Azeotrope or azeotrope-like compositions of trifluoroidomethane (CF
The present disclosure provides azeotrope or azeotrope-like compositions including trifluoroiodomethane (CF 3 I) and 1,1,1,3,3,3-hexafluoropropane (HFC-236fa), and a method of forming an azeotrope or azeotrope-like composition comprising the step of combining 1,1,1,3,3,3-hexafluoropropane (HFC-236fa) and trifluoroiodomethane (CF 3 I) to form an azeotrope or azeotrope-like comprising 1,1,1,3,3,3-hexafluoropropane (HFC-236fa) and trifluoroiodomethane (CF 3 I) having a boiling point of about −22.70° C.±0.30° C. at a pressure of about 14.30 psia±0.30 psia.
1. A composition comprising an azeotrope composition consisting essentially of from 0.5 wt. % to 10 wt. % 1,1,1,3,3,3-hexafluoropropane (HFC-236fa) and from 90 wt. % to 99.5 wt. % trifluoroiodomethane (CF 3 I), wherein the azeotrope composition has a boiling point of about −22.70° C.±0.30° C. at a pressure of about 14.30 psia±0.30 psia.
2. The composition of claim 1 , wherein the azeotrope composition consists essentially of from 2 wt. % to 10 wt. % 1,1,1,3,3,3-hexafluoropropane (HFC-236fa) and from 90 wt. % to 98 wt. % trifluoroiodomethane (CF 3 I).
3. The composition of claim 1 , wherein the azeotrope composition consists essentially of from about 5 wt. % to about 6 wt. % 1,1,1,3,3,3-hexafluoropropane (HFC-236fa) and from about 94 wt. % to about 95 wt. % trifluoroiodomethane (CF 3 I).
4. The composition of claim 1 , wherein the azeotrope composition consist essentially of about 5.57 wt. % 1,1,1,3,3,3-hexafluoropropane (HFC-236fa) and about 94.43 wt. % trifluoroiodomethane (CF 3 I).
5. The composition of claim 1 , wherein the azeotrope composition consists of from 0.5 wt. % to 10 wt. % 1,1,1,3,3,3-hexafluoropropane (HFC-236fa) and from 90 wt. % to 99.5 wt. % trifluoroiodomethane (CF 3 I).
6. The composition of claim 1 , wherein the azeotrope composition consists of from 2 wt. % 10 wt. % 1,1,1,3,3,3-hexafluoropropane (HFC-236fa) and from 90 wt. % to 98 wt. % trifluoroiodomethane (CF 3 I).
7. The composition of claim 1 , wherein the azeotrope or azeotrope-like composition consists of about 5.57 wt. % 1,1,1,3,3,3-hexafluoropropane (HFC-236fa) and about 94.43 wt. % trifluoroiodomethane (CF 3 I).
8. A method of forming an azeotrope composition comprising the step of combining from 0.5 wt. % to 10 wt. % 1,1,1,3,3,3-hexafluoropropane (HFC-236fa) and from 90 wt. % to 99.5 wt. % trifluoroiodomethane (CF 3 I) to form an azeotrope composition consisting essentially of 1,1,1,3,3,3-hexafluoropropane (HFC-236fa) and trifluoroiodomethane (CF 3 I) having a boiling point of about −22.70° C.±0.30° C. at a pressure of about 14.30 psia±0.30 psia.
9. The composition of claim 8 , wherein the azeotrope composition consists of from 2 wt. % to 10 wt. % 1,1,1,3,3,3-hexafluoropropane (HFC-236fa) and from 90 wt. % to 98 wt. % trifluoroiodomethane (CF 3 I).
10. The method of claim 8 , wherein the combining step comprises combining about 5.57 wt. % 1,1,1,3,3,3-hexafluoropropane (HFC-236fa) and about 94.43 wt. % trifluoroiodomethane (CF 3 I).
11. A method of separating 1,1,1,3,3,3-hexafluoropropane (HFC-236fa) and trifluoroiodomethane (CF 3 I) from a primary composition comprising 1,1,1,3,3,3-hexafluoropropane (HFC-236fa), 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 0.5 wt. % to 10 wt. % 1,1,1,3,3,3-hexafluoropropane (HFC-236fa) and from 90 wt. % to 99.5 wt. % trifluoroiodomethane (CF 3 I) having a boiling point of about −22.70° C.±0.30° C. at a pressure of about 14.30 psia±0.30 psia; and
separating the secondary composition from the primary composition and the at least one impurity.