Introduction：Basic information about CAS 42131-33-9|3H-1,2,4-Triazol-3-one, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | 3H-1,2,4-Triazol-3-one |
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| CAS Number | 42131-33-9 | Molecular Weight | 83.049 |
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| Density | 1.8±0.1 g/cm3 | Boiling Point | 108.6±23.0 °C at 760 mmHg |
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| Molecular Formula | C2HN3O | Melting Point | 235-237ºC |
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| MSDS | / | Flash Point | 27.1±28.0 °C |
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Names
| Name | 1,2,4-Triazol-5-one |
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| Synonym | More Synonyms |
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Chemical & Physical Properties
| Density | 1.8±0.1 g/cm3 |
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| Boiling Point | 108.6±23.0 °C at 760 mmHg |
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| Melting Point | 235-237ºC |
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| Molecular Formula | C2HN3O |
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| Molecular Weight | 83.049 |
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| Flash Point | 27.1±28.0 °C |
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| Exact Mass | 83.011963 |
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| PSA | 54.15000 |
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| LogP | -1.52 |
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| Vapour Pressure | 25.7±0.2 mmHg at 25°C |
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| Index of Refraction | 1.754 |
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Safety Information
Customs
| HS Code | 2933990090 |
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| Summary | 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
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Synonyms
