(Acetylmethylene)triphenylphosphorane

Mass

MS-KW-0325          
1-(triphenylphosphoranylidene)acetone
C21H19OP            (Mass of molecular ion:    318)

   Source Temperature: 190 °C
   Sample Temperature: 150 °C
   Direct, 75 eV

      39.0       2.3
      43.0       2.2
      47.0       1.6
      50.0       1.2
      51.0       6.2
      57.0       1.4
      63.0       1.3
      65.0       1.4
      77.0      10.5
      78.0       2.9
      81.0       1.0
      89.0       1.1
      91.0       2.2
      95.0       1.7
     105.0       2.4
     107.0       5.6
     108.0       8.4
     109.0       1.5
     115.0       3.0
     120.0       3.0
     121.0       2.0
     128.0       1.2
     133.0       2.1
     139.0       1.1
     145.0       1.2
     151.0       1.0
     152.0       6.7
     153.0       2.1
     154.0       1.9
     157.0       1.8
     165.0      10.9
     166.0       2.9
     167.0       2.0
     170.0       1.9
     171.0       1.0
     178.0       1.2
     183.0      27.5
     184.0       4.8
     185.0       6.8
     186.0       1.0
     194.0       1.3
     195.0       2.3
     196.0       3.6
     197.0       3.9
     199.0       3.6
     201.0       6.8
     202.0       3.9
     203.0       1.6
     228.0       1.3
     241.0       1.8
     260.0       1.1
     261.0       3.7
     262.0      11.3
     263.0       2.3
     275.0       2.4
     277.0      12.7
     278.0       5.7
     303.0     100.0
     304.0      21.8
     305.0       2.6
     317.0      21.9
     318.0      25.4
     319.0       5.6