tert-Butyl methacrylate

Mass

MS-NW-4850          
tert-butyl methacrylate
C8H14O2             (Mass of molecular ion:    142)

   Source Temperature: 260 °C
   Sample Temperature: 180 °C
   Reservoir, 75 eV

      15.0       2.1
      27.0       4.0
      28.0       1.5
      29.0      16.3
      31.0       1.3
      38.0       1.1
      39.0      12.5
      40.0       3.1
      41.0      53.3
      42.0       2.3
      43.0       3.5
      55.0       3.1
      56.0      24.6
      57.0     100.0
      58.0       4.5
      59.0       3.2
      69.0      50.3
      70.0       2.4
      86.0       1.4
      87.0      16.2
      91.0       4.7
      97.0       1.0
     106.0       2.3
     124.0       1.2
     127.0       2.2

Assign. Shift(ppm) A 1.491 B 1.895 C 5.465 D 5.995

     Hz     ppm     Int.

    538.31   6.011     33
    537.31   6.000     42
    536.38   5.990     43
    535.44   5.979     33
    490.69   5.479     33
    489.13   5.462     41
    487.25   5.441     32
    170.94   1.909    127
    169.94   1.898    147
    169.38   1.892    143
    168.38   1.881    119
    133.56   1.492   1000