Dimethyl sulphoxide, min. 99.5 %, for synthesis, Molar mass (M) 78,13 g/mol, Density (D) 1,1 g/cm³, Flash point (flp) 87 °C, Boiling point (bp) 189 °C, CAS No. [67-68-5], EG-Nr. 200-664-3, Empirical formula C2H6OS