Patent ID: 8680037

Claim:
A composition consisting essentially of: (a) Z-1,1,1,4,4,4-hexafluoro-2-butene; and (b) a component selected from the group consisting of: (i) 1-27 mole percent ethanol, wherein the composition comprises ethanol, and wherein the component forms an azeotrope-like mixture with Z-1,1,1,4,4,4-hexafluoro-2-butene; (ii) 1-99 mole percent 2-chloro-3,3,3-trifluoropropene, wherein the component forms an azeotrope-like combination with Z-1,1,1,4,4,4-hexafluoro-2-butene; (iii) 1-38 mole percent methanol, wherein the component forms an azeotrope-like mixture with Z-1,1,1,4,4,4-hexafluoro-2-butene; (v) 1-99 mole percent 2-bromo-3,3,3-trifluoropropene wherein the component forms an azeotrope-like mixture with Z-1,1,1,4,4,4-hexafluoro-2-butene; (vi) 49-99 mole percent methyl acetate, wherein the component forms an azeotrope-like mixture with Z-1,1,1,4,4,4-hexafluoro-2-butene; (vii) 1-47 mole percent methyl acetate, wherein the component forms an azeotrope-like mixture with Z-1,1,1,4,4,4-hexafluoro-2-butene; (viii) 39-99 mole percent acetone, wherein the component forms an azeotrope-like mixture with Z-1,1,1,4,4,4-hexafluoro-2-butene; (ix) 1-40 mole percent chloroform wherein the component forms an azeotrope-like mixture with Z-1,1,1,4,4,4-hexafluoro-2-butene; (x) 1-31 mole percent n-hexane wherein the component forms an azeotrope-like mixture with Z-1,1,1,4,4,4-hexafluoro-2-butene; (xi) 36-99 mole percent 1-chloro-3,3,3-trifluoropropene wherein the component forms an azeotrope-like mixture with Z-1,1,1,4,4,4-hexafluoro-2-butene; and; (xii) 1-19 mole percent 1-chloro-3,3,3-trifluoropropene, wherein the component forms an azetrope-like mixture with Z-1,1,1,4,4,4-hexafluoro-2-butene.