(2E,4E)-2-methyl-5-phenylpenta-2,4-dienoic acid(20414-94-2) MS

Mass

MS-IW-9638          
(E,E)-2-methyl-5-phenyl-2,4-pentadienoic acid
C12H12O2            (Mass of molecular ion:    188)

   Source Temperature: 180 °C
   Sample Temperature: 140 °C
   Direct, 75 eV

      18.0       1.5
      27.0       1.7
      28.0       1.2
      39.0       7.3
      41.0       2.2
      43.0       3.0
      45.0       1.4
      50.0       2.4
      51.0       6.9
      52.0       1.7
      53.0       1.3
      55.0       1.5
      57.5       3.0
      58.0       1.1
      62.0       1.5
      63.0       5.2
      64.0       1.3
      65.0       5.8
      66.0       1.1
      69.0       1.8
      69.5       1.0
      70.0       2.1
      70.5       2.7
      71.0       3.6
      74.0       1.4
      75.0       1.6
      76.0       2.1
      77.0       7.0
      78.0       3.9
      79.0       1.4
      89.0       3.3
      90.0       1.0
      91.0      12.3
      92.0       2.7
      94.0       4.0
     102.0       5.2
     103.0       2.5
     105.0       4.2
     111.0       2.8
     115.0      21.8
     116.0       4.3
     117.0       3.5
     127.0      10.3
     128.0      46.2
     129.0      15.3
     130.0       1.6
     131.0       1.7
     139.0       2.4
     140.0       1.0
     141.0      24.1
     142.0      34.4
     143.0     100.0
     144.0      12.8
     145.0       3.0
     155.0       1.9
     159.0       1.0
     160.0       1.2
     169.0       1.0
     170.0       3.5
     171.0       2.3
     173.0       1.3
     187.0       1.1
     188.0      52.6
     189.0       7.3