4-(2,5-Dimethyl-phenyl)-4-oxo-butyric acid(5394-59-2) IR2

Mass

MS-IW-2692          
3-(2,5-dimethylbenzoyl)propionic acid
C12H14O3            (Mass of molecular ion:    206)

   Source Temperature: 150 °C
   Sample Temperature: 110 °C
   Direct, 75 eV

      18.0       1.3
      27.0       2.1
      39.0       2.1
      45.0       1.0
      51.0       2.7
      53.0       1.4
      55.0       2.9
      63.0       1.5
      65.0       1.9
      77.0       9.5
      78.0       3.0
      79.0       7.8
      91.0       2.8
     103.0       5.8
     104.0       3.0
     105.0      32.1
     106.0       3.4
     115.0       1.3
     119.0       3.5
     132.0       1.2
     133.0     100.0
     134.0      10.3
     145.0       2.0
     147.0       9.2
     148.0       1.0
     159.0       1.0
     160.0       1.9
     161.0       1.0
     188.0       2.2
     189.0       1.1
     206.0      22.4
     207.0       3.0
     220.0       1.7