Mass

MS-IW-9397          
3,4-bis(hydroxydiphenylmethyl)-3-cyclobutene-1,2-dione
C30H22O4            (Mass of molecular ion:    446)

   Source Temperature: 180 °C
   Sample Temperature: 190 °C
   Direct, 75 eV

      18.0       4.3
      28.0       3.6
      39.0       1.7
      44.0       8.4
      50.0       1.1
      51.0       6.0
      54.0       1.2
      63.0       1.8
      75.0       1.1
      76.0       1.7
      77.0      27.4
      78.0       2.8
      82.0      19.0
      83.0       1.1
      89.0       1.5
      91.0       1.9
     102.0       1.3
     103.0       2.4
     105.0      75.6
     106.0       6.0
     113.0       1.4
     115.0       2.8
     125.0       1.2
     126.0       2.5
     131.0       3.4
     131.5       1.4
     132.0       1.0
     137.0       1.3
     138.0       4.9
     138.5       1.9
     139.0       4.1
     150.0       2.6
     151.0       3.1
     152.0       7.1
     153.0       3.5
     156.5       2.1
     157.0       1.1
     159.0       2.2
     161.0       1.1
     162.0       3.5
     162.5       1.1
     163.0       4.9
     163.5       1.0
     164.0       2.3
     165.0      14.3
     166.0       5.2
     167.0      38.9
     168.0       6.7
     169.0       2.6
     169.5       3.6
     170.0       2.4
     174.0       1.4
     175.0       4.5
     175.5       1.9
     176.0       6.3
     177.0       4.0
     178.0      26.9
     179.0       6.0
     180.0       1.6
     181.0       1.9
     182.0       6.4
     183.0     100.0
     184.0      15.1
     185.0       1.5
     187.0       1.3
     188.0       1.2
     189.0      10.0
     190.0       5.4
     191.0      20.9
     192.0      13.4
     193.0       2.2
     200.0       2.0
     201.0       1.8
     202.0       3.9
     203.0       2.1
     207.0       2.7
     208.0       2.4
     209.0       1.0
     214.0       1.7
     218.0       3.1
     219.0       2.6
     220.0       6.0
     221.0       1.1
     235.0       1.1
     236.0      23.1
     237.0       4.5
     239.0       1.2
     246.0       4.0
     247.0       1.0
     250.0       1.2
     252.0       2.9
     253.0       1.2
     263.0       2.2
     264.0      15.0
     265.0       6.2
     266.0       1.6
     267.0       2.7
     269.0       1.2
     274.0       1.6
     275.0       1.2
     276.0       8.1
     277.0       6.5
     278.0       7.6
     279.0       8.3
     280.0       2.6
     289.0       1.2
     297.0       2.5
     305.0       2.0
     306.0       1.6
     307.0       8.0
     308.0       2.0
     323.0       2.3
     324.0       1.2
     333.0       1.1
     339.0       1.0
     349.0       1.5
     350.0       2.7
     351.0      10.2
     352.0       3.3
     353.0       1.3
     354.0       1.0
     355.0       2.0
     356.0      10.3
     357.0       4.1
     358.0       1.1
     383.0       3.1
     384.0       4.0
     385.0       1.1
     402.0       1.7
     428.0       4.3
     429.0       1.3