HCl; AlCl3 in benzene to a suspn. of tetrasilane in benzene a small amount of AlCl3 was added, heated to 50°, HCl(g) was passed for 20 min; evapd., heptane was added, distilled (65°C, 0.05 mbar);

aluminium trichloride in benzene (N2); a soln. of phenylsilane treated with dry HCl in the presence of AlCl3;

in neat (no solvent) passing dry Cl2 through a glass tube, filled with Ca-silicide and heated by a electric spiral at 150-250 °C for about 12-14 days, further products;; fractional distillation;;

in anhydrous butyl ether under inert gas;