1,4-Dichlorobenzene D4, 98 Atom%D, Molar mass (M) 151,03 g/mol, Density (D) 1,25 to 1,46 g/cm³, Flash point (flp) 66 °C, Boiling point (bp) 174,1 °C, CAS No. [3855-82-1], UN-Nr. 3077, EG-Nr. 684-572-2, Empirical formula C6D4Cl2