Sodium nitrite, ROTI®METIC 99,99 % (4N), Molar mass (M) 69,00 g/mol, Density (D) 2,17 g/cm³, Boiling point (bp) 320 °C, CAS No. [7632-00-0], UN-Nr. 1500, EG-Nr. 231-555-9, Empirical formula NaNO2