4,8-二溴-1H,3H-苯并[1,2-C:4,5-C']二呋喃-1,3,5,7-四酮

Mass

MS-IW-1127          
3,6-dibromo-1,2;4,5-benzenetetracarboxylic dianhydride
C10Br2O6            (Mass of molecular ion:    374)

   Source Temperature: 160 °C
   Sample Temperature: 140 °C
   Direct, 75 eV

      17.0       8.5
      18.0      41.9
      28.0       6.1
      36.0      12.3
      44.0       4.8
      48.0       2.6
      50.0       1.6
      60.0       6.6
      64.0       1.0
      67.5       1.9
      72.0      33.7
      73.0       2.5
      75.5       8.0
      76.0       1.1
      76.5       7.8
      79.0       2.6
      80.0       3.1
      81.0       2.5
      82.0       3.0
      88.0       1.0
      89.5      21.0
      90.0       1.7
      90.5      20.7
      91.0       2.3
      93.0       1.3
     100.0       5.5
     107.0       4.4
     109.0       1.6
     115.0       3.7
     116.0       2.8
     117.0       3.8
     121.0       1.1
     122.0       1.3
     129.0       2.4
     130.0       4.0
     131.0       2.5
     135.0       4.0
     137.0       1.2
     139.0       1.3
     141.0       1.2
     143.0       6.6
     144.0      13.1
     144.5       1.2
     145.0       6.4
     151.0      29.1
     152.0       2.1
     153.0      28.3
     154.0       2.0
     179.0      39.1
     180.0       3.0
     181.0      38.4
     182.0       2.9
     188.0       1.3
     207.0       1.3
     214.0       3.2
     216.0       4.1
     218.0       1.0
     232.0       1.8
     251.0       3.8
     253.0       3.9
     258.0      17.4
     259.0       1.3
     260.0      32.6
     261.0       2.6
     262.0      15.7
     263.0       1.1
     286.0      10.2
     287.0       1.0
     288.0      13.1
     289.0       1.3
     290.0       3.3
     302.0      14.1
     303.0       1.4
     304.0      27.1
     305.0       2.5
     306.0      13.9
     307.0       1.3
     330.0      54.4
     331.0       5.8
     332.0     100.0
     333.0       9.9
     334.0      46.5
     335.0       4.4
     374.0      50.4
     375.0       5.8
     376.0      98.9
     377.0      10.8
     378.0      49.0
     379.0       5.6