Introduction：Basic information about CAS 137-45-1|1,2-Dihydro-3H-pyrazol-3-one, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | 1,2-Dihydro-3H-pyrazol-3-one |
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| CAS Number | 137-45-1 | Molecular Weight | 84.077 |
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| Density | 1.4±0.1 g/cm3 | Boiling Point | 326.1±15.0 °C at 760 mmHg |
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| Molecular Formula | C3H4N2O | Melting Point | 163 °C |
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| MSDS | / | Flash Point | 151.0±20.4 °C |
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Names
| Name | 1H-Pyrazol-3(2H)-one |
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| Synonym | More Synonyms |
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Chemical & Physical Properties
| Density | 1.4±0.1 g/cm3 |
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| Boiling Point | 326.1±15.0 °C at 760 mmHg |
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| Melting Point | 163 °C |
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| Molecular Formula | C3H4N2O |
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| Molecular Weight | 84.077 |
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| Flash Point | 151.0±20.4 °C |
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| Exact Mass | 84.032364 |
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| PSA | 48.65000 |
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| LogP | 0.25 |
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| Vapour Pressure | 0.0±0.7 mmHg at 25°C |
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| Index of Refraction | 1.612 |
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| InChIKey | XBYRMPXUBGMOJC-UHFFFAOYSA-N |
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| SMILES | O=c1cc[nH][nH]1 |
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Safety Information
Synonyms
| 1H-pyrazol-3-ol |
| 1H-Pyrazol-5-ol |
| 3h-pyrazol-3-one, 1,2-dihydro- |
