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US 11,028,028 B2Granted
Process for preparing 3,3,3-trifluoroprop-1-ene
AssigneeThe Chemours Company Fc, LLC
InventorsXuehui Sun, Karl Robert Krause
Life of this patent
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Abstract
The present application provides a process of preparing 3,3,3-trifluoroprop-1-ene, comprising reacting 3-chloro-1,1,1-trifluoropropane with a base in an aqueous solvent component in the absence of a phase transfer catalyst.
Claims11
A composition comprising:
- i) 3-chloro-1,1,1-trifluoropropane (253fb);
- and
- ii) 1,1,1,3-tetrafluoropropane (254fb).
A composition comprising:
- about 95 to about 99 percent 3,3,3-trifluoroprop-1-ene (1243zf);
- about 1 to about 2 percent 3-chloro-1,1,1-trifluoropropane (253fb);
- and
- about 0.1 to about 0.2 percent 2-chloro-3,3,3-trifluoropropene (1233xf).
1 more element
A composition comprising:
- about 98 to about 99 percent 3,3,3-trifluoroprop-1-ene (1243zf);
- about 1 to about 2 percent 3-chloro-1,1,1-trifluoropropane (253fb);
- and
- about 0.1 to about 0.2 percent 2-chloro-3,3,3-trifluoropropene (1233xf).
1 more element
A composition comprising:
- about 70 to about 80 percent 3,3,3-trifluoroprop-1-ene (1243zf);
- about 20 to about 25 percent 3-chloro-1,1,1-trifluoropropane (253fb);
- about 0.05 to about 0.1 percent 2-chloro-3,3,3-trifluoropropene (1233xf);
- and
- about 0.01 to about 0.05 percent 1,1,1,3-tetrafluoropropane (254fb).
2 more elements
A composition comprising:
- about 74 to about 76 percent 3,3,3-trifluoroprop-1-ene (1243zf);
- about 23 to about 25 percent 3-chloro-1,1,1-trifluoropropane (253fb);
- about 0.05 to about 0.07 percent 2-chloro-3,3,3-trifluoropropene (1233xf);
- and
- about 0.01 to 0.02 percent 1,1,1,3-tetrafluoropropane (254fb).
2 more elements
Dependencies are inferred from the claim text.