闪点	23°
沸点	120℃ at 760 mmHg
密度	0.96
储存条件	+4℃/Light sensitive

n-BuLi gives the alkynyllithium derivative, stable at low temperatures: J. Org. Chem., 45, 28 (1980). For use in a sequence for the synthesis of butenolides, see: J. Am. Chem. Soc., 101, 1544 (1979). Conjugate addition of allylic alcohols in the presence