Manganese(II) acetate tetrahydrate, ROTI®METIC 99,999 % (5N), Molar mass (M) 245,08 g/mol, Density (D) 1,58 g/cm³, Flash point (flp) >130 °C, Boiling point (bp) >300 °C, CAS No. [6156-78-1], EG-Nr. 211-334-3, Empirical formula Mn(CH3COO)2 · 4 H2O