Introduction：Basic information about CAS 90-31-3|1-(3-Chlorophenyl)-3-methyl-2-pyrazolin-5-one, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | 1-(3-Chlorophenyl)-3-methyl-2-pyrazolin-5-one |
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| CAS Number | 90-31-3 | Molecular Weight | 208.64400 |
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| Density | 1.32g/cm3 | Boiling Point | 382.9ºC at 760 mmHg |
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| Molecular Formula | C10H9ClN2O | Melting Point | 128-131ºC |
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| MSDS | ChineseUSA | Flash Point | 185.4ºC |
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Names
| Name | 2-(3-chlorophenyl)-5-methyl-4H-pyrazol-3-one |
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| Synonym | More Synonyms |
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Chemical & Physical Properties
| Density | 1.32g/cm3 |
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| Boiling Point | 382.9ºC at 760 mmHg |
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| Melting Point | 128-131ºC |
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| Molecular Formula | C10H9ClN2O |
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| Molecular Weight | 208.64400 |
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| Flash Point | 185.4ºC |
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| Exact Mass | 208.04000 |
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| PSA | 32.67000 |
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| LogP | 1.95320 |
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| Index of Refraction | 1.625 |
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| InChIKey | RIOMUJXIGYZENC-UHFFFAOYSA-N |
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| SMILES | CC1=NN(c2cccc(Cl)c2)C(=O)C1 |
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Safety Information
| Hazard Codes | Xi: Irritant; |
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| Risk Phrases | 36/37/38 |
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| Safety Phrases | S22-S24/25 |
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| RIDADR | NONH for all modes of transport |
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| WGK Germany | 3 |
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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
| chloropyrazolone |
| EINECS 201-984-6 |
| m-chloropyrazolone |
| MFCD00020750 |
