4-Hydroxypyran-2-One
[CAS# 50607-32-4]

Identification

• Name: 4-Hydroxypyran-2-One
• Synonyms: 2-Hydroxy-4-Pyranone; 2H-Pyran-2-One, 4-Hydroxy-; 4-Hydroxypyran-2-One
• Molecular Formula: C₅H₄O₃
• Molecular Weight: 112.08
• CAS Registry Number: 50607-32-4
• SMILES: O=C1C=C(OC=C1)O
• InChI: 1S/C5H4O3/c6-4-1-2-8-5(7)3-4/h1-3,7H
• InChIKey: WTLPSDOYWLDZSL-UHFFFAOYSA-N

Properties

• Density: 1.483g/cm³ (Cal.)
• Boiling point: 299.147°C at 760 mmHg (Cal.)
• Flash point: 140.075°C (Cal.)

References

• (1): Erich Kleinpeter and Andreas Koch. Chelatoaromaticity—existing: yes or no? An answer given by spatial magnetic properties (through space NMR shieldings—TSNMRS), Phys. Chem. Chem. Phys., 2011, 13, 20593.