2(5H)-Furanone

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Properties Simple | Detailed

Formula C4H4O2
IUPAC Name 2h-furan-5-one
Molecular Mass 84.073 g·mol−1
Heat of Formation -236.6 ± 16.7 kJ·mol−1
Dipole Moment 4.81 ± 1.08 D
Volume 96.55 Å 3
Surface Area 110.92 Å 2
HOMO Energy -10.95 ± 0.55 eV
LUMO Energy 2.38 ± eV
Point Group Symmetry Cs
Synonyms
  • .delta..alpha.,.beta.-butenolide
  • .delta..alpha.,.beta.-butolide
  • .gamma.-crotonolactone
  • .gamma.-hydroxycrotonic acid lactone
  • 2-buten-1,4-olide
  • 2-buten-4-olide
  • 2-butenoic acid gamma-lactone
  • 2-butenoic acid, 4-hydroxy-, .gamma.-lactone
  • 2-butenoic acid, 4-hydroxy-, gamma-lactone
  • 2-butenoic acid-.gamma.-lactone
  • 2-butenoic acid-gamma-lactone
  • 2-butenolide
  • 2-oxo-2,5-dihydrofuran
  • 4-hydroxy-2-butenoic acid .gamma.-lactone
  • 4-hydroxy-2-butenoic acid lactone
  • 4-hydroxycrotonic acid gamma-lactone
  • 5h-furan-2-one
  • alpha,beta-crotonolactone
  • but-2-en-4-olide
  • butenolide
  • crotonic acid, 4-hydroxy-, gamma-lactone (6ci,7ci)
  • crotonolactone
  • delta,alpha,beta-butenolide
  • furan-2(5h)-one
  • gamma-crotolactone
  • gamma-crotonolactone
  • gamma-hydroxycrotonic acid lactone
  • isocrotonolactone
CAS Number(s)
  • 497-23-4
InChIKey VIHAEDVKXSOUAT-UHFFFAOYSA-N
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