CAS: 1305-78-8 EC No: 215-138-9 MDL No: MFCD00010911 RTECS: EW3100000 UN No: UN1910; Haz Class: 8; Packing Group: III Powder Molecular Formula: CaO MW: 56.08 Boiling Point: 2850° Density (g/mL): 3.3