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网站主页CAS数据库列表 586-35-6更多图谱2-溴四苯醌(586-35-6)质谱(MS)

2-溴四苯醌

产品名称 2-溴四苯醌

CAS号586-35-6

分子式C8H5BrO4

分子量245.03

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  • Mass

    MS-NW-9450          
    2-bromoterephthalic acid
    C8H5BrO4            (Mass of molecular ion:    244)
    

       Source Temperature: 200 °C
       Sample Temperature: 150 °C
       Direct, 75 eV
    

          17.0       1.7
          18.0      10.0
          28.0       1.3
          37.0       2.3
          38.0       2.0
          39.0       2.9
          44.0       2.2
          45.0       3.7
          49.0       1.1
          50.0       9.0
          51.0       3.7
          53.0       5.2
          62.0       1.4
          63.0       7.0
          64.0       5.4
          65.0       2.2
          69.0       1.0
          73.0       3.2
          74.0      15.2
          75.0      17.1
          76.0       5.1
          77.0       2.4
          78.0       1.1
          80.0       1.8
          81.0       3.1
          82.0       1.7
          91.0       4.7
          92.0      12.4
          93.0       1.2
         102.0       2.5
         103.0       4.4
         105.0       1.2
         106.0       1.0
         109.0       1.1
         113.0       1.9
         114.0       1.9
         117.0       1.4
         119.0       3.9
         120.0       3.5
         121.0       1.2
         143.0      13.8
         145.0      13.3
         149.0       2.4
         153.0       1.2
         155.0       3.5
         157.0       2.3
         165.0       1.0
         166.0       2.0
         171.0       1.6
         173.0       1.4
         183.0       3.1
         185.0       2.3
         199.0      16.2
         200.0       2.1
         201.0      15.6
         202.0       1.7
         216.0       1.2
         218.0       1.0
         227.0      87.8
         228.0       8.1
         229.0      86.1
         230.0       7.7
         244.0     100.0
         245.0       9.1
         246.0      98.0
         247.0       8.8
         248.0       1.1
    

400 MHz in DMSO-d6


  • 1H NMR 399.65 MHz
    C8 H5 Br O4 0.029 g : 0.5 ml DMSO-d6
    2-bromoterephthalic acid
    ChemicalStructure
        Assign.     Shift(ppm)
    A 8.170 B 8.005 C 7.849

         Hz     ppm     Int.
    

       3272.71   8.189     21
       3265.99   8.173    963
       3264.40   8.169   1000
       3204.71   8.019    494
       3203.13   8.015    454
       3196.78   7.999    611
       3195.19   7.995    600
       3140.63   7.859    952
       3135.74   7.847     52
       3132.69   7.839    780
       3127.81   7.827     25
    

in DMSO-d6



KBr disc



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