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1,1-Dibromoethane

Product Name 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
    

parameter in CDCl3

90 MHz in CDCl3


  • 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
    


  • 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
    

in CDCl3



liquid film



4880 A,200 M,liquid