2,4-Dihydro-5-methyl-4-[(4-methyl-3-nitrophenyl)azo]-2-phenyl-3H-pyrazol-3-one
2,4-Dihydro-5-methyl-4-[(4-methyl-3-nitrophenyl)azo]-2-phenyl-3H-pyrazol-3-one Basic information
- Product Name:
- 2,4-Dihydro-5-methyl-4-[(4-methyl-3-nitrophenyl)azo]-2-phenyl-3H-pyrazol-3-one
- Synonyms:
-
- 2,4-Dihydro-5-methyl-4-[(4-methyl-3-nitrophenyl)azo]-2-phenyl-3H-pyrazol-3-one
- C.I.12731
- C.I.Solvent Yellow 23
- Solvent Yellow 23
- 3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-4-[2-(4-methyl-3-nitrophenyl)diazenyl]-2-phenyl-
- C.I.Solvent Yellow 23:C.I.12731
- CAS:
- 82944-34-1
- MF:
- C17H15N5O3
- MW:
- 337.33
- Mol File:
- 82944-34-1.mol
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2,4-Dihydro-5-methyl-4-[(4-methyl-3-nitrophenyl)azo]-2-phenyl-3H-pyrazol-3-one Chemical Properties
- Boiling point:
- 541.2±50.0 °C(Predicted)
- Density
- 1.36±0.1 g/cm3(Predicted)
- pka
- 1.30±0.70(Predicted)
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2,4-Dihydro-5-methyl-4-[(4-methyl-3-nitrophenyl)azo]-2-phenyl-3H-pyrazol-3-one Usage And Synthesis
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.
| Standard | Light Fastness | Heat-resistant(℃) | water | Sodium Carbonate(5%) | Hydrochloric acid(5%) | |
| Melting point | Stable | |||||
| ISO | Excellent |
200≥200
Sublimation |
Well | Dissolve | ||