solution for orange brown.
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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
|
4
|
3
|
4-5
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4
|
3
|
4
|
4
|
4
|
|
AATCC
|
3
|
3
|
3
|
4
|
3
|
3
|
4
|
4
|
|
|
|