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Methyl 2-bromopropionate

CAS5445-17-0

MFC4H7BrO2

MW167

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  • Mass

    MS-NW-5862          
    methyl 2-bromopropionate
    C4H7BrO2            (Mass of molecular ion:    166)
    

       Source Temperature: 260 °C
       Sample Temperature: 190 °C
       Reservoir, 75 eV
    

          14.0       1.7
          15.0      52.8
          18.0       1.5
          25.0       1.9
          26.0      16.5
          27.0     100.0
          28.0      23.9
          29.0       8.8
          30.0       2.3
          31.0       7.8
          32.0       1.4
          39.0       1.0
          41.0       4.6
          43.0      27.5
          44.0       1.0
          45.0       1.6
          53.0       1.4
          55.0      17.9
          56.0       7.2
          57.0       1.0
          59.0      84.8
          60.0       2.2
          79.0       1.8
          80.0       1.4
          81.0       1.8
          82.0       1.3
          87.0      97.5
          88.0       4.6
         106.0       5.0
         107.0      67.3
         108.0       6.5
         109.0      65.7
         110.0       1.9
         135.0       6.5
         137.0       5.9
         166.0       6.0
         168.0       5.5
    

400 MHz in CDCl3

parameter in CDCl3


  • 1H NMR 399.65 MHz
    C4 H7 Br O2 0.05 ml : 0.5 ml CDCl3
    methyl 2-bromopropionate
    ChemicalStructure
        Assign.     Shift(ppm)
    A 4.401 B 3.788 C 1.831

         Hz     ppm     Int.
    

       1769.29   4.428     96
       1762.33   4.410    266
       1755.37   4.393    266
       1748.41   4.375     98
       1514.16   3.789   1000
        735.47   1.841    778
        728.52   1.823    751
    


  • 1H NMR 300 MHz
    C4 H7 Br O2 0.04 ml : 0.5 ml CDCl3
    methyl 2-bromopropionate
    ChemicalStructure
        Parameter     ppm  Hz
    D(A) 4.381 D(B) 1.831 J(A,B) 6.95 D(C) 3.784

         Hz     ppm     Int.
    

       1324.78   4.416     41
       1317.83   4.393    123
       1310.88   4.370    125
       1303.95   4.346     43
       1135.20   3.784   1000
        552.77   1.843    504
        545.81   1.819    495
    

in CDCl3



liquid film



4880 A,200 M,liquid