γ-Valerolactone has strong reactivity and can be used as a resin solvent and an intermediate of various related compounds. Also used as lubricants, plasticizers, gelling agents for non-ionic surfactants, lactone additives for leaded, and for dyeing cellulose esters and synthetic fibers. Gamma-valerolactone has vanillin and coconut aromas. my country's GB2760-86 stipulates that it is allowed to use edible spices. Mainly used to prepare peach, coconut, vanilla and other flavors.