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91-13-4

1,2-Bis(bromomethyl)benzene

Product Name 1,2-Bis(bromomethyl)benzene

CAS91-13-4

MFC8H8Br2

MW263.96

More

  • 91-13-4_ms
    Mass

    MS-NW-1626          
    alpha,alpha'-dibromo-o-xylene
    C8H8Br2             (Mass of molecular ion:    262)
    

       Source Temperature: 250 °C
       Sample Temperature: 180 °C
       Reservoir, 75 eV
    

          27.0       2.3
          38.0       2.7
          39.0       8.2
          50.0       8.3
          51.0      23.9
          51.5       1.5
          52.0       9.9
          53.0       1.1
          61.0       1.1
          62.0       2.7
          63.0       6.8
          64.0       1.1
          65.0       1.6
          74.0       2.8
          75.0       2.5
          76.0       3.5
          77.0      15.8
          78.0      16.1
          79.0       1.1
          89.0       1.3
          91.0       2.6
          92.0       2.3
         102.0       5.2
         103.0      19.2
         104.0     100.0
         105.0       9.3
         183.0      81.7
         184.0       7.8
         185.0      79.5
         186.0       7.0
         262.0       5.4
         264.0      10.4
         265.0       1.0
         266.0       5.2
    

90 MHz in CDCl3

  • 91-13-4_1hnmr

    1H NMR 89.56 MHz
    C8 H8 Br2 0.05 g : 0.5 ml CDCl3
    alpha,alpha'-dibromo-o-xylene
    ChemicalStructure
        Assign.     Shift(ppm)
    A 7.32 to 7.29 B 4.639

         Hz     ppm     Int.
    

        658.56   7.354     40
        656.56   7.331    100
        655.81   7.323    127
        654.75   7.311    235
        653.88   7.302    252
        652.19   7.283    102
        650.13   7.260     47
        648.00   7.236     23
        644.50   7.197     26
        415.50   4.640   1000
    

in CDCl3

CCl4 solution

KBr disc

nujol mull

4880 A,200 M,powder