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网站主页CAS数据库列表 91-13-4更多图谱1,2-二(溴甲基)苯(91-13-4)红外图谱(IR3)

1,2-二(溴甲基)苯

产品名称 1,2-二(溴甲基)苯

CAS号91-13-4

分子式C8H8Br2

分子量263.96

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  • 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


  • 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