1,4-Butanediol dimethacrylate

Mass

MS-IW-2390          
tetramethylene dimethacrylate
C12H18O4            (Mass of molecular ion:    226)

   Source Temperature: 200 °C
   Sample Temperature: 160 °C
   Reservoir, 75 eV

      27.0       1.6
      28.0       1.1
      29.0       1.7
      39.0      10.4
      40.0       4.5
      41.0      45.9
      42.0       4.1
      43.0       2.4
      45.0       2.1
      54.0      24.5
      55.0      19.6
      56.0       1.3
      68.0      10.1
      69.0     100.0
      70.0       6.8
      71.0      14.2
      72.0       1.6
      73.0       2.6
      81.0       1.2
      82.0       1.4
      86.0       1.7
      87.0       5.4
      95.0       3.4
      98.0       1.8
      99.0       3.3
     101.0       1.2
     108.0       3.7
     109.0       1.3
     111.0       1.0
     126.0      10.9
     127.0       1.8
     136.0       5.3
     140.0      11.7
     141.0      10.4
     142.0       1.0
     154.0       2.1
     172.0       1.2