Benzenepropanoic acid, b-oxo-a-(phenylmethylene)-, ethyl ester(17451-18-2) IR1

Mass

MS-IW-6716          
ethyl alpha-benzoylcinnamate
C18H16O3            (Mass of molecular ion:    280)

   Source Temperature: 150 °C
   Sample Temperature: 130 °C
   Direct, 75 eV

      18.0       1.3
      29.0       2.5
      50.0       1.2
      51.0       5.3
      75.0       1.2
      76.0       2.6
      77.0      35.9
      78.0       2.7
     102.0       3.2
     103.0       2.7
     105.0      76.7
     106.0       6.0
     107.0       3.3
     129.0       2.4
     130.0       1.7
     131.0       3.0
     135.0       4.5
     152.0       1.0
     165.0       1.0
     167.0       1.0
     173.0       1.0
     175.0       1.4
     176.0       1.4
     177.0       1.3
     178.0      11.9
     179.0       5.0
     203.0       3.6
     205.0      10.3
     206.0      25.9
     207.0      12.9
     208.0       2.8
     233.0       1.8
     234.0       7.9
     235.0       9.0
     236.0       1.5
     250.0       1.4
     251.0       8.7
     252.0       1.8
     279.0      45.2
     280.0     100.0
     281.0      19.4
     282.0       2.4