4,4'-二甲基安息香

Mass

MS-NW-9352          
4,4'-dimethylbenzoin
C16H16O2            (Mass of molecular ion:    240)

   Source Temperature: 180 °C
   Sample Temperature: 130 °C
   Direct, 75 eV

      18.0       2.0
      39.0       2.1
      41.0       1.0
      51.0       1.4
      63.0       1.1
      65.0       7.9
      77.0       7.3
      78.0       1.2
      89.0       1.3
      91.0      29.4
      92.0       3.0
      93.0      15.8
      94.0       1.2
     119.0     100.0
     120.0      10.5
     121.0      87.0
     122.0       7.6
     223.0       1.0
     240.0       4.0

Assign. Shift(ppm) A 7.805 B 7.208 C 7.141 D 7.087 E 5.891 F 4.61 G 2.298 J 2.240

     Hz     ppm     Int.

   3124.15   7.818    337
   3122.44   7.813    119
   3117.55   7.801    130
   3115.84   7.797    366
   3114.14   7.793     66
   2885.38   7.220    280
   2883.67   7.216    110
   2879.15   7.205    131
   2877.32   7.200    398
   2858.64   7.153    251
   2858.03   7.152    291
   2850.10   7.132    281
   2849.37   7.130    244
   2835.69   7.096    312
   2827.88   7.076    239
   2354.49   5.892    113
   1844.12   4.615     47
    918.46   2.299    972
    895.39   2.241   1000