Alpha-Angelica lactone

C5H6O2CAS 591-12-898.10 g/mol

OO
AlkeneEsterLactone

Properties

Molecular formula
C5H6O2
Molar mass
98.10 g/mol
Exact mass
98.0368 Da
Density
1.091 g/mL (at 20.44 °C)
Melting point
18 °C
Boiling point
55–56 °C (at 13 Torr)
logP
0.84Crippen estimate
Polar surface area
26.3 Ų
H-bond donors / acceptors
0 / 2
Rotatable bonds
0

Hazards

Warning
Irritant (GHS07)

Aggregated from 1,560 ECHA notifications, via PubChem; a share says how many notifiers assign that statement.

Precautionary statements

P261, P272, P280, P302+P352, P321, P333+P317, P362+P364, P501

Identifiers

CAS number
591-12-8
SMILES
CC1=CCC(=O)O1
InChIKey
QOTQFLOTGBBMEX-UHFFFAOYSA-N
InChI
InChI=1S/C5H6O2/c1-4-2-3-5(6)7-4/h2H,3H2,1H3

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Names and synonyms

15 names · show all
  • α-Angelica lactone
  • 2(3H)-Furanone, 5-methyl-
  • 3-Pentenoic acid, 4-hydroxy-, γ-lactone
  • 5-Methyl-2(3H)-furanone
  • 4-Hydroxypent-3-enoic acid lactone
  • β,γ-Angelica lactone
  • δ2-Angelica lactone
  • 4-Hydroxy-3-pentenoic acid γ-lactone
  • 5-Methyl-2,3-dihydro-2-furanone
  • 5-Methylfuran-2(3H)-one
  • 2-Oxo-5-methyl-2,3-dihydrofuran
  • γ-Angelica lactone
  • NSC 654
  • Pent-3-en-4-olide
  • 2,3-Dihydro-5-methylfuran-2-one

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Similar compounds

Tanimoto similarity of circular fingerprints over the whole catalogue. All similar compounds

Same formula

Elsewhere