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Back ChemicalBook Home>CAS DataBase List>108-36-1More Spectrum> 1,3-Dibromobenzene(108-36-1) IR1

1,3-Dibromobenzene(108-36-1) IR1

Product Name1,3-Dibromobenzene

CAS108-36-1

Molecular FormulaC6H4Br2

Molecular Weight235.9

InChIInChI=1S/C6H4Br2/c7-5-2-1-3-6(8)4-5/h1-4H

InChIKey JSRLURSZEMLAFO-UHFFFAOYSA-N

SmilesC1(Br)=CC=CC(Br)=C1


  • 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


  • 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
    


  • 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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