Dispiro[5,1,5,1]-tetradecane-7,14-dione

Mass

MS-IW-2707          
dispiro(5.1.5.1)tetradecane-7,14-dione
C14H20O2            (Mass of molecular ion:    220)

   Source Temperature: 120 °C
   Sample Temperature:  80 °C
   Direct, 75 eV

      27.0       1.1
      39.0       2.5
      40.0       1.0
      41.0       4.7
      53.0       3.2
      54.0       4.9
      55.0       2.0
      67.0      21.2
      68.0       2.1
      77.0       1.2
      79.0       3.3
      81.0       6.4
      82.0       9.7
      83.0       1.7
      92.0       1.0
     109.0       3.9
     110.0     100.0
     111.0       8.4
     164.0       3.1
     220.0      14.8
     221.0       2.3