Technetium disulphide is a binary inorganic chemical compound of technetium metal and sulfur with the chemical formula .
Synthesis The compound can be prepared from the higher oxide:
Also, the compound can be prepared by the reaction between both elements in a sealed tube at 450 °C, by the reaction between such components as and -gas in a flowing system at 450 °C, and by the reaction between and -gas in sulfuric acid.
Physical properties Technetium disulfide is isomorphous with rhenium disulfide and has an -type structure.
Technetium disulphide is reduced to the metal if heated to 1000 °C in a hydrogen atmosphere.
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