7-hydroxytropolone(33739-50-3) IR1

Mass

MS-IW-6654          
2,7-dihydroxy-2,4,6-cycloheptatrien-1-one
C7H6O3              (Mass of molecular ion:    138)

   Source Temperature: 120 °C
   Sample Temperature: 100 °C
   Direct, 75 eV

      18.0       1.3
      26.0       1.3
      27.0       3.9
      29.0       1.7
      37.0       1.1
      38.0       2.5
      39.0       4.5
      46.0       2.2
      50.0       2.8
      51.0       3.4
      52.0       2.1
      53.0       5.3
      54.0       2.5
      55.0       4.1
      62.0       1.2
      63.0       7.8
      64.0      14.7
      65.0       1.4
      69.0       2.2
      81.0       4.9
      82.0       3.7
      92.0       5.9
     109.0       1.3
     110.0      42.5
     111.0       3.0
     138.0     100.0
     139.0       9.7
     140.0       1.0