理化性质

    分子量：                                                            32.118
    熔点(101.325kPa)：                                          -185.0℃
    沸点(101.325kPa)：                                          -111.5℃
    液体密度(-185℃)：                                           711kg/m3                                   
    气体密度(0℃,100kPa)：                                   1.42kg/m3                                   
    相对密度(气体，空气=1，20℃，101.325kPa)：    1.114                                  
    比容(21.1℃,101.325kPa)：                                0.7518m3/kg
    气液容积比(15℃,100kPa)：                                 412L/L
    临界温度：                                                          -3.4℃
    临界压力：                                                          4843kPa