Aluminium oxide, nano, ROTI®nanoMETIC min. 99,8 %, ca. 40 nm, alpha, Molar mass (M) 101,94 g/mol, Density (D) 3,97 g/cm³, Boiling point (bp) 2980 °C, CAS No. [1344-28-1], EG-Nr. 215-691-6, Empirical formula Al2O3