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2,3-二氯丙酸

CAS号565-64-0

分子式C3H4Cl2O2

分子量142.97

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  • Mass

    MS-IW-1282          
    2,3-dichloropropionic acid
    C3H4Cl2O2           (Mass of molecular ion:    142)
    

       Source Temperature: 220 °C
       Sample Temperature: 160 °C
       Reservoir, 75 eV
    

          14.0       1.0
          15.0       1.7
          18.0       2.9
          24.0       1.1
          25.0       5.3
          26.0      29.3
          27.0      63.5
          28.0       8.7
          29.0       4.3
          35.0       3.8
          36.0      24.2
          37.0       1.6
          38.0       7.8
          42.0       2.7
          43.0       3.0
          44.0       8.6
          45.0      35.1
          46.0       1.1
          47.0       1.4
          48.0       2.0
          49.0      10.3
          50.0       2.3
          51.0       3.2
          52.0       1.2
          53.0       4.9
          54.0       1.2
          55.0      11.0
          60.0       4.9
          61.0      43.4
          62.0     100.0
          63.0      17.7
          64.0      36.8
          65.0       2.9
          71.0      18.0
          72.0       9.9
          76.0       4.6
          78.0       2.9
          89.0      11.9
          91.0       3.9
          96.0       1.1
          97.0       8.1
          99.0       5.2
         106.0      28.8
         107.0      56.7
         108.0      11.0
         109.0      18.5
    

400 MHz in CDCl3


  • 1H NMR 399.65 MHz
    C3 H4 Cl2 O2 0.038 g : 0.5 ml CDCl3
    2,3-dichloropropionic acid
    ChemicalStructure
        Assign.     Shift(ppm)
    A 10.7 B 4.514 C *1 3.976 D *1 3.863 J(B,C)=8.3HZ J(B,D)=5.1HZ J(C,D)=-11.2HZ

         Hz     ppm     Int.
    

       4273.09  10.693    181
       1811.15   4.532    756
       1806.02   4.520    849
       1802.72   4.511    860
       1797.60   4.498    851
       1600.14   4.004    624
       1591.90   3.984    584
       1588.97   3.976   1000
       1580.54   3.955    952
       1550.69   3.881    972
       1545.56   3.868    975
       1542.45   3.860     37
       1539.51   3.853    617
       1534.39   3.840    572
    

in CDCl3



KBr disc



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