2,6-dimethyl-3,5-diphenyl-pyran-4-one(33731-54-3) IR1

Mass

MS-IW-9411          
2,6-dimethyl-3,5-diphenyl-4-pyranone
C19H16O2            (Mass of molecular ion:    276)

   Source Temperature: 150 °C
   Sample Temperature: 160 °C
   Direct, 75 eV

      18.0       2.0
      28.0       1.3
      39.0       2.9
      43.0      29.9
      51.0       2.5
      55.0       3.6
      62.0       1.0
      63.0       4.0
      65.0       1.6
      75.0       1.0
      77.0       3.7
      78.0       1.3
      88.0       1.0
      89.0       6.2
      90.0       7.1
      91.0       2.1
     101.0       1.4
     102.0       1.0
     103.0       2.4
     104.0       1.0
     105.0       1.2
     114.0       1.7
     115.0      25.6
     116.0       9.9
     117.0       1.4
     118.0      12.8
     119.0       1.3
     127.0       1.6
     128.0       1.4
     133.0       1.8
     137.0       1.0
     138.0       5.2
     138.5       1.1
     160.0       1.8
     161.0       2.0
     189.0       1.4
     202.0       2.7
     203.0       2.7
     204.0       1.7
     205.0       3.4
     215.0       3.2
     229.0       1.0
     231.0       1.1
     232.0       1.0
     233.0       2.7
     258.0       1.0
     261.0       1.2
     275.0     100.0
     276.0      73.3
     277.0      13.6
     278.0       1.6