甲基丙烯酸甲酯

Mass

MS-NW-5552          
methyl methacrylate
C5H8O2              (Mass of molecular ion:    100)

   Source Temperature: 250 °C
   Sample Temperature: 190 °C
   Reservoir, 75 eV

      15.0      12.1
      26.0       1.6
      27.0       2.4
      28.0       1.9
      29.0       2.9
      31.0       1.4
      33.0       1.0
      37.0       2.6
      38.0       5.7
      39.0      37.1
      40.0       9.7
      41.0     100.0
      42.0       5.1
      43.0       1.6
      45.0       1.4
      53.0       1.4
      54.0       1.0
      55.0       4.7
      56.0       2.4
      59.0       8.0
      68.0       1.2
      69.0      63.1
      70.0       3.3
      82.0       2.3
      85.0       3.7
      99.0       8.1
     100.0      27.4
     101.0       1.7

Assign. Shift(ppm) A 6.098 B 5.554 C 3.752 D 1.946 J(A,B)=1.7HZ, J(A,D)=-1.0HZ, J(B,D)=-1.6HZ

     Hz     ppm     Int.

    547.63   6.115     60
    546.63   6.104     74
    545.94   6.096     77
    544.94   6.085     66
    544.00   6.075     28
    499.19   5.574     69
    497.56   5.556    104
    495.94   5.538     71
    494.31   5.520     23
    336.06   3.753   1000
    175.69   1.962    241
    174.69   1.951    286
    174.13   1.945    281
    173.13   1.934    245