| 摘要 |
<p>Disclosed is a method for commercially producing 1,2,3,4-tetrachlorohexafluorobutane safely with high yield at low cost. Specifically disclosed is a method for producing 1,2,3,4-tetrachlorohexafluorobutane, which is characterized by comprising a step (1) wherein a mixture containing 1,2,3,4-tetrachlorobutane is obtained by chlorinating 1,3-butadiene, and a step (2) wherein a mixture containing 1,2,3,4-tetrachlorohexafluorobutane is obtained by reacting 1,2,3,4-tetrachlorobutane obtained in the step (1) with a fluorine gas in a gaseous phase in the presence of a dilution gas.</p> |
