4-Nitrobenzoic anhydride(902-47-6) IR1

Mass

MS-IW-7009          
p-nitrobenzoic anhydride
C14H8N2O7           (Mass of molecular ion:    316)

   Source Temperature: 170 °C
   Sample Temperature: 150 °C
   Direct, 75 eV

      28.0       1.0
      30.0       6.6
      38.0       1.3
      39.0       6.3
      45.0       1.3
      50.0       8.6
      51.0       5.9
      53.0       2.3
      63.0       1.5
      64.0       1.2
      65.0      36.3
      66.0       2.1
      74.0       4.9
      75.0       9.3
      76.0       6.5
      81.0       3.5
      92.0       1.8
      93.0       4.6
     103.0       3.6
     104.0       4.0
     109.0       7.0
     120.0       1.6
     121.0      32.3
     122.0       2.7
     137.0      10.8
     150.0       3.2
     151.0       1.2
     167.0     100.0
     168.0       8.3
     169.0       1.1