1,5-Diphenyl-1,3,5-pentanetrione(1467-40-9) IR2

Mass

MS-IW-7888          
1,5-diphenyl-1,3,5-pentanetrione
C17H14O3            (Mass of molecular ion:    266)

   Source Temperature: 170 °C
   Sample Temperature: 140 °C
   Direct, 75 eV

      18.0       1.3
      50.0       1.0
      51.0       5.2
      65.0       1.1
      69.0      10.9
      76.0       1.0
      77.0      29.0
      78.0       3.7
      91.0       1.2
     103.0       1.0
     105.0     100.0
     106.0      24.7
     107.0       1.9
     120.0       3.8
     144.0       1.1
     147.0       8.0
     160.0       7.3
     161.0      19.1
     162.0       2.1
     247.0       1.2
     248.0       8.6
     249.0       2.4
     266.0       6.6
     267.0       1.5