Introduction：Basic information about CAS 1481-02-3|1-methyl-3-trifluoromethyl-2-pyrazolin-5-one, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | 1-methyl-3-trifluoromethyl-2-pyrazolin-5-one |
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| CAS Number | 1481-02-3 | Molecular Weight | 166.10100 |
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| Density | 1.5 g/cm3 | Boiling Point | 101.6ºC at 760 mmHg |
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| Molecular Formula | C5H5F3N2O | Melting Point | 178 °C |
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| MSDS | USA | Flash Point | 15.3ºC |
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Names
| Name | 2-methyl-5-(trifluoromethyl)-4H-pyrazol-3-one |
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| Synonym | More Synonyms |
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Chemical & Physical Properties
| Density | 1.5 g/cm3 |
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| Boiling Point | 101.6ºC at 760 mmHg |
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| Melting Point | 178 °C |
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| Molecular Formula | C5H5F3N2O |
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| Molecular Weight | 166.10100 |
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| Flash Point | 15.3ºC |
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| Exact Mass | 166.03500 |
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| PSA | 32.67000 |
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| LogP | 0.14030 |
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| Vapour Pressure | 0.029mmHg at 25°C |
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| Index of Refraction | 1.53 |
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| InChIKey | SYHYFYSGUQRNRS-UHFFFAOYSA-N |
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| SMILES | CN1N=C(C(F)(F)F)CC1=O |
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Safety Information
| Hazard Codes | Xi: Irritant; |
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| Risk Phrases | 25 |
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| Safety Phrases | S22-S24/25 |
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| HS Code | 2933199090 |
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Customs
| HS Code | 2933199090 |
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| Summary | 2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
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Synonyms
| 1-methyl-3-trifluoromethyl-4H-pyrazol-5-one |
| MFCD00051654 |
| 1-METHYL-3-TRIFLUOROMETHYL-2-PYRAZOLIN-5-ONE |
| 2-methyl-5-trifluoromethyl-2,4-dihydro-pyrazol-3-one |
