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Identification |
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Name |
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2H-Pyran-2-one |
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Synonyms |
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Coumalin; alpha-Pyrone |
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Molecular Structure |
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 |
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Molecular Formula |
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C5H4O2 |
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Molecular Weight |
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96.08 |
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CAS Registry Number |
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504-31-4 |
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EINECS |
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207-990-5 |
| |
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Properties |
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Solubility |
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Freely soluble (313 g/L) (25 ºC), Calc.* |
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Density |
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1.2039 g/cm3 (20 ºC)** |
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Melting point |
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171-172 ºC*** |
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Boiling point |
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207.5 ºC**** |
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Refractive index |
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1.56674 (19.45 ºC)***** |
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Flash point |
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89.2±16.1 ºC, Calc.* |
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*
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Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2019 ACD/Labs)
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**
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Zakharkin, L. I.; Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya 1960, P1583-9.
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***
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Belil, C.; Tetrahedron 1964, V20(11), P2701-8.
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****
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"PhysProp" data were obtained from Syracuse Research Corporation of Syracuse, New York (US)
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*****
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v. Auwers, K.; Justus Liebigs Annalen der Chemie 1921, V422, P133-59.
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