Azeotrope or azeotrope-like compositions of trifluoroiodomethane (CF
The present disclosure provides azeotrope or azeotrope-like compositions including trifluoroiodomethane (CF 3 I) and 1,1,1,2,2,3,3-heptafluoropropane (HFC-227ca), and a method of forming an azeotrope or azeotrope-like composition comprising the step of combining 1,1,1,2,2,3,3-heptafluoropropane (HFC-227ca) and trifluoroiodomethane (CF 3 I) to form an azeotrope or azeotrope-like comprising 1,1,1,2,2,3,3-heptafluoropropane (HFC-227ca) and trifluoroiodomethane (CF 3 I) having a boiling point of about −24.46° C.±0.30° C. at a pressure of about 14.40 psia±0.30 psia.
1. A composition comprising an azeotrope composition consisting essentially of from about 13 wt. % to about 42 wt. % 1,1,1,2,2,3,3-heptafluoropropane (HFC-227ca) and from about 58 wt. % to about 87 wt. % trifluoroiodomethane (CF 3 I), wherein the azeotrope composition has a boiling point of about −24.46° C.±0.30° C. at a pressure of about 14.40 psia±0.30 psia.
2. The composition of claim 1 , wherein the azeotrope composition consists essentially from about 18 wt. % to about 37 wt. % 1,1,1,2,2,3,3-heptafluoropropane (HFC-227ca) and from about 63 wt. % to about 82 wt. % trifluoroiodomethane (CF 3 I).
3. The composition of claim 1 , wherein the azeotrope composition consists essentially of from about 23 wt. % to about 24 wt. % 1,1,1,2,2,3,3-heptafluoropropane (HFC-227ca) and from about 76 wt. % to about 77 wt. % trifluoroiodomethane (CF 3 I).
4. The composition of claim 1 , wherein the azeotrope composition consists essentially of about 23.74 wt. % 1,1,1,2,2,3,3-heptafluoropropane (HFC-227ca) and about 76.26 wt. % trifluoroiodomethane (CF 3 I).
5. The composition of claim 1 , wherein the azeotrope composition consists of from about 13 wt. % to about 42 wt. % 1,1,1,2,2,3,3-heptafluoropropane (HFC-227ca) and from about 58 wt. % to about 87 wt. % trifluoroiodomethane (CF 3 I).
6. The composition of claim 1 , wherein the azeotrope composition consists of from about 18 wt. % to about 37 wt. % 1,1,1,2,2,3,3-heptafluoropropane (HFC-227ca) and from about 63 wt. % to about 82 wt. % trifluoroiodomethane (CF 3 I).
7. The composition of claim 1 , wherein the azeotrope composition consists of about 23.74 wt. % 1,1,1,2,2,3,3-heptafluoropropane (HFC-227ca) and about 76.26 wt. % trifluoroiodomethane (CF 3 I).
8. A method of forming an azeotrope composition comprising the step of combining 1,1,1,2,2,3,3-heptafluoropropane (HFC-227ca) and trifluoroiodomethane (CF 3 I) to form an azeotrope composition consisting essentially of from about 13 wt. % to about 42 wt. % 1,1,1,2,2,3,3-heptafluoropropane (HFC-227ca) and from about 58 wt. % to about 87 wt. % trifluoroiodomethane (CF 3 I) having a boiling point of about −24.46° C.±0.30° C. at a pressure of about 14.40 psia±0.30 psia.
9. The method of claim 8 , wherein the combining step comprises combining from about 18 wt. % to about 37 wt. % 1,1,1,2,2,3,3-heptafluoropropane (HFC-227ca) and from about 63 wt. % to about 82 wt. % trifluoroiodomethane (CF 3 I).
10. The method of claim 9 , wherein the combining step comprises combining about 23.74 wt. % 1,1,1,2,2,3,3-heptafluoropropane (HFC-227ca) and about 76.26 wt. % trifluoroiodomethane (CF 3 I).
11. A method of separating 1,1,1,2,2,3,3-heptafluoropropane (HFC-227ca) and trifluoroiodomethane (CF 3 I) from a primary composition comprising 1,1,1,2,2,3,3-heptafluoropropane (HFC-227ca), trifluoroiodomethane (CF 3 I) and at least one impurity, including the steps of:
forming, within the primary composition, a secondary composition which is an azeotrope composition consisting essentially of from about 13 wt. % to about 42 wt. % 1,1,1,2,2,3,3-heptafluoropropane (HFC-227ca) and from about 58 wt. % to about 87 wt. % trifluoroiodomethane (CF 3 I) having a boiling point of about −24.46° C.±0.30° C. at a pressure of about 14.40 psia±0.30 psia; and
separating the secondary composition from the primary composition and the at least one impurity.