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2,4'-Dibromoacetophenone

Product Name 2,4'-Dibromoacetophenone

CAS99-73-0

MFC8H6Br2O

MW277.94

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  • Mass 

    MS-NW-1808          
2,4'-dibromoacetophenone
C8H6Br2O            (Mass of molecular ion:    276)


       Source Temperature: 260 °C
   Sample Temperature: 180 °C
   Reservoir, 75 eV


          14.0       1.1
      17.0       1.6
      18.0       6.7
      37.0       2.5
      38.0       5.5
      39.0       3.8
      42.0       3.8
      43.0       3.3
      44.0       1.1
      45.0       1.9
      49.0       2.2
      50.0      29.3
      51.0       7.0
      61.0       1.8
      62.0       3.5
      63.0       6.2
      64.0       1.8
      73.0       2.9
      74.0      13.2
      75.0      26.3
      76.0      26.7
      77.0       2.7
      79.0       1.2
      81.0       1.1
      89.0       8.6
      90.0      15.1
      91.0       1.4
      93.0       1.5
      95.0       1.5
     104.0       3.0
     139.0       2.5
     155.0      25.0
     156.0       2.1
     157.0      25.2
     158.0       1.7
     169.0       6.4
     171.0       6.3
     183.0     100.0
     184.0       7.9
     185.0      98.0
     186.0       7.3
     198.0       1.4
     200.0       1.3
     276.0       2.5
     278.0       4.8
     280.0       2.4

90 MHz in CDCl3


  • 1H NMR 89.56 MHz
    C8 H6 Br2 O 0.047 g : 0.5 ml CDCl3
    2,4'-dibromoacetophenone
    ChemicalStructure 
        Assign.     Shift(ppm)
    
      A             7.84
      B             7.64
      C             4.394
  

         Hz     ppm     Int.


        707.94   7.905    152
    707.44   7.900     68
    705.81   7.881     59
    701.31   7.831     72
    699.13   7.807    305
    697.19   7.785     66
    689.25   7.696     58
    687.31   7.675    301
    685.13   7.650     81
    680.63   7.600     55
    678.44   7.576    148
    393.56   4.395   1000
    392.25   4.380     27

in CDCl3



CCl4 solution



KBr disc



nujol mull



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