3-甲基-2-丁烯酸乙酯

Mass

MS-IW-1259          
ethyl 3,3-dimethylacrylate
C7H12O2             (Mass of molecular ion:    128)

   Source Temperature: 220 °C
   Sample Temperature: 160 °C
   Reservoir, 75 eV

      27.0       9.2
      28.0       2.0
      29.0      17.6
      39.0       9.4
      40.0       1.1
      41.0       3.2
      42.0       1.4
      43.0       3.0
      45.0       1.0
      53.0       4.6
      54.0       5.5
      55.0      33.3
      56.0       3.2
      57.0       1.4
      59.0       2.8
      67.0       1.1
      82.0      26.7
      83.0     100.0
      84.0       6.5
      85.0      14.8
      99.0       1.0
     100.0      24.6
     101.0       1.6
     113.0       5.2
     128.0      39.8
     129.0       4.0

Assign. Shift(ppm) A 5.671 B 4.137 C 2.168 D 1.889 E 1.267

     Hz     ppm     Int.

   2269.04   5.678    131
   2267.70   5.675    264
   2266.36   5.671    322
   2265.01   5.668    253
   2263.67   5.665    124
   2262.33   5.661     39
   1664.43   4.165    227
   1662.48   4.160     24
   1657.23   4.147    578
   1650.15   4.129    574
   1642.94   4.111    235
    867.19   2.170    866
    865.72   2.167    772
    755.74   1.892    841
    754.15   1.888    756
    513.67   1.286    656
    506.59   1.268   1000
    499.39   1.250    629