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网站主页CAS数据库列表 1201-31-6更多图谱2,3,4,5-四氟苯甲酸(1201-31-6)核磁图(1HNMR)

2,3,4,5-四氟苯甲酸

产品名称 2,3,4,5-四氟苯甲酸

CAS号1201-31-6

分子式C7H2F4O2

分子量194.08

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  • Mass

    MS-IW-4205          
    2,3,4,5-tetrafluorobenzoic acid
    C7H2F4O2            (Mass of molecular ion:    194)
    

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

          28.0       1.7
          31.0       3.6
          44.0       2.5
          45.0       5.2
          61.0       2.0
          68.0       1.3
          75.0       4.6
          79.0       2.5
          80.0       5.7
          81.0       6.0
          88.5       2.9
          93.0       1.9
          98.0       1.7
          99.0      27.8
         100.0       2.7
         117.0       1.1
         118.0       1.8
         119.0       3.1
         130.0       7.1
         131.0       1.1
         146.0       1.3
         148.0       2.0
         149.0      45.8
         150.0       9.5
         166.0       1.2
         174.0       3.6
         175.0       1.3
         176.0       1.0
         177.0     100.0
         178.0       7.7
         194.0      92.0
         195.0       7.5
    

400 MHz in CDCl3


  • 1H NMR 399.65 MHz
    C7 H2 F4 O2 0.039 g : 0.5 ml CDCl3
    2,3,4,5-tetrafluorobenzoic acid
    ChemicalStructure
        Assign.     Shift(ppm)
    A 11.8 B 7.705

         Hz     ppm     Int.
    

       4709.39  11.784    248
       3093.87   7.742    513
       3091.48   7.736    570
       3088.00   7.727    558
       3085.62   7.721    977
       3083.79   7.717    863
       3083.42   7.716    875
       3081.41   7.711    708
       3079.76   7.707    670
       3077.38   7.701    881
       3075.55   7.696   1000
       3073.17   7.690    638
       3069.69   7.681    547
       3067.12   7.675    547
       3061.99   7.662     38
    

in CDCl3



KBr disc



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