Mass

MS-IW-9779          
7a-methyl-7,7a-dihydro-1,5(6H)-indandione
C10H12O2            (Mass of molecular ion:    164)

   Source Temperature: 130 °C
   Sample Temperature: 110 °C
   Direct, 75 eV

      27.0       8.7
      28.0       2.8
      29.0       1.9
      38.0       1.2
      39.0      12.0
      40.0       3.2
      41.0       5.3
      42.0       1.2
      43.0       1.1
      50.0       2.7
      51.0       7.2
      52.0       6.5
      53.0       9.5
      54.0       2.0
      55.0       5.8
      63.0       2.3
      65.0       5.2
      66.0       6.6
      67.0       4.4
      68.0       1.2
      77.0      11.9
      78.0       4.2
      79.0      50.0
      80.0      17.9
      81.0       4.4
      91.0       7.8
      92.0       1.4
      93.0      14.1
      94.0      24.7
      95.0       2.5
     107.0      32.1
     108.0       6.9
     109.0       2.2
     121.0      34.4
     122.0      96.2
     123.0      19.4
     124.0       1.5
     135.0       1.1
     136.0      22.7
     137.0       2.2
     164.0     100.0
     165.0      11.3
     166.0       1.1