Dipropylene glycol monobutyl ether, min 98 %, for synthesis, Molar mass (M) 190,28 g/mol, Density (D) 0,91 g/cm³, Flash point (flp) 100,4 °C, Boiling point (bp) 230 °C, CAS No. [29911-28-2], EG-Nr. 249-951-5, Empirical formula C10H22O3