CAS: 7487-94-7 EC No: 231-299-8 MDL No: MFCD00011041 RTECS: OV9100000 UN No: UN1624; Haz Class: 6.1; Packing Group: II Powder Linear Formula: HgCl₂ MW: 271.50 Melting Point: 277° Boiling Point: 302° Density (g/mL): 5.44 Refractive Index: 1.859