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2-Fluoro-5-nitrobenzoic acid

Product Name 2-Fluoro-5-nitrobenzoic acid

CAS7304-32-7

MFC7H4FNO4

MW185.11

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  • Mass

    MS-KW-0418          
    2-fluoro-5-nitrobenzoic acid 
    C7H4FNO4            (Mass of molecular ion:    185)
    

       Source Temperature: 240 °C
       Sample Temperature: 150 °C
       Reservoir, 75 eV
    

          17.0       2.2
          18.0      11.0
          28.0       2.7
          30.0      23.6
          31.0       3.3
          37.0       2.2
          38.0       1.8
          39.0       3.1
          44.0       4.0
          45.0       6.5
          47.0       4.9
          48.0       2.4
          49.0       2.3
          50.0      12.7
          51.0       7.7
          53.0       1.8
          55.0       1.0
          56.0       1.9
          57.0      21.6
          61.0       3.1
          62.0       3.3
          63.0       6.5
          68.0       9.6
          69.0       4.6
          71.0       2.1
          73.0       2.6
          74.0      11.9
          75.0      20.5
          76.0       1.9
          79.0       4.9
          80.0       1.1
          81.0       3.2
          82.0       4.3
          83.0      87.4
          84.0       4.7
          85.0      15.0
          87.0       2.6
          91.0       2.2
          92.0       3.2
          93.0      14.5
          94.0      24.9
          95.0       4.8
          99.0       2.9
         107.0      13.3
         108.0       1.2
         109.0       1.0
         110.0       5.0
         111.0       7.2
         120.0       1.0
         121.0       8.0
         122.0      15.5
         123.0       1.7
         135.0      16.1
         136.0       1.4
         138.0       1.0
         139.0      30.1
         140.0       2.6
         141.0       1.5
         155.0      19.0
         156.0       1.5
         168.0      10.5
         169.0       6.1
         184.0       1.0
         185.0     100.0
         186.0       8.5
         187.0       1.2
    

400 MHz in DMSO-d6


  • 1H NMR 399.65 MHz
    C7H4FNO4 0.039 g : 0.5 ml DMSO-d6
    2-fluoro-5-nitrobenzoic acid
    ChemicalStructure
        Assign.     Shift(ppm)
    A 8.610 B 8.495 C 7.628

         Hz     ppm     Int.
    

       3446.81   8.622    749
       3443.76   8.615    860
       3440.56   8.607    778
       3437.50   8.599    821
       3403.78   8.515    476
       3400.58   8.507    535
       3399.82   8.505    601
       3396.76   8.497    468
       3394.63   8.492    496
       3391.42   8.484    559
       3390.81   8.482    568
       3387.61   8.474    397
       3058.63   7.651    745
       3048.86   7.627   1000
       3039.56   7.604    702
    

in DMSO-d6



KBr disk



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