TEMPO, min. 98 %, for synthesis, Molar mass (M) 156,25 g/mol, Density (D) 0,91 g/cm³, Flash point (flp) 67 °C, Boiling point (bp) 175 °C, Storage temp. +4 °C, CAS No. [2564-83-2], UN-Nr. 3263, EG-Nr. 219-888-8, Empirical formula C9H18NO