2,3-Benzofurandione,4,7-dimethyl-(31297-30-0) IR2

Mass

MS-IW-7944          
4,7-dimethyl-2,3-benzofurandione
C10H8O3             (Mass of molecular ion:    176)

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

      27.0       1.5
      28.0       2.5
      38.0       1.4
      39.0       6.5
      40.0       1.0
      41.0       1.2
      45.0       4.7
      45.5       1.9
      46.0       2.1
      50.0       3.3
      51.0       7.8
      52.0       2.8
      52.5       1.2
      53.0       2.0
      59.0       1.6
      62.0       1.4
      63.0       3.8
      64.0       1.4
      65.0       9.7
      66.0       1.4
      67.0       1.2
      73.0       1.1
      74.0       5.2
      77.0       3.1
      89.0       1.9
      91.0      38.4
      92.0       9.2
     105.0      10.3
     119.0      11.4
     120.0      82.3
     121.0       7.5
     147.0       1.5
     148.0     100.0
     149.0      10.2
     176.0      21.6
     177.0       2.6