| Identification | Back Directory | [Name]
Solvent Yellow 19 | [CAS]
10343-55-2 | [Synonyms]
Yellow 4G
Fast Yellow GR
Solvent Yellow 19
Pigment Yellow 2
Spirit Fast Yellow GR
Yellow G for Aluminium.
Alcohol Soluble Yellow G
C.I.Solvent Yellow 19:C.I.13900:1
Solvent Yellow 19 ISO 9001：2015 REACH
[3-[[1-[anilinocarbonyl]-2-oxopropyl]azo]-2-hydroxy-5-nitrobenzene-1-sulphonato(3-)]chromium
chromium(3+),(2Z)-2-[(5-nitro-2-oxido-3-sulfonatophenyl)hydrazinylidene]-3-oxo-N-phenylbutanimidate
Chromium, [2-hydroxy-5-nitro-3-[[2-oxo-1-[(phenylamino)carbonyl] propyl]azo]-benzenesulfonato(3-1)]
Chromium, 2-(hydroxy-.kappa.O)-5-nitro-3-2-(oxo-.kappa.O)-1-(phenylamino)carbonylpropylazo-.kappa.N1benzenesulfonato(3-)- | [EINECS(EC#)]
233-747-8 | [Molecular Formula]
C16H11CrN4O8S | [MOL File]
10343-55-2.mol | [Molecular Weight]
471.34 |
| Hazard Information | Back Directory | [Preparation]
3-Amino-2-hydroxy-5-nitrobenzenesulfonic acid diazotization, and 3-Oxo-N-phenylbutanamide?coupling, and then the aqueous solution with fluorinated common heating. | [Properties and Applications]
yellow. Yellow powder. Insoluble in water, soluble in ethanol, acetone and Chloroform organic solvent. In concentrated sulfuric acid for brown, after diluted solution for light brown. Heat resistance, fast, acid, good alkali resistance. Mainly used for resin, transparent lacquer and aluminum foil and coloring.
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Standard
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Light Fastness
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Heat-resistant(℃)
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water
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Sodium Carbonate(5%)
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Hydrochloric acid(5%)
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Melting point
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Stable
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ISO
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Well
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170
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Poor
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Dissolve
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No change
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