4,6-DiMethylbenzofuran-2,3-dione(31297-31-1) IR1

Mass

MS-IW-7943          
4,6-dimethyl-2,3-benzofurandione
C10H8O3             (Mass of molecular ion:    176)

   Source Temperature: 140 °C
   Sample Temperature: 120 °C
   Direct, 75 eV

      27.0       1.6
      28.0       1.9
      38.0       1.4
      39.0       5.3
      41.0       1.1
      45.0       2.6
      45.5       1.3
      46.0       1.6
      50.0       2.9
      51.0       7.6
      52.0       2.9
      53.0       1.7
      59.0       1.2
      62.0       1.4
      63.0       3.3
      64.0       1.1
      65.0       6.7
      66.0       1.1
      74.0       2.2
      77.0       2.7
      89.0       1.3
      91.0      27.9
      92.0      11.0
     105.0       5.0
     119.0      11.4
     120.0      31.8
     121.0       2.9
     148.0     100.0
     149.0      10.2
     176.0       8.0
     177.0       1.1