3,3,4,4-diphenylsulfonetetracarboxylicdianhydride

Mass

MS-IW-6665          
4,4'-sulfonyldiphthalic dianhydride
C16H6O8S            (Mass of molecular ion:    358)

   Source Temperature: 190 °C
   Sample Temperature: 240 °C
   Direct, 75 eV

      28.0       2.7
      44.0       1.5
      50.0       1.2
      53.0       1.3
      62.0       1.7
      63.0       3.7
      73.0       1.6
      74.0      12.6
      75.0      47.9
      76.0       3.4
     103.0      75.2
     104.0       5.8
     119.0       1.6
     123.0       2.6
     135.0       4.2
     195.0       2.8
     242.0       4.1
     314.0     100.0
     315.0      18.1
     316.0       7.1
     317.0       1.0
     358.0       2.6