苯甲酮二甲基缩酮

Mass

MS-KW-0283          
benzophenone dimethyl acetal
C15H16O2            (Mass of molecular ion:    228)

   Source Temperature: 230 °C
   Sample Temperature: 150 °C
   Reservoir, 75 eV

      15.0       2.4
      29.0       1.9
      31.0       1.8
      39.0       1.3
      45.0       1.0
      50.0       3.6
      51.0      14.1
      52.0       1.0
      59.0       4.3
      63.0       1.4
      65.0       1.0
      74.0       1.8
      75.0       1.5
      76.0       4.7
      77.0      55.7
      78.0       4.0
      82.5       2.0
      91.0       7.3
      92.0       1.1
     105.0      83.7
     106.0       6.5
     151.0      28.2
     152.0       6.4
     153.0       2.5
     154.0       2.3
     165.0       3.4
     181.0       4.1
     182.0      20.6
     183.0       3.0
     197.0     100.0
     198.0      15.6
     199.0       1.3

Assign. Shift(ppm) A 7.498 B 7.279 C 7.208 D 3.121

     Hz     ppm     Int.

   3003.91   7.514    108
   3002.45   7.511    151
   3000.49   7.506     44
   2996.71   7.496     65
   2996.22   7.495     66
   2995.49   7.493    143
   2994.88   7.492    112
   2994.15   7.490    136
   2992.19   7.485     32
   2919.44   7.303     50
   2918.34   7.300     84
   2916.75   7.296     34
   2911.26   7.283    172
   2909.80   7.279     95
   2905.03   7.267     46
   2903.57   7.263     98
   2903.08   7.262     86
   2901.49   7.258     24
   2888.31   7.225     42
   2886.97   7.222     81
   2885.63   7.218     51
   2881.84   7.209     31
   2879.52   7.203     81
   2877.32   7.198     25
   2873.66   7.189     19
   2872.32   7.185     32
   2871.10   7.182     18
   1247.69   3.121   1000
   1175.54   2.941      7