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3-溴丙酸乙酯

CAS号539-74-2

分子式C5H9BrO2

分子量181.03

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  • Mass

    MS-NW-1062          
    ethyl 3-bromopropionate
    C5H9BrO2            (Mass of molecular ion:    180)
    

       Source Temperature: 240 °C
       Sample Temperature: 170 °C
       Reservoir, 75 eV
    

          15.0       2.8
          18.0       1.2
          26.0       9.4
          27.0      56.8
          28.0      18.4
          29.0     100.0
          30.0       2.3
          31.0       4.2
          41.0       3.3
          42.0       2.2
          43.0       5.8
          44.0       1.1
          45.0      20.1
          55.0      12.2
          56.0       2.3
          59.0       1.8
          73.0      27.8
          74.0       1.3
         101.0      19.3
         102.0       1.4
         106.0       1.8
         107.0      37.0
         108.0       4.3
         109.0      35.8
         110.0       2.5
         135.0      28.9
         136.0       1.1
         137.0      27.5
         138.0       1.0
         152.0      55.5
         153.0       3.3
         154.0      54.3
         155.0       3.0
         180.0       3.3
         182.0       3.2
    

90 MHz in CDCl3


  • 1H NMR 89.56 MHz
    C5 H9 Br O2 0.04 ml : 0.5 ml CDCl3
    ethyl 3-bromopropionate
    ChemicalStructure
        Assign.     Shift(ppm)
    A 4.192 B 3.58 C 2.92 D 1.286

         Hz     ppm     Int.
    

        386.38   4.315    123
        379.25   4.235    366
        372.13   4.156    388
        365.06   4.077    138
        328.69   3.671    168
        327.81   3.661    156
        321.69   3.592    311
        321.00   3.585    471
        314.94   3.517    267
        314.31   3.510    239
        267.44   2.987    232
        267.00   2.982    215
        260.75   2.912    389
        260.13   2.905    272
        253.94   2.836    139
        253.25   2.828    123
        122.06   1.363    476
        114.94   1.284   1000
        112.63   1.258     38
        107.75   1.204    415
    

in CDCl3



CCl4 solution



liquid film



4880 A,200 M,liquid