The synthesis and characterization of a stable, acyclic two-coordinate silylene, Si(SArMe6)(2) [Ar-Me6 = C6H3-2,6(C6H2-2,4,6-Me-3)(2)], by reduction of Br2Si(SArMe6) 2 with a magnesium(I) reductant is described. It features a V-shaped silicon coordination with a S-Si-S angle of 90.52(2)degrees and an average Si-S distance of 2.158(3) angstrom. Although it reacts readily with an alkyl halide, it does not react with hydrogen under ambient conditions, probably as a result of the ca. 4.3 eV energy difference between the frontier silicon lone pair and 3p orbitals.