| 摘要 |
The invention relates to a stable composition (CS) comprising at least x wt.-% 2,3,3,3-tetrafluoropropene (99.8@x<100), at most y wt.-% unsaturated compound(s) (Ia) (0<y@0.2) selected from among 3,3,3-trifluoropropene (HFO-1243zf) and the positional isomers of 2,3,3,3-tetrafluoropropene, such as 1,3,3,3-tetrafluoropropene (isomers Z and E) and 1,1,2,3-tetrafluoropropene, and, optionally, at most 500 ppm of 3,3,3-trifluoropropyne and/or at most 200 ppm 1,1,1,2,3-pentafluoropropene (HFO-1225ye). |
