CAS: 143-33-9 EC No: 205-599-4 MDL No: MFCD00003523 RTECS: VZ7525000 UN No: UN1689; Haz Class: 6.1; Packing Group: I Crystalline Linear Formula: NaCN MW: 49.01 Melting Point: 564° Boiling Point: 1500° Density (g/mL): 1.61