丙二酸二甲酯

Mass

MS-NW-0569          
dimethyl malonate
C5H8O4              (Mass of molecular ion:    132)

   Source Temperature: 280 °C
   Sample Temperature: 170 °C
   Reservoir, 75 eV

      14.0       4.4
      15.0      45.7
      18.0       2.0
      27.0       3.8
      28.0       3.5
      29.0      15.2
      30.0       1.6
      31.0       6.5
      32.0       2.3
      41.0       4.0
      42.0      25.7
      43.0      18.4
      44.0       2.0
      45.0       9.1
      57.0      25.1
      58.0       5.8
      59.0      89.1
      60.0       2.1
      69.0      13.0
      70.0       1.0
      74.0      44.5
      75.0       1.6
     100.0       5.6
     101.0     100.0
     102.0       4.8
     104.0       2.1
     132.0       2.5

Parameter ppm Hz D(A) 3.752 D(B) 3.398

     Hz     ppm     Int.

   1125.60   3.752   1000
   1019.40   3.398    333