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Isovaleric acid

CAS503-74-2

MFC5H10O2

MW102.13

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  • Mass

    MS-NW-4075          
    isovaleric acid
    C5H10O2             (Mass of molecular ion:    102)
    

       Source Temperature: 270 °C
       Sample Temperature: 180 °C
       Reservoir, 75 eV
    

          15.0       1.8
          18.0       1.3
          26.0       1.1
          27.0      16.4
          28.0       1.9
          29.0       7.2
          31.0       1.8
          38.0       1.8
          39.0      13.3
          40.0       2.0
          41.0      33.2
          42.0       7.3
          43.0      32.1
          44.0       1.1
          45.0      16.5
          55.0       2.5
          56.0       3.1
          57.0       3.0
          59.0       3.9
          60.0     100.0
          61.0       5.1
          69.0       5.2
          84.0       1.2
          85.0       1.0
          87.0      16.8
    

90 MHz in CDCl3

400 MHz in CDCl3


  • 1H NMR 89.56 MHz
    C5 H10 O2 0.04 ml : 0.5 ml CDCl3
    isovaleric acid
    ChemicalStructure
        Assign.     Shift(ppm)
    A 11.92 B 2.23 C 2.12 D 0.990

         Hz     ppm     Int.
    

       1067.18  11.916    207
        206.27   2.304     32
        205.25   2.292     47
        202.94   2.266    102
        201.15   2.246    144
        198.93   2.222    287
        197.56   2.206    346
        194.40   2.171     76
        189.61   2.118     41
        188.59   2.106     47
        183.12   2.045     39
         91.77   1.025   1000
         89.38   0.998    261
         87.59   0.979    226
         85.19   0.952    832
    


  • 1H NMR 399.65 MHz
    C5 H10 O2 0.04 ml : 0.5 ml CDCl3
    isovaleric acid
    ChemicalStructure
        Assign.     Shift(ppm)
    A 11.9 B 2.234 C 2.121 D 0.989

         Hz     ppm     Int.
    

        903.01   2.260     20
        901.91   2.257     21
        901.36   2.256     21
        896.97   2.245    279
        896.23   2.243    350
        892.57   2.234     34
        889.27   2.226    468
        866.19   2.168     22
        859.60   2.151     54
        858.50   2.149     23
        853.19   2.135     87
        851.91   2.132     50
        846.41   2.118     92
        845.50   2.116     71
        839.82   2.102     61
        838.90   2.100     66
        833.04   2.085     24
        832.13   2.083     38
        398.39   0.997   1000
        391.79   0.981    949
    

in CDCl3



liquid film