(2E)-4-Oxo-2-Butenoic Acid

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Properties Simple | Detailed

Formula C4H4O3
IUPAC Name (e)-4-oxobut-2-enoic acid
Molecular Mass 100.073 g·mol−1
Heat of Formation -427.0 ± 16.7 kJ·mol−1
Dipole Moment 3.02 ± 1.08 D
Volume 116.31 Å 3
Surface Area 131.54 Å 2
HOMO Energy -10.80 ± 0.55 eV
LUMO Energy 1.54 ± eV
Point Group Symmetry Cs
Synonyms
  • (e)-4-ketobut-2-enoic acid
  • (e)-4-oxobut-2-enoic acid
  • 2-butenoic acid, 4-oxo-
  • 2-butenoic acid, 4-oxo-, (e)-
  • 4-ketobut-2-enoic acid
  • 4-oxo-2-butenoic acid
  • 4-oxobut-2-enoic acid
  • 4-oxoisocrotonic acid
  • fumaraldehydic acid
  • ghl.pd_mitscher_leg0.711
  • malealdehydic acid
CAS Number(s)
  • 1575-59-3
  • 4437-06-3
InChIKey ZOIRMVZWDRLJPI-OWOJBTEDSA-N
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Elements H C O