Diphosphorus tetrachloride is an inorganic compound with a chemical formula . It is a colorless liquid that decomposes near room temperature and ignites in air.
Production It was first prepared in 1910 by Gauthier by the following reaction:
An improved method involves coevaporation of phosphorus trichloride and copper, as described by the following:
Reactions Near room temperature, the compound degrades to give phosphorus trichloride and an ill-defined phosphorus monochloride:
The compound adds to cyclohexene to give trans--1,2-.
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