Bis(trimethylsilyl)sulfur diimide is the organosulfur compound with the formula S(NSiMe3)2 (Me = CH3).

A colorless liquid, it is a diaza analogue of sulfur dioxide, i.e., a sulfur diimide.

It is a reagent in the synthesis of sulfur nitrides.

For example, it is a precursor to C2(N2S)2.

[1] Bis(trimethylsilyl)sulfur diimide is prepared by the reaction of thionyl chloride and sodium bis(trimethylsilyl)amide:[2]