Ethylene glycol monobutyl ether, min. 99 %, for synthesis, Molar mass (M) 118,17 g/mol, Density (D) 0,9 g/cm³, Flash point (flp) 67 °C, Boiling point (bp) 172 °C, CAS No. [111-76-2], UN-Nr. 2810, EG-Nr. 203-905-0, Empirical formula C6H14O2