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2H-Pyran-2-one
[CAS# 504-31-4]

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