CAS: 6556-16-7 EC No: 211-367-3 MDL No: MFCD00150452 UN No: UN3288; Haz Class: 6.1; Packing Group: III Powder/Chunks Linear Formula: MnC₂O₄·2H₂O MW: 178.99 Melting Point: 100° (decomposes) Density (g/mL): 2.453