CAS: 7440-70-2 EC No: 213-179-5 MDL No: MFCD00085314 RTECS: EV8040000 UN No: UN1401; Haz Class: 4.3; Packing Group: II Solid Molecular Formula: Ca MW: 40.08 Melting Point: 850° Boiling Point: 1484° Density (g/mL): 1.54