Azeotropic fumigant compositions of methyl iodide

摘要

An azeotropic or azeotrope-like composition comprises a mixture of methyl iodide and at least one fluorocarbon or hydrofluorocarbon, which composition is a gas at temperatures of about 30°C or below, wherein the at least one fluorocarbon or hydrofluorocarbon comprises cis-1,1,1,3-tetrafluoropropene.