Introduction：Basic information about CAS 13315-23-6|3H-Pyrazol-3-one,2,4-dihydro-4-methyl-, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | 3H-Pyrazol-3-one,2,4-dihydro-4-methyl- |
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| CAS Number | 13315-23-6 | Molecular Weight | 98.10320 |
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| Density | 1.107g/cm3 | Boiling Point | 298.3ºC at 760 mmHg |
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| Molecular Formula | C4H6N2O | Melting Point | 230-232ºC (dec.)(lit.) |
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| MSDS | ChineseUSA | Flash Point | 134.2ºC |
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| Symbol |
GHS07 | Signal Word | Warning |
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Names
| Name | 4-methyl-1,4-dihydropyrazol-5-one |
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| Synonym | More Synonyms |
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Chemical & Physical Properties
| Density | 1.107g/cm3 |
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| Boiling Point | 298.3ºC at 760 mmHg |
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| Melting Point | 230-232ºC (dec.)(lit.) |
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| Molecular Formula | C4H6N2O |
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| Molecular Weight | 98.10320 |
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| Flash Point | 134.2ºC |
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| Exact Mass | 98.04800 |
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| PSA | 41.46000 |
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| Vapour Pressure | 0.000721mmHg at 25°C |
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| Index of Refraction | 1.475 |
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| InChIKey | GWYFIIHULJCWMO-UHFFFAOYSA-N |
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| SMILES | CC1C=NNC1=O |
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Safety Information
| Symbol |
GHS07 |
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| Signal Word | Warning |
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| Hazard Statements | H315-H319-H335 |
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| Precautionary Statements | P261-P305 + P351 + P338 |
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| Hazard Codes | Xi |
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| Safety Phrases | S24/25 |
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| RIDADR | NONH for all modes of transport |
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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
| 4-Methyl-pyrazolon-5 |
| EINECS 236-346-6 |
| 4-Methyl-2-pyrazolin-5-one |
| 4-methyl-2-pyrazoline-5-one |
| 4-Methyl-2,4-dihydro-3H-pyrazol-3-one |
| 2-Pyrazolin-5-one,4-methyl |
| MFCD00003093 |
| 2,4-dihydro-4-methyl-3H-pyrazol-3-one |
| 4-methyl-1,2-dihydro-pyrazol-3-one |
