in neat (no solvent)
distillation (common pressure/b.p. 140°C);;
参考文献
Mayes, H. A.; Partington, J. R.
Journal of the Chemical Society, 1926 , p. 2594 - 2605
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Gmelin Handbook: S: MVol.B3, 159, page 1866 - 1868
in tetrachloromethane
introduction of dry HBr (react. cotrolled by addn. of CO2) into soln. of S4N4 in CCl4; pptn.;; filtration; washing; drying (clay/desiccator - vac.);