Benzoic acid sodium salt, ROTICHROM® Working Standard, Molar mass (M) 144,11 g/mol, Density (D) 1,5 g/cm³, Flash point (flp) >100 °C, Boiling point (bp) >450 °C, CAS No. [532-32-1], EG-Nr. 208-534-8, Empirical formula C7H5NaO2