4-Nitrophthalic anhydride

Mass

MS-NW-0194          
4-nitrophthalic anhydride
C8H3NO5             (Mass of molecular ion:    193)

   Source Temperature: 220 °C
   Sample Temperature:   0 °C
   Direct, 75 eV

      17.0       2.3
      18.0       9.0
      27.0       2.1
      28.0       3.1
      29.0       1.1
      30.0      18.0
      38.0       7.7
      38.5       1.9
      39.0       6.9
      40.0       9.8
      42.0       1.1
      44.5       2.6
      45.5       6.3
      46.0       1.3
      49.0       3.6
      50.0      13.5
      51.0       8.9
      52.0       1.6
      53.0      14.4
      55.0       1.5
      61.0       4.6
      62.0       7.3
      63.0      17.0
      64.0       9.9
      65.0      44.1
      66.0       2.5
      73.0       9.7
      74.0      52.1
      75.0     100.0
      76.0       9.1
      77.0       1.9
      79.0       1.7
      80.0       1.0
      81.0       7.6
      90.0       1.4
      91.0      13.7
      92.0       7.4
      93.0       5.3
     101.0       1.0
     103.0      70.1
     104.0       6.6
     107.0       1.7
     109.0       7.2
     119.0      10.3
     120.0       6.5
     121.0      35.6
     122.0       2.8
     135.0       1.1
     136.0       2.0
     137.0      12.1
     138.0       1.0
     147.0       7.4
     148.0      10.7
     149.0      87.2
     150.0       7.9
     151.0       1.2
     163.0       2.0
     167.0      57.9
     168.0       5.0
     193.0       8.3
     194.0       4.7
     195.0       1.1
     211.0       1.1

Assign. Shift(ppm) A 8.841 B 8.80 C 8.29

     Hz     ppm     Int.

    791.81   8.842   1000
    790.38   8.826    371
    784.31   8.758    366
    782.38   8.736    239
    745.94   8.329    390
    744.50   8.313    251
    738.38   8.245    158
    737.00   8.230    273
    736.50   8.224     98