| abstract |
The present invention provides a catalyst composition for hydrogenation comprising: dichlorotitanocene; and containing one or more elements selected from the group consisting of Li, Na, K, Mg, Zn, Al, and Ca. An organometallic compound; an unsaturated compound; and a polar compound, and the content ratio of the unsaturated compound to the titanium dichlorotitanocene is 0.1 or more and 8.0 or less, and a ratio of the polar compound to the titanium dichloride It is 0.01 or more and 2.0 or less. |