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网站主页CAS数据库列表 303-38-8更多图谱2,3-二羟基苯甲酸(303-38-8)核磁图(13CNMR)

2,3-二羟基苯甲酸

产品名称 2,3-二羟基苯甲酸

CAS号303-38-8

分子式C7H6O4

分子量154.12

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  • Mass

    MS-NW-0272          
    2,3-dihydroxybenzoic acid
    C7H6O4              (Mass of molecular ion:    154)
    

       Source Temperature: 190 °C
       Sample Temperature:   0 °C
       Direct, 75 eV
    

          26.0       1.2
          27.0       2.7
          28.0       1.0
          29.0       1.5
          37.0       1.2
          38.0       1.4
          39.0       2.3
          45.0       1.5
          49.0       1.1
          50.0       3.8
          51.0       8.2
          52.0      17.5
          53.0       5.5
          54.0       3.8
          55.0       3.3
          62.0       1.5
          63.0       3.0
          77.0       1.7
          79.0       5.7
          80.0      16.9
          81.0       3.5
         107.0       5.9
         108.0      24.7
         109.0       2.3
         135.0       1.8
         136.0     100.0
         137.0       9.5
         138.0       1.0
         154.0      39.7
         155.0       3.2
    

400 MHz in DMSO-d6

90 MHz in DMSO-d6


  • 1H NMR 399.65 MHz
    C7 H6 O4 0.039 g : 0.5 ml DMSO-d6
    2,3-dihydroxybenzoic acid
    ChemicalStructure
        Assign.     Shift(ppm)
    A 7.285 B 7.048 C 6.751

         Hz     ppm     Int.
    

       3735.84   9.348     26
       2916.50   7.298    525
       2914.79   7.294    563
       2908.45   7.278    588
       2906.98   7.274    580
       2822.02   7.062    529
       2820.31   7.057    541
       2814.21   7.042    618
       2812.50   7.038    581
       2710.21   6.782     24
       2705.81   6.771    552
       2702.39   6.762     45
       2697.75   6.751   1000
       2693.12   6.739     38
       2689.94   6.731    464
    


  • 1H NMR 89.56 MHz
    C7 H6 O4 0.044 g : 0.5 ml DMSO-d6
    2,3-dihydroxybenzoic acid
    ChemicalStructure
        Assign.     Shift(ppm)
    A 13. to 8.11 B 7.267 C 7.027 D 6.744

         Hz     ppm     Int.
    

        656.16   7.327    415
        654.37   7.307    568
        652.32   7.284     27
        648.39   7.240    591
        646.59   7.220    674
        644.54   7.197     31
        635.14   7.092    370
        633.35   7.072    466
        627.28   7.005    819
        625.49   6.985    584
        610.28   6.815    759
        607.03   6.778     26
        602.50   6.728   1000
        594.64   6.640    346
    

in DMSO-d6



KBr disc



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