Phenolphthalein

Mass

MS-NW-0269          
3,3-bis(p-hydroxyphenyl)phthalide
C20H14O4            (Mass of molecular ion:    318)

   Source Temperature: 200 °C
   Sample Temperature:   0 °C
   Direct, 75 eV

      18.0       2.3
      27.0       1.7
      28.0       1.7
      29.0       1.6
      31.0       1.3
      39.0       6.9
      41.0       3.3
      43.0       3.5
      44.0       1.3
      45.0       1.6
      50.0       1.9
      51.0       2.4
      53.0       1.1
      55.0       3.7
      56.0       1.3
      57.0       3.1
      60.0       2.3
      62.0       1.0
      63.0       3.3
      64.0       1.0
      65.0       8.6
      67.0       1.5
      68.0       1.0
      69.0       3.0
      70.0       1.2
      71.0       1.6
      73.0       1.6
      74.0       1.5
      75.0       2.7
      76.0       7.6
      77.0       3.6
      81.0       1.6
      82.0       1.2
      83.0       2.2
      84.0       1.0
      85.0       1.0
      87.0       1.6
      88.0       1.4
      89.0       1.1
      90.5       1.0
      93.0       5.9
      94.0       1.7
      94.5       1.9
      95.0       1.4
      97.0       1.7
      98.0       1.2
     100.0       1.5
     101.0       2.2
     104.0       8.3
     105.0       3.5
     106.5       1.4
     107.0       1.1
     109.0       1.3
     113.0       4.7
     113.5       1.0
     114.0       1.3
     115.0       5.5
     119.0       1.1
     121.0      19.8
     122.0       2.3
     126.0       1.3
     127.0       1.8
     127.5       1.6
     128.0       2.1
     136.0       1.0
     136.5       1.5
     137.0       1.0
     139.0       4.1
     140.0       1.6
     141.0       7.6
     142.0       1.2
     150.0       2.2
     151.0       3.5
     152.0       7.8
     153.0       2.0
     159.0       3.5
     163.0       1.2
     168.0       3.7
     169.0       2.8
     176.0       1.2
     180.0       4.4
     181.0      24.1
     182.0       3.8
     186.0       1.5
     187.0       1.4
     189.0       4.1
     190.0       1.1
     196.0       1.0
     197.0      19.7
     198.0       3.0
     200.0       1.1
     201.0       1.1
     202.0       4.1
     203.0       1.2
     213.0       2.9
     214.0       1.1
     215.0       5.3
     216.0       1.6
     218.0       1.6
     224.0       1.2
     225.0      62.9
     226.0      15.4
     227.0       3.9
     228.0       2.0
     229.0       1.0
     231.0       1.7
     239.0       1.1
     242.0       1.7
     243.0       1.5
     244.0       3.9
     245.0       2.6
     255.0       4.1
     256.0       2.4
     257.0      29.4
     258.0       6.4
     271.0       1.6
     272.0       1.1
     273.0      69.2
     274.0     100.0
     275.0      19.8
     276.0       2.3
     289.0       1.4
     318.0      56.1
     319.0      12.3
     320.0       1.8

Assign. Shift(ppm) A 9.65 B 8.00 to 7.51 C 7.10 D 6.79

     Hz     ppm     Int.

    864.38   9.652   1000
    712.44   7.955    119
    711.19   7.941     78
    705.50   7.878    200
    704.25   7.864    140
    702.00   7.839     73
    700.56   7.823    105
    695.94   7.771    350
    695.19   7.763    362
    690.31   7.708    194
    687.50   7.677     82
    684.19   7.640     67
    683.06   7.627     78
    681.56   7.611     61
    641.88   7.168    535
    639.75   7.144    180
    635.25   7.094    220
    633.06   7.069    953
    630.31   7.038    139
    614.56   6.862    109
    611.81   6.832    960
    609.63   6.807    237
    605.00   6.756    170
    603.06   6.734    519
    600.88   6.710     60
    600.13   6.701     62