| Identification | Back Directory | [Name]
2,4-Dihydro-5-methyl-4-[(4-methyl-3-nitrophenyl)azo]-2-phenyl-3H-pyrazol-3-one | [CAS]
82944-34-1 | [Synonyms]
C.I.12731
Solvent Yellow 23
C.I.Solvent Yellow 23
C.I.Solvent Yellow 23:C.I.12731
2,4-Dihydro-5-methyl-4-[(4-methyl-3-nitrophenyl)azo]-2-phenyl-3H-pyrazol-3-one
3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-4-[2-(4-methyl-3-nitrophenyl)diazenyl]-2-phenyl- | [Molecular Formula]
C17H15N5O3 | [MOL File]
82944-34-1.mol | [Molecular Weight]
337.33 |
| Hazard Information | Back Directory | [Preparation]
4-Methyl-3-nitrobenzenamine diazotization, and 3-Methyl-1-phenyl-1H-pyrazol-5(4H)-one coupling. | [Properties and Applications]
yellow. Used for esters solvent, acetate and methyl acrylic, polystyrene and amino plastic 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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Excellent
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200≥200
Sublimation
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Well
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Dissolve
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