Enthalpies of vaporization at T = 298.15 K of cis and trans-whiskey lactone have been evaluated by correlation gas chromatography to be (68.4 +/- 1.7) kj.mol(-1) and (67.5 +/- 1.7) kj.mol(-1), respectively. The enthalpies of vaporization of isomintlactone and mintlactone also evaluated by correlation gas chromatography have been found to have vaporization enthalpies of (74.2 +/- 1.8) kj.mol(-1) and (73.2 +/- 1.8) kj.mol(-1) respectively. The vapor pressures for cis and trans-whiskey lactone at T= 298.15 K have been evaluated as (1.5 +/- 0.09) Pa and (2.0 +/- 0.1) Pa using vapor pressures of a series of lactones as standards. Vapor pressures for isomintlactone and mintlactone were evaluated as (0.26 +/- 0.012) Pa and (0.33 +/- 0.02) Pa, respectively. Fusion and sublimation enthalpies for (+)-isomintlactone as well as the vapor pressure of the solid have been estimated. (C) 2017 Elsevier Ltd.