Introduction：Basic information about CAS 19978-41-7|3,5-Dibromo-2H-pyran-2-one, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | 3,5-Dibromo-2H-pyran-2-one |
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| CAS Number | 19978-41-7 | Molecular Weight | 253.87600 |
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| Density | 2.411g/cm3 | Boiling Point | 230.2ºC at 760 mmHg |
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| Molecular Formula | C5H2Br2O2 | Melting Point | / |
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| MSDS | / | Flash Point | 93ºC |
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Names
| Name | 3,5-Dibromo-2H-pyran-2-one |
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| Synonym | More Synonyms |
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Chemical & Physical Properties
| Density | 2.411g/cm3 |
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| Boiling Point | 230.2ºC at 760 mmHg |
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| Molecular Formula | C5H2Br2O2 |
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| Molecular Weight | 253.87600 |
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| Flash Point | 93ºC |
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| Exact Mass | 251.84200 |
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| PSA | 30.21000 |
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| LogP | 2.16480 |
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| Vapour Pressure | 0.0667mmHg at 25°C |
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| Index of Refraction | 1.675 |
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| InChIKey | MLXYPWZJEXLAIM-UHFFFAOYSA-N |
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| SMILES | O=c1occ(Br)cc1Br |
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Safety Information
Customs
| HS Code | 2932999099 |
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| Summary | 2932999099. other heterocyclic compounds with oxygen 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
| 3,5-dibromopyran-2-one |
| 2,5-dibromo-2,4-dinitrothiophene |
| 2,5-dibromo-3,4-dinitrothiophen |
| 3,5-dibromo-2-pyrone |
| 2,5-Dibromo-3,4-dinitro-thiophene |
| 2,5-dibromo-2-pyrone |
| 2,5-Dibrom-3,4-dinitro-thiophen |
