Diethyl ether, min. 99,5 %, for synthesis, stab., Molar mass (M) 74,12 g/mol, Density (D) 0,71 g/cm³, Flash point (flp) -40 °C, Boiling point (bp) 34,58 to 34,59 °C, CAS No. [60-29-7], UN-Nr. 1155, EG-Nr. 200-467-2, Empirical formula C4H10O