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108-36-1

1,3-Dibromobenzene

Product Name 1,3-Dibromobenzene

CAS108-36-1

MFC6H4Br2

MW235.9

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  • 108-36-1_ms
    Mass 

    MS-NW-0825          
m-dibromobenzene
C6H4Br2             (Mass of molecular ion:    234)


       Source Temperature: 220 °C
   Sample Temperature: 150 °C
   Reservoir, 75 eV


          37.0       5.1
      38.0       8.9
      49.0       4.2
      50.0      30.1
      51.0       4.5
      61.0       1.0
      73.0       4.6
      74.0      19.0
      75.0      34.9
      76.0      24.8
      77.0       4.7
      78.0       3.8
      79.0       1.3
      81.0       1.3
     117.0       3.7
     118.0       6.9
     119.0       3.5
     129.0       1.2
     130.0       1.0
     131.0       1.2
     155.0      44.9
     156.0       3.9
     157.0      42.7
     158.0       3.2
     234.0      50.7
     235.0       3.7
     236.0     100.0
     237.0       6.7
     238.0      48.2
     239.0       3.2

90 MHz in CDCl3

parameter in TMS

  • 108-36-1_1hnmr_2

    1H NMR 89.56 MHz
    C6 H4 Br2 0.04 ml : 0.5 ml CDCl3
    m-dibromobenzene
    ChemicalStructure 
        Assign.     Shift(ppm)
    
      A             7.658
      B             7.410
      C             7.094
  

         Hz     ppm     Int.


        688.13   7.684    367
    687.75   7.680    382
    685.94   7.660    881
    684.44   7.643    582
    684.06   7.639    552
    670.00   7.482    553
    668.69   7.467    761
    666.69   7.445    559
    661.81   7.390    927
    661.13   7.382   1000
    659.88   7.369    894
    659.31   7.362    946
    641.44   7.163    654
    641.13   7.159    680
    634.38   7.084    481
    632.50   7.063    312
    632.13   7.059    318
    625.69   6.987    251
    625.38   6.983    252

  • 108-36-1_1hnmr

    1H NMR 300 MHz
    C6 H4 Br2 10 mol% in TMS
    m-dibromobenzene
    ChemicalStructure 
        Parameter     ppm  Hz
    
      D(A)         7.581
      D(B)         7.292
      D(C)         6.916
       J(A,B)          1.85
       J(A,B')         1.85
       J(A,C)          0.29
       J(B,B')         0.00
       J(B,C)          8.03
       J(B',C)         8.03
     
     CRECELY,R.W. ET AL. SPECTROCHIM.ACTA 24A, 685 (1968)
     J(B,B'):0.95HZ. J(C-13,A):172.01HZ. J(C-13,B):167.92HZ.
     J(C-13,C):163.63HZ.
  

         Hz     ppm     Int.


       2276.15   7.587    456
   2274.32   7.581    889
   2272.49   7.575    492
   2192.66   7.309    855
   2190.84   7.303    786
   2184.64   7.282   1000
   2182.81   7.276    985
   2082.54   6.942    492
   2074.54   6.915    646
   2066.50   6.888    371

in CDCl3

liquid film

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