甲基丙烯酸丁酯

Mass

MS-NW-0932          
butyl methacrylate
C8H14O2             (Mass of molecular ion:    142)

   Source Temperature: 280 °C
   Sample Temperature: 150 °C
   Reservoir, 75 eV

      18.0       1.1
      26.0       1.3
      27.0       9.1
      28.0      12.0
      29.0      18.0
      31.0       1.5
      32.0       2.8
      38.0       1.5
      39.0      22.3
      40.0       5.7
      41.0      86.2
      42.0       4.7
      43.0       3.4
      45.0       1.6
      55.0       9.6
      56.0      59.0
      57.0       9.1
      59.0       2.6
      68.0       1.3
      69.0     100.0
      70.0       6.1
      74.0       1.2
      86.0       3.5
      87.0      70.5
      88.0       3.5
      99.0       1.5
     113.0       1.3

Assign. Shift(ppm) A 0.95 B 1.20 to 1.85 C 4.14 D 1.94 E 5.534 F 6.093

     Hz     ppm     Int.

    548.06   6.120     85
    547.06   6.109    224
    546.06   6.098    263
    545.31   6.089    266
    544.31   6.078    212
    543.31   6.067     70
    498.88   5.571     61
    497.31   5.553    237
    495.63   5.535    331
    494.00   5.516    226
    492.38   5.498     63
    378.25   4.224    222
    371.81   4.152    583
    365.50   4.082    289
    175.19   1.957    836
    174.19   1.945   1000
    173.63   1.939    955
    172.63   1.928    825
    162.44   1.814     32
    156.19   1.744     80
    154.00   1.720     60
    152.19   1.700     43
    149.50   1.670    148
    147.44   1.647    103
    142.88   1.596    170
    140.50   1.569    110
    136.69   1.527    151
    132.25   1.477     86
    130.63   1.459    117
    128.88   1.440    120
    127.94   1.429     90
    125.00   1.396     96
    122.19   1.365    109
    121.00   1.352     52
    120.44   1.345     54
    119.38   1.333     41
    118.75   1.326     44
    115.69   1.292     95
    114.44   1.278     50
    109.13   1.219     45
     91.75   1.025    278
     90.94   1.016    257
     87.56   0.978     40
     85.13   0.951    591
     83.69   0.935    202
     80.94   0.904     49
     78.94   0.882    100
     77.63   0.867    124
     75.75   0.846     60