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