2-phenyl-3H-phthalazine-1,4-dione(5439-98-5) IR1

Mass

MS-IW-3314          
2-phenyl-2,3-dihydro-1,4-phthalazinedione
C14H10N2O2          (Mass of molecular ion:    238)

   Source Temperature: 170 °C
   Sample Temperature: 150 °C
   Direct, 75 eV

      39.0       2.2
      41.0       1.0
      50.0       5.7
      51.0      10.2
      52.0       1.6
      63.0       2.1
      64.0       7.3
      65.0       4.5
      66.0       1.6
      74.0       1.6
      75.0       2.7
      76.0      14.4
      77.0      17.3
      78.0       2.0
      90.0       1.3
      91.0      89.9
      92.0       9.2
     102.0       2.3
     104.0      26.3
     105.0       6.8
     108.0       1.0
     119.0       3.7
     130.0       4.1
     132.0       1.9
     133.0       2.1
     148.0       1.4
     152.0       1.3
     181.0       1.2
     194.0       2.5
     237.0      11.6
     238.0     100.0
     239.0      16.0
     240.0       1.6