2-溴四苯醌

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

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