2-Sulfobenzoic anhydride

Mass

MS-NW-4855          
o-sulfobenzoic cyclic anhydride
C7H4O4S             (Mass of molecular ion:    184)

   Source Temperature: 260 °C
   Sample Temperature: 180 °C
   Reservoir, 75 eV

      17.0       1.0
      18.0       5.1
      28.0       4.8
      37.0       4.3
      38.0       8.7
      39.0       2.2
      44.0       1.5
      46.0       2.8
      48.0       1.6
      49.0       2.4
      50.0      48.4
      51.0       2.9
      52.0       1.6
      53.0       1.0
      61.0       1.3
      62.0       1.6
      63.0       5.5
      64.0       5.7
      69.0       1.6
      73.0       2.5
      74.0      11.7
      75.0       8.9
      76.0      93.7
      77.0       6.8
      92.0      16.2
      93.0       1.1
     104.0     100.0
     105.0       8.1
     120.0      45.5
     121.0       3.8
     184.0      32.8
     185.0       3.0
     186.0       1.9

Assign. Shift(ppm) A *1 7.872 B *1 7.708 C *2 7.56 D *2 7.51

     Hz     ppm     Int.

   3150.15   7.883    778
   3142.46   7.864    855
   3084.96   7.720    687
   3083.62   7.716    804
   3079.96   7.707    245
   3077.39   7.701    812
   3076.29   7.698    947
   3030.40   7.583    313
   3029.30   7.580    390
   3026.12   7.572    199
   3023.07   7.565    768
   3021.85   7.562    880
   3018.80   7.554    278
   3017.94   7.552    263
   3015.75   7.546    671
   3014.28   7.543    723
   3011.35   7.535    791
   3010.01   7.532    866
   3006.59   7.524    306
   3003.91   7.517    909
   3002.69   7.514   1000
   2996.34   7.498    388
   2995.48   7.496    410
   2992.31   7.488    168
   2991.21   7.485    116