Pyridine D5, 99,5 Atom%D, Molar mass (M) 84,13 g/mol, Density (D) 1,05 g/cm³, Flash point (flp) 20 °C, Boiling point (bp) 114 °C, CAS No. [7291-22-7], UN-Nr. 1282, EG-Nr. 230-720-2, Empirical formula C5D5N