Introduction：Basic information about CAS 137-44-0|3H-Pyrazol-3-one,2,4-dihydro-, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | 3H-Pyrazol-3-one,2,4-dihydro- |
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| CAS Number | 137-44-0 | Molecular Weight | 84.07670 |
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| Density | 1.44g/cm3 | Boiling Point | / |
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| Molecular Formula | C3H4N2O | Melting Point | 162 °C |
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| MSDS | / | Flash Point | / |
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Names
| Name | 1H-Pyrazol-5(4H)-one |
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| Synonym | More Synonyms |
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Chemical & Physical Properties
| Density | 1.44g/cm3 |
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| Melting Point | 162 °C |
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| Molecular Formula | C3H4N2O |
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| Molecular Weight | 84.07670 |
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| Exact Mass | 84.03240 |
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| PSA | 41.46000 |
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| Index of Refraction | 1.63 |
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| InChIKey | ZRHUHDUEXWHZMA-UHFFFAOYSA-N |
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| SMILES | O=C1CC=NN1 |
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Safety Information
| Hazard Codes | Xi |
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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
