Title:  Sodium Amalgam 
CAS Registry Number:  11110-52-4 
Literature References:  An alloy of sodium and mercury.  Readily prepd by adding sodium metal in small portions at a time to mercury.  The combination takes place with evolution of much heat.  The sodium contents of the amalgam can be varied, as desired, up to about 20% sodium, corresponding to approx Na2Hg.  The consistency and mp vary with the sodium content; the amalgam corresponding to NaHg2, 5.4% Na, has the highest mp, +360°. 
Properties:  Sodium amalgams are dec by water similarly to sodium metal, but more slowly.  Keep tightly closed.   |