PRELIMINARY N&E P31 and placed in a dessicator. Within one minute the white KSeCN began to turn reddish; after ten minutes the solid layer was a deep red-black. The system was allowed to stand for 24 hours, after which the liquid was filtered and distilled to give 1.28 g of a clear colorless liquid, bp. 175-1770, for a 26.8% yield.(Found: C, 27.3; H, 5.3; N, 7.5. C, H, NSeSi calcd.: C, 27.0; H, 5.1; N, 7.9 x.)(CHs) sSiCl and (C2Hs) sSiCl are converted ...