Isoflavone(574-12-9) IR2

Mass

MS-IW-3382          
3-phenyl-4H-chromen-4-one
C15H10O2            (Mass of molecular ion:    222)

   Source Temperature: 140 °C
   Sample Temperature: 100 °C
   Direct, 75 eV

      18.0       1.1
      39.0       2.0
      50.0       2.6
      51.0       2.4
      52.0       1.1
      62.0       1.6
      63.0       5.7
      64.0       6.1
      74.0       2.0
      75.0       2.2
      76.0       4.2
      77.0       1.5
      82.0       1.6
      82.5       1.8
      89.0       2.0
      92.0      19.5
      93.0       1.4
      97.0       1.9
     102.0       7.5
     110.0       1.4
     110.5       2.2
     111.0       6.6
     111.5       1.0
     120.0      31.0
     121.0       2.5
     139.0       1.4
     163.0       1.7
     164.0       1.6
     165.0       6.7
     166.0       1.3
     194.0       1.5
     221.0     100.0
     222.0      86.8
     223.0      13.1
     224.0       1.3