| Identification | Back Directory | [Name]
tetrasodium 3,3'-[carbonylbis[imino(2-methyl-4,1-phenylene)azo-4,1-phenylenecarbonylimino]]bis[5-sulphonatosalicylate] | [CAS]
6420-28-6 | [Synonyms]
C.I.29020
C.I.Direct Yellow 33
Direct yellow 33 (C.I. 29020)
C.I.Direct Yellow 33:C.I.29020
tetrasodium 3,3'-[carbonylbis[imino(2-methyl-4,1-phenylene)azo-4,1-phenylenecarbonylimino]]bis[5-sulphonatosalicylate]
3,3'-[Carbonylbis[imino(2-methyl-4,1-phenylene)azo-4,1-phenylenecarbonylimino]]bis[2-hydroxy-5-sulfobenzoic acid]tetrasodium salt
tetrasodium,5-[4-[2-[3-[[3-[2-[4-[(5-carboxylato-6-oxo-3-sulfonatocyclohexa-2,4-dien-1-ylidene)carbamoyl]phenyl]hydrazinyl]-2-methylphenyl]carbamoylamino]-2-methylphenyl]hydrazinyl]benzoyl]imino-6-oxo-3-sulfonatocyclohexa-1,3-diene-1-carboxylate | [EINECS(EC#)]
229-153-3 | [Molecular Formula]
C43H30N8Na4O15S2 | [MOL File]
6420-28-6.mol | [Molecular Weight]
1054.83 |
| Hazard Information | Back Directory | [Preparation]
2-Hydroxy-3-(4-aminobenzamido)-5-sulfobenzoic acid?diazo, and a coupling?m-Toluidine, then the light gasification. | [Properties and Applications]
red light yellow. Soluble in water for golden yellow, not soluble in alcohol. The strong sulfuric acid for quality in red, Gray light purple for diluted. The dye solution to join strong hydrochloric acid purple black sediment: add thick sodium hydroxide solution for gold orange, used for the cellulose fibre, silk dyeing, paper color.
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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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3
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4
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6
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3-4
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3
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