Methyl propiolate

Mass

MS-NW-1585          
methyl propiolate
C4H4O2              (Mass of molecular ion:     84)

   Source Temperature: 240 °C
   Sample Temperature: 170 °C
   Reservoir, 75 eV

      15.0       6.9
      24.0       1.7
      25.0       7.7
      26.0       4.6
      27.0       1.1
      28.0       1.7
      29.0       5.9
      30.0       1.3
      31.0       3.6
      39.0       9.6
      40.0       9.1
      41.0       1.0
      43.0       1.9
      44.0       1.9
      52.0       1.8
      53.0     100.0
      54.0      23.4
      55.0       8.1
      56.0       2.1
      69.0       1.1