Introduction：Basic information about CAS 28491-52-3|3-Amino-3-pyrazolin-5-one, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | 3-Amino-3-pyrazolin-5-one |
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| CAS Number | 28491-52-3 | Molecular Weight | 99.091 |
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| Density | 1.6±0.1 g/cm3 | Boiling Point | 479.5±25.0 °C at 760 mmHg |
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| Molecular Formula | C3H5N3O | Melting Point | 204°C |
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| MSDS | / | Flash Point | 243.8±23.2 °C |
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Names
| Name | 3-Amino-1,2-dihydropyrazol-5-one |
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| Synonym | More Synonyms |
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Chemical & Physical Properties
| Density | 1.6±0.1 g/cm3 |
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| Boiling Point | 479.5±25.0 °C at 760 mmHg |
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| Melting Point | 204°C |
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| Molecular Formula | C3H5N3O |
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| Molecular Weight | 99.091 |
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| Flash Point | 243.8±23.2 °C |
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| Exact Mass | 99.043259 |
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| PSA | 74.67000 |
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| LogP | -0.22 |
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| Vapour Pressure | 0.0±1.2 mmHg at 25°C |
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| Index of Refraction | 1.741 |
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| Storage condition | 2-8°C |
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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
| 5-Amino-1,2-dihydro-3H-pyrazol-3-one |
| 3-amino-5-pyrazole |
| (−)-Selagine |
| 5-Amino-1,2-dihydro-pyrazol-3-on |
| 5-amino-3-pyrazolone |
| 5-Amino-1H-pyrazol-3(2H)-one |
| 3-Amino-1H-pyrazol-5-ol |
| Huperzine A |
| 3-aminopyrazol-5-one |
| 5-amino-1,2-dihydropyrazol-3-one |
| 5-Amino-3-hydroxy-1H-pyrazole |
| (−)-Huperzine A |
| 5-amino-3-pyrrazolone |
| (-)-Huperzine A |
| 3-Amino-5-pyrazolone |
| 3-Amino-3-pyrazolin-5-one |
| 3H-Pyrazol-3-one, 5-amino-1,2-dihydro- |
