Thorium trichloride is a binary inorganic compound of thorium metal and chlorine with the chemical formula .
Synthesis The compound can be prepared by reducing thorium tetrachloride at 800 °C:
Also a reaction of both elements:
Other reactions are also known.
Physical properties The compound forms crystals of the uranium trichloride crystal system.
Chemical properties Above 630 °C thorium trichloride dissociates into the dichloride and tetrachloride.
Uses Thorium trichloride is supposed to be used in a dual fluid reactor as reactor fuel.
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