1,5-DIBENZOYLPENTANE(28861-22-5) IR1

Mass

MS-IW-3026          
1,7-diphenyl-1,7-heptanedione
C19H20O2            (Mass of molecular ion:    280)

   Source Temperature: 170 °C
   Sample Temperature: 130 °C
   Direct, 75 eV

      27.0       1.0
      39.0       1.0
      41.0       1.1
      50.0       1.3
      51.0       7.3
      55.0       3.3
      76.0       1.4
      77.0      42.3
      78.0       5.5
      91.0       2.3
     104.0       1.8
     105.0     100.0
     106.0       8.0
     120.0      36.1
     121.0       3.7
     130.0       4.0
     133.0       5.4
     134.0       1.4
     142.0       2.8
     145.0       1.0
     146.0       4.9
     147.0       1.4
     157.0       2.5
     158.0       1.3
     160.0       5.7
     161.0      21.9
     162.0       2.6
     175.0       3.2
     262.0       8.6
     263.0       1.7
     280.0       3.3