| abstract |
[PROBLEMS] To manufacture 1234E to 1234Z while suppressing by-production of 245fa. A process for producing cis-1,3,3,3-tetrafluoropropene comprising contacting trans-1,3,3,3-tetrafluoropropene with a catalyst, comprising trans-1,3 , 3,3-tetrafluoropropene is contacted with the catalyst at a reaction temperature of 200 ° C. or more and 550 ° C. or less and a contact time of 0.01 seconds or more and 500 seconds or less. -Method for producing tetrafluoropropene. [Selection] Figure 1 |