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1,1-Dibromoethane

CAS557-91-5

MFC2H4Br2

MW187.86

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  • Mass

    MS-NW-4429          
    1,1-dibromoethane
    C2H4Br2             (Mass of molecular ion:    186)
    

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

          25.0       1.6
          26.0      11.3
          27.0     100.0
          28.0       3.9
          79.0       4.1
          80.0       1.6
          81.0       4.1
          82.0       1.6
         105.0       2.5
         106.0       1.8
         107.0      74.5
         108.0       2.7
         109.0      69.9
         110.0       1.6
         171.0       1.0
         173.0       2.0
         186.0       6.3
         188.0      11.9
         190.0       5.9
    

90 MHz in CDCl3

parameter in CDCl3


  • 1H NMR 89.56 MHz
    C2 H4 Br2 0.04 ml : 0.5 ml CDCl3
    1,1-dibromoethane
    ChemicalStructure
        Assign.     Shift(ppm)
    A 5.842 B 2.458

         Hz     ppm     Int.
    

        532.69   5.948     75
        526.38   5.878    230
        520.13   5.808    233
        513.88   5.738     80
        223.31   2.494   1000
        221.69   2.476     34
        217.00   2.423    967
    


  • 1H NMR 300 MHz
    C2 H4 Br2 10 % in CCl4
    1,1-dibromoethane
    ChemicalStructure
        Parameter     ppm  Hz
    D(A) 2.461 D(B) 5.811 J(A,B) 6.35 SHEPPARD,N. & TURNER,J.J. PROC.ROY.SOC. A 252, 506 (1959)

         Hz     ppm     Int.
    

       1752.86   5.843     82
       1746.53   5.822    247
       1740.17   5.801    249
       1733.84   5.779     85
        741.48   2.472   1000
        735.12   2.450    988
    

in CDCl3



liquid film



4880 A,200 M,liquid