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2-甲基戊酸乙酯

CAS号39255-32-8

分子式C8H16O2

分子量144.21

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  • Mass

    MS-IW-3523          
    ethyl 2-methylvalerate
    C8H16O2             (Mass of molecular ion:    144)
    

       Source Temperature: 210 °C
       Sample Temperature: 160 °C
       Reservoir, 75 eV
    

          26.0       1.4
          27.0      16.2
          28.0       5.2
          29.0      35.3
          30.0       1.7
          31.0       2.3
          39.0       8.0
          40.0       1.4
          41.0      20.1
          42.0       8.8
          43.0      78.1
          44.0       3.0
          45.0       9.1
          53.0       1.6
          55.0      13.6
          56.0       8.2
          57.0       3.3
          59.0       1.9
          69.0       4.2
          70.0       5.7
          71.0      67.1
          72.0       3.8
          73.0       9.9
          74.0      61.5
          75.0       6.0
          87.0      13.5
          88.0       1.3
          99.0      32.2
         100.0       2.2
         101.0       6.9
         102.0     100.0
         103.0       5.9
         115.0      14.2
         116.0       2.3
         117.0       2.6
         129.0       1.7
    

400 MHz in CDCl3


  • 1H NMR 399.65 MHz
    C8 H16 O2 0.05 ml : 0.5 ml CDCl3
    ethyl 2-methylvalerate
    ChemicalStructure
        Assign.     Shift(ppm)
    A 4.127 B 2.428 C *1 1.644 D *1 1.39 E 1.33 F 1.254 G 1.137 J 0.907

         Hz     ppm     Int.
    

       1660.64   4.156    115
       1660.03   4.154    119
       1653.56   4.138    339
       1652.95   4.136    327
       1646.36   4.120    346
       1645.75   4.118    337
       1639.16   4.102    122
       1638.67   4.101    128
        981.32   2.456     56
        974.24   2.438     94
        967.41   2.421     97
        960.57   2.404     64
        669.19   1.675     44
        666.26   1.668     30
        662.35   1.658     52
        661.62   1.656     48
        660.16   1.652     48
        655.27   1.640     69
        654.66   1.639     74
        654.30   1.638     74
        652.47   1.633     48
        647.71   1.621     94
        640.14   1.602     30
        571.17   1.430     38
        564.94   1.414     67
        561.77   1.406     53
        558.84   1.399     43
        555.54   1.391    107
        549.32   1.375     88
        547.97   1.372     58
        545.65   1.366     31
        544.43   1.363     52
        542.85   1.359     80
        541.50   1.355     71
        538.09   1.347    116
        536.99   1.344    118
        535.16   1.340     42
        534.30   1.337     39
        530.76   1.329    174
        526.98   1.319     58
        526.49   1.318     57
        523.56   1.311    153
        521.12   1.304     55
        520.02   1.302     52
        517.46   1.295     57
        517.09   1.294     57
        516.48   1.293     59
        514.16   1.287     59
        508.30   1.272    570
        505.86   1.266     36
        504.52   1.263     41
        501.22   1.255   1000
        497.44   1.245     33
        494.14   1.237    548
        457.89   1.146    850
        455.44   1.140     59
        450.93   1.129    829
        369.38   0.925    374
        362.18   0.907    673
        358.03   0.896     48
        357.06   0.894     56
        354.86   0.888    300
    

in CDCl3



liquid film