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Helium

A colorless, odorless, tasteless, inert gas.

Chemical Symbol: He
CAS Registry Number: 7440-59-7
DOT Class: 2.2
DOT Label: Nonflammable Gas
UN Number: UN 1046 or UN 1963

 

  U.S. Units SI Units
Chemical formula He He
Molecular weight 4.003 4.003
Specific volume   96.7 ft3/lb


 
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