3,6-Diphenyl-4,5-dimethyl-2H-pyran-2-one(33731-56-5) IR2

Mass

MS-IW-9412          
4,5-dimethyl-3,6-diphenyl-2-pyranone
C19H16O2            (Mass of molecular ion:    276)

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

      18.0       2.1
      28.0       1.3
      39.0       3.3
      41.0       1.2
      50.0       1.3
      51.0       6.0
      63.0       2.3
      65.0       2.6
      71.0       2.0
      75.0       1.0
      76.0       1.4
      77.0      23.5
      78.0       2.3
      89.0       2.4
      91.0       3.9
     101.0       1.6
     102.0       1.7
     103.0       3.7
     105.0      20.9
     106.0       1.6
     115.0       7.1
     116.0       1.5
     124.0       9.4
     124.5       1.7
     127.0       3.3
     128.0      10.2
     129.0       2.0
     138.0       1.6
     141.0       3.5
     142.0       1.6
     143.0      35.9
     144.0       4.4
     171.0       1.1
     202.0       1.6
     203.0       2.1
     204.0       2.0
     205.0       3.8
     215.0       1.3
     233.0       1.6
     247.0       3.4
     248.0     100.0
     249.0      19.9
     250.0       2.2
     276.0      37.3
     277.0       7.6
     278.0       1.0