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3,4-二氯苯甲醛

产品名称 3,4-二氯苯甲醛

CAS号6287-38-3

分子式C7H4Cl2O

分子量175.01

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  • Mass

    MS-NW-8785          
    3,4-dichlorobenzaldehyde
    C7H4Cl2O            (Mass of molecular ion:    174)
    

       Source Temperature: 270 °C
       Sample Temperature: 150 °C
       Reservoir, 75 eV
    

          29.0       2.8
          36.0       1.7
          37.0       2.9
          38.0       1.9
          49.0       2.3
          50.0       8.9
          51.0       3.5
          54.5       1.4
          55.0       2.1
          61.0       2.2
          62.0       1.1
          69.0       1.0
          72.0       1.1
          73.0       7.2
          74.0      19.0
          75.0      25.1
          76.0       2.2
          84.0       5.2
          85.0       4.2
          86.0       2.3
          87.0       1.6
         108.0       1.1
         109.0      14.2
         110.0       6.2
         111.0      15.7
         112.0       2.6
         113.0       3.8
         145.0      41.1
         146.0       7.3
         147.0      26.7
         148.0       4.6
         149.0       4.6
         173.0     100.0
         174.0      66.8
         175.0      69.4
         176.0      43.3
         177.0      13.6
         178.0       7.1
    

400 MHz in CDCl3

90 MHz in CDCl3


  • 1H NMR 399.65 MHz
    C7 H4 Cl2 O 0.039 g : 0.5 ml CDCl3
    3,4-dichlorobenzaldehyde
    ChemicalStructure
        Assign.     Shift(ppm)
    A 9.959 B 7.961 C 7.728 D 7.641 J(C,D)=8.2HZ. J(B,C)=1.8HZ.

         Hz     ppm     Int.
    

       3980.10   9.959   1000
       3186.34   7.973     25
       3182.68   7.964    589
       3180.85   7.960    691
       3097.84   7.752     24
       3094.33   7.743    313
       3092.50   7.739    280
       3089.75   7.732     23
       3086.09   7.722    463
       3084.26   7.718    452
       3060.61   7.659     27
       3056.64   7.649    603
       3052.67   7.639     24
       3048.40   7.628    403
    


  • 1H NMR 89.56 MHz
    C7 H4 Cl2 O 0.045 g : 0.5 ml CDCl3
    3,4-dichlorobenzaldehyde
    ChemicalStructure
        Assign.     Shift(ppm)
    A 9.952 B 7.955 C 7.71 D 7.65

         Hz     ppm     Int.
    

        891.44   9.954   1000
        891.06   9.950    826
        713.56   7.968    422
        713.00   7.962    377
        711.88   7.949    551
        711.25   7.942    452
        698.13   7.796    176
        696.50   7.777     91
        689.94   7.704    779
        689.25   7.696     77
        688.25   7.685    741
        686.38   7.664    505
        686.00   7.660    582
        685.44   7.654    406
        678.19   7.573     85
        677.81   7.569     94
        677.19   7.562     62
    

in CDCl3



CCl4 solution



KBr disc



4880 A,100M,powder