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2,3-二羟基苯甲醛

产品名称 2,3-二羟基苯甲醛

CAS号24677-78-9

分子式C7H6O3

分子量138.12

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  • Mass

    MS-NW-2388          
    2,3-dihydroxybenzaldehyde
    C7H6O3              (Mass of molecular ion:    138)
    

       Source Temperature: 270 °C
       Sample Temperature: 170 °C
       Reservoir, 75 eV
    

          18.0       1.0
          26.0       1.9
          27.0       7.9
          28.0       2.5
          29.0       5.2
          37.0       2.1
          38.0       3.7
          39.0       6.1
          46.0       1.3
          49.0       1.5
          50.0       4.7
          51.0       5.9
          52.0       4.6
          53.0       8.0
          54.0       1.9
          55.0       9.5
          61.0       1.3
          62.0       2.7
          63.0      12.0
          64.0      12.8
          65.0       1.7
          69.0       1.7
          79.0       1.7
          80.0       1.5
          81.0      19.3
          82.0       2.5
          91.0       2.3
          92.0      23.5
          93.0       1.9
         107.0       2.6
         108.0       2.5
         109.0      10.4
         110.0       4.5
         119.0       1.2
         120.0      14.7
         121.0       1.3
         136.0       2.9
         137.0      69.5
         138.0     100.0
         139.0       7.8
         151.0       1.1
         152.0       2.7
    

90 MHz in CDCl3

400 MHz in CDCl3


  • 1H NMR 89.56 MHz
    C7 H6 O3 0.049 g : 0.5 ml CDCl3
    2,3-dihydroxybenzaldehyde
    ChemicalStructure
        Assign.     Shift(ppm)
    A *1 11.09 B 9.877 C 7.18 D 7.13 E 6.951 F *1 5.89

         Hz     ppm     Int.
    

        993.09  11.089    267
        992.46  11.082    282
        884.63   9.878   1000
        649.52   7.253     61
        648.89   7.246     65
        647.46   7.230     74
        646.91   7.224     75
        644.76   7.200    104
        642.70   7.177    177
        641.75   7.166     79
        640.16   7.148    184
        639.69   7.143    192
        636.75   7.110    418
        634.69   7.087    140
        627.47   7.007    378
        624.61   6.975     22
        620.25   6.926    188
        619.45   6.917    145
        612.23   6.836     99
        526.86   5.883     90
    


  • 1H NMR 399.65 MHz
    C7 H6 O3 0.049 g : 0.5 ml CDCl3
    2,3-dihydroxybenzaldehyde
    ChemicalStructure
        Assign.     Shift(ppm)
    A 11.10 B 9.886 C 7.193 D 7.145 E 6.947 F 5.84 J(C,E)=7.7HZ. J(C,D)=1.5HZ. J(D,E)=7.7HZ. J(A,C)=0.6HZ.

         Hz     ppm     Int.
    

       4434.66  11.097    560
       3950.96   9.887   1000
       2880.10   7.207    164
       2879.33   7.205    174
       2878.57   7.203    183
       2877.96   7.202    156
       2875.67   7.196     27
       2872.16   7.187    192
       2871.55   7.186    210
       2870.79   7.184    219
       2870.03   7.182    192
       2860.57   7.158    259
       2859.04   7.154    225
       2852.78   7.139    327
       2851.26   7.135    262
       2786.10   6.972     24
       2783.51   6.965    279
       2775.57   6.946    465
       2767.79   6.926    206
       2335.51   5.844    164
    

in CDCl3



CCl4 solution



KBr disc



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