Tetrahydrofuran, ROTIDRY®, plus min. 99,5 % (max. 50 ppm H2O), with molecularsieve, stabilised, Molar mass (M) 72,11 g/mol, Density (D) 0,883 g/cm³, Flash point (flp) -21,2 °C, Boiling point (bp) 65 °C, CAS No. [109-99-9], UN-Nr. 2056, EG-Nr. 203-726-8, Empirical formula C4H8O