71 found c 33 36 h 4 48 s 17 56 cl 19 51 n 7 70 the yield for a number of runs varied between 80 and 86 grams the residue which remained was distilled and consisted almost entirely of the sulfite corresponding to the chlorosulfinyl nitrile bp 97 u00b0 98 u00b0 c at 0 1 mm pressure anal calcd for c 10 h 16 o 3 n 2 s c 49 18 h 6 56 n 11 47 s 13 11 found c 49 52 h 6 63 n 11 61 s 12 86 alternatively the chlorosulfinyl nitrile 50 g as prepared above was refluxed with 60 g of thionyl chloride for five hours after which the excess thionyl chloride was removed at atmospheric pressure the residue was distilled at 149 u00b0 150 u00b0 c at atmospheric pressure to yield a colorless oil 2 chloroisobutyronitrile weighing 30 g anal calcd for c 5 h 8 ncl c 51 08 h 6 81 n 11 91 cl 30 18 found c 51 31 h 6 85 n 12 15 cl 29 86 also alternatively the chlorosulfinyl nitrile 30 g was added to 30 ml of formamide and the mixture shaken.