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2,3,4-三羟基苯甲酸

CAS号610-02-6

分子式C7H6O5

分子量170.12

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  • Mass

    MS-NW-2166          
    2,3,4-trihydroxybenzoic acid
    C7H6O5 (H2O)        (Mass of molecular ion:    170)
    

       Source Temperature: 200 °C
       Sample Temperature: 140 °C
       Direct, 75 eV
    

          17.0       5.2
          18.0      25.1
          26.0       1.0
          27.0       1.9
          28.0       3.8
          29.0       3.7
          37.0       2.6
          38.0       4.6
          39.0      13.4
          40.0       5.3
          41.0       1.0
          42.0       3.3
          43.0       2.1
          44.0       5.3
          45.0       2.0
          48.0       1.0
          49.0       1.2
          50.0       3.9
          51.0       7.2
          52.0       3.1
          53.0       8.1
          54.0       1.0
          55.0       3.0
          62.0       1.8
          66.0       2.6
          67.0       5.3
          68.0      17.2
          69.0       2.7
          77.0       1.9
          78.0       4.7
          79.0       5.0
          80.0       2.2
          95.0       8.3
          96.0       8.3
          97.0       1.4
         106.0      16.3
         107.0       2.5
         108.0       1.9
         123.0       8.8
         124.0      25.6
         125.0       2.6
         126.0       6.5
         151.0       4.1
         152.0     100.0
         153.0      10.4
         154.0       1.2
         170.0      40.6
         171.0       3.2
    

400 MHz in DMSO-d6


  • 1H NMR 399.65 MHz
    C7 H6 O5 0.038 g : 0.5 ml DMSO-d6
    2,3,4-trihydroxybenzoic acid
    ChemicalStructure
        Assign.     Shift(ppm)
    A *1 11.4 B *1 9.8 C *1 8.5 D 7.208 E 6.397

         Hz     ppm     Int.
    

       3926.27   9.825     24
       3413.09   8.541     28
       2885.50   7.221    929
       2881.10   7.210     28
       2876.71   7.199   1000
       2561.52   6.410    881
       2558.11   6.401     28
       2557.13   6.399     30
       2552.73   6.388    941
    

in DMSO-d6



KBr disc



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