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1,2-二溴苯

产品名称 1,2-二溴苯

CAS号583-53-9

分子式C6H4Br2

分子量235.9

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  • Mass

    MS-NW-0824          
    o-dibromobenzene
    C6H4Br2             (Mass of molecular ion:    234)
    

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

          37.0       3.7
          38.0       6.2
          49.0       4.0
          50.0      25.5
          51.0       3.5
          73.0       3.2
          74.0      14.9
          75.0      33.9
          76.0      23.4
          77.0       3.6
          79.0       1.8
          81.0       2.1
         117.0       3.8
         118.0       7.1
         119.0       3.4
         128.0       1.3
         129.0       1.4
         130.0       1.3
         131.0       1.3
         155.0      39.0
         156.0       3.3
         157.0      38.5
         158.0       2.5
         190.0       1.0
         192.0       1.3
         234.0      50.9
         235.0       3.7
         236.0     100.0
         237.0       6.7
         238.0      49.0
         239.0       3.3
    

90 MHz in CDCl3

parameter in CDCl3


  • 1H NMR 89.56 MHz
    C6 H4 Br2 0.04 ml : 0.5 ml CDCl3
    o-dibromobenzene
    ChemicalStructure
        Assign.     Shift(ppm)
    A 7.60 B 7.16

         Hz     ppm     Int.
    

        690.50   7.710     64
        689.75   7.702     66
        686.25   7.663    681
        682.75   7.624    932
        680.63   7.600    547
        680.13   7.595    710
        678.63   7.578     46
        678.19   7.573     45
        676.88   7.558   1000
        673.00   7.515    223
        648.38   7.240    231
        644.56   7.197    991
        642.88   7.179     54
        641.25   7.161    602
        640.81   7.156    541
        638.63   7.131    902
        635.13   7.092    660
        631.69   7.054     65
        630.94   7.045     59
    


  • 1H NMR 300 MHz
    C6 H4 Br2 10 wt% in CCl4
    o-dibromobenzene
    ChemicalStructure
        Parameter     ppm  Hz
    D(A) 7.544 D(B) 7.079 J(A,A') 0.30 J(A,B) 7.97 J(A,B') 1.50 J(A',B) 1.50 J(A',B') 7.97 J(B,B') 7.46 CASTELLANO,S. & KOSTELNIK,R. TETRAHEDRON LETT. 1967, 5211

         Hz     ppm     Int.
    

       2272.21   7.574     74
       2271.72   7.572     81
       2268.05   7.560    873
       2264.53   7.548    836
       2262.12   7.540    826
       2258.59   7.529    998
       2254.77   7.516    112
       2132.13   7.107    111
       2128.32   7.094   1000
       2124.79   7.083    826
       2122.38   7.075    836
       2118.85   7.063    875
       2115.18   7.051     81
       2114.70   7.049     75
    

in CDCl3



liquid film



4880 A,200 M,liquid