4,5-DICHLOROPHTHALIC ACID

Mass

MS-NW-7181          
4,5-dichlorophthalic acid
C8H4Cl2O4           (Mass of molecular ion:    234)

   Source Temperature: 170 °C
   Sample Temperature: 140 °C
   Direct, 75 eV

      17.0       5.1
      18.0      22.9
      28.0       5.7
      29.0       1.7
      35.0       1.7
      36.0       6.0
      36.5       1.9
      37.0      19.6
      38.0       5.9
      39.0       1.9
      44.0       9.5
      45.0      14.6
      47.0       2.8
      48.0       2.8
      49.0       7.4
      50.0      11.8
      50.5       2.8
      51.0       4.7
      53.0       8.5
      54.0      12.5
      54.5       9.7
      55.0       5.7
      55.5       3.5
      60.0       3.7
      61.0       9.6
      62.0       9.0
      63.0      11.0
      64.0       1.6
      66.0       1.2
      68.0       2.8
      68.5       1.2
      69.0       1.6
      71.0       2.2
      72.0      24.5
      72.5       2.5
      73.0      44.8
      73.5       1.4
      74.0      72.6
      75.0      19.2
      76.0       1.7
      77.0       2.8
      81.0       6.2
      82.0       4.7
      83.0       5.1
      84.0      16.7
      85.0       5.7
      86.0      11.2
      86.5       1.1
      87.0       8.2
      88.0       1.1
      89.0       1.8
      90.0       2.3
      91.0       2.3
      94.0       2.3
      95.0       1.5
      96.0       2.9
      97.0      10.5
      98.0       2.2
      99.0       6.7
     100.0       3.0
     101.0       4.9
     102.0       1.1
     107.0       5.0
     108.0      13.4
     108.5       1.1
     109.0      42.3
     110.0      10.1
     111.0      17.4
     112.0       2.3
     113.0       1.8
     117.0       1.8
     118.0       2.1
     119.0       1.1
     125.0       2.7
     126.0       2.1
     127.0       1.4
     132.0       1.5
     133.0      23.0
     134.0       2.6
     135.0      14.8
     136.0       1.3
     137.0       4.8
     139.0       1.2
     143.0       1.3
     144.0      50.4
     145.0      25.0
     146.0      35.3
     147.0      16.1
     148.0       6.8
     149.0       3.1
     153.0       1.3
     155.0       1.2
     160.0       3.6
     161.0       7.0
     162.0       5.6
     163.0       5.1
     164.0       2.7
     165.0       1.2
     172.0      71.6
     173.0     100.0
     174.0      51.8
     175.0      62.1
     176.0      12.5
     177.0      10.6
     178.0       1.1
     181.0       1.9
     189.0       6.6
     190.0      99.4
     191.0      12.1
     192.0      64.0
     193.0       6.0
     194.0      11.2
     195.0       1.0
     216.0      38.9
     217.0      23.4
     218.0      26.7
     219.0      14.9
     220.0       5.6
     221.0       2.7
     234.0      46.1
     235.0       4.8
     236.0      30.5
     237.0       3.1
     238.0       5.5

Assign. Shift(ppm) A 12. B 7.935

     Hz     ppm     Int.

    710.74   7.936   1000
    707.03   7.895     38