3,3',4,4'-Biphenyltetracarboxylic dianhydride

Mass

MS-NW-9451          
3,3',4,4'-biphenyltetracarboxylic dianhydride
C16H6O6             (Mass of molecular ion:    294)

   Source Temperature: 220 °C
   Sample Temperature: 200 °C
   Direct, 75 eV

      28.0       1.5
      50.0       4.7
      61.0       1.5
      61.5       1.2
      62.0       5.9
      63.0       1.1
      74.0      13.2
      75.0      19.0
      75.5       2.2
      76.0       1.6
      86.0       1.4
      87.0       1.5
      89.0       5.0
      98.0       4.9
      99.0       3.1
     100.0      17.7
     101.0       1.6
     103.0       9.3
     103.5       1.4
     111.0       1.0
     122.0       1.2
     123.0       1.4
     124.0       1.0
     149.0       2.4
     150.0      26.4
     151.0       3.5
     178.0      42.4
     179.0       6.1
     222.0      17.2
     223.0       2.6
     250.0     100.0
     251.0      16.6
     252.0       2.1
     294.0      42.3
     295.0       7.5
     296.0       1.1