1,1,2,2-Tetrachloroethane D2, 99,5 Atom%D, Molar mass (M) 169,86 g/mol, Density (D) 1,595 g/cm³, Boiling point (bp) 146 °C, CAS No. [33685-54-0], UN-Nr. 1702, EG-Nr. 251-634-1, Empirical formula C2Cl4D2