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草酸二丁酯

产品名称 草酸二丁酯

CAS号2050-60-4

分子式C10H18O4

分子量202.25

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  • Mass

    MS-NW-0839          
    dibutyl oxalate
    C10H18O4            (Mass of molecular ion:    202)
    

       Source Temperature: 280 °C
       Sample Temperature: 150 °C
       Reservoir, 75 eV
    

          27.0       8.8
          28.0       4.5
          29.0      42.1
          30.0       1.0
          31.0       1.7
          39.0       5.1
          41.0      40.5
          42.0       3.0
          43.0       4.3
          44.0       1.1
          55.0       6.1
          56.0      23.5
          57.0     100.0
          58.0       4.4
         103.0       1.9
    

90 MHz in CDCl3


  • 1H NMR 89.56 MHz
    C10 H18 O4 0.04 ml : 0.5 ml CDCl3
    dibutyl oxalate
    ChemicalStructure
        Assign.     Shift(ppm)
    A 4.287 B 1.71 C 1.42 D 0.96

         Hz     ppm     Int.
    

        391.00   4.366    381
        387.31   4.325     46
        384.50   4.294   1000
        377.94   4.220    525
        376.44   4.204     75
        168.44   1.881     41
        163.31   1.824     83
        162.06   1.810    120
        161.69   1.806    119
        159.75   1.784     82
        158.25   1.767     71
        157.19   1.756     80
        155.25   1.734    235
        154.31   1.723    173
        153.25   1.712    154
        148.75   1.661    225
        147.81   1.651    207
        145.31   1.623     93
        144.75   1.617    112
        143.06   1.598    104
        142.06   1.587    138
        141.19   1.577     99
        139.31   1.556    106
        138.25   1.544    146
        137.56   1.536    174
        135.69   1.516     61
        134.63   1.504     55
        133.19   1.488    137
        132.13   1.476    174
        131.63   1.470    162
        130.06   1.453    212
        128.50   1.435     83
        127.69   1.426     80
        126.00   1.407    161
        123.31   1.377    207
        119.56   1.335     77
        116.63   1.303    179
        115.56   1.291    103
        110.19   1.231     84
         93.13   1.040    275
         92.06   1.028    464
         91.50   1.022    446
         88.50   0.989     69
         85.56   0.956    951
         84.13   0.940    396
         81.00   0.905     74
         79.19   0.885    156
         78.13   0.873    219
         76.31   0.853    130
    

in CDCl3



liquid film



4880 A,200 M,liquid