3-METHYL-1-(4-METHYLPHENYL)-4,5-DIHYDRO-1H-PYRAZOL-5-ONE
3-methyl-1-p-tolyl-5-pyrazolone
CAS: 86-92-0
Molecular Formula: C11H12N2O
3-METHYL-1-(4-METHYLPHENYL)-4,5-DIHYDRO-1H-PYRAZOL-5-ONE - Names and Identifiers
| Name | 3-methyl-1-p-tolyl-5-pyrazolone |
| Synonyms | TIMTEC-BB SBB003677 Methylptolylpyrazolone p-Tolylmethylpyrazolone 1-TOLYL-3-METHYL-5-PYRAZOLONE 3-methyl-1-p-tolyl-5-pyrazolone 1-(P-TOLYL)-3-METHYL-5-PYRAZOLONE 1-(p-tolyl)-3-methyl-5-pyrazolone 3-methyl-1-p-tolyl-pyrazolin-5-one 3-Methyl-1-(p-tolyl)-2-pyrazolin-5-one 1-(4-Methylphenyl)-3-methyl-5-Pyrazolone 1-(4'-methylphenyl)-3-methyl-5-pyrazolone 1-(4'-METHYL-PHENYL)-3-METHYL-5-PYRAZOLONE 5-methyl-2-(4-methylphenyl)-1,2-dihydro-3H-pyrazol-3-one 3-METHYL-1-(4-METHYLPHENYL)-4,5-DIHYDRO-1H-PYRAZOL-5-ONE 2,4-DIHYDRO-5-METHYL-2-(4-METHYLPHENYL)-3H-PYRAZOL-3-ONE 5-methyl-2-(4-methylphenyl)-2,4-dihydro-3H-pyrazol-3-one 2,4-dihydro-5-methyl-2-(4-methylphenyl)-3H-pyrazol-3-one |
| CAS | 86-92-0 |
| EINECS | 201-708-4 |
| InChI | InChI=1/C11H12N2O/c1-8-3-5-10(6-4-8)13-11(14)7-9(2)12-13/h3-7,12H,1-2H3 |
3-METHYL-1-(4-METHYLPHENYL)-4,5-DIHYDRO-1H-PYRAZOL-5-ONE - Physico-chemical Properties
| Molecular Formula | C11H12N2O |
| Molar Mass | 188.23 |
| Density | 1.1124 (rough estimate) |
| Melting Point | 129 °C |
| Boling Point | 323.23°C (rough estimate) |
| Flash Point | 141.8°C |
| Solubility | Chloroform (Slightly), Methanol (Slightly) |
| Vapor Presure | 0.002-0.002Pa at 25℃ |
| Appearance | Solid |
| Color | Beige |
| pKa | 2.73±0.50(Predicted) |
| Storage Condition | 2-8°C |
| Refractive Index | 1.5850 (estimate) |
| MDL | MFCD00035708 |
| Use | Mainly used as dyes, pigments, pharmaceutical intermediates |
3-METHYL-1-(4-METHYLPHENYL)-4,5-DIHYDRO-1H-PYRAZOL-5-ONE - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | 22 - Harmful if swallowed |
| RTECS | UQ9680000 |
3-METHYL-1-(4-METHYLPHENYL)-4,5-DIHYDRO-1H-PYRAZOL-5-ONE - Reference Information
| LogP | 1.77 at 23℃ and pH6.9-7.1 |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| purpose | mainly used as intermediates of dyes, pigments and medicines |
Last Update：2024-04-09 02:00:12
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