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Methane

A colorless, odorless, tasteless, flammable gas.

Chemical Symbol: CH4
CAS Registry Number: 74-82-8
DOT Class: 2.1
DOT Label: Flammable
UN Number: UN 1971

 

  U.S. Units SI Units
Chemical formula CH4 CH4
Molecular weight 16.04 16.04
Specific volume 23.80 ft3/lb
Flammability limits  5.0 - 15.4% in Air


 
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