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2,3,4-三甲氧基苯甲醛

产品名称 2,3,4-三甲氧基苯甲醛

CAS号2103-57-3

分子式C10H12O4

分子量196.2

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  • Mass

    MS-NW-8748          
    2,3,4-trimethoxybenzaldehyde
    C10H12O4            (Mass of molecular ion:    196)
    

       Source Temperature: 270 °C
       Sample Temperature: 140 °C
       Reservoir, 75 eV
    

          15.0       3.9
          18.0       4.6
          27.0       1.6
          28.0       5.3
          29.0       2.5
          37.0       1.2
          38.0       4.6
          39.0      14.4
          41.0       3.3
          43.0       2.7
          45.0       1.6
          50.0       5.0
          51.0       8.5
          52.0       3.1
          53.0       8.0
          54.0       1.8
          55.0       2.8
          59.0       1.5
          62.0       1.8
          63.0       3.2
          64.0       1.9
          65.0      13.6
          66.0       5.4
          67.0       6.5
          69.0       3.1
          75.0       1.8
          76.0       4.4
          77.0      10.7
          78.0       5.8
          79.0       8.1
          80.0       2.9
          81.0       4.0
          82.0       7.0
          90.0       2.3
          91.0       2.8
          92.0       4.0
          93.0      10.3
          94.0       4.9
          95.0      15.5
          96.0       1.7
          97.0       3.4
         104.0       3.4
         105.0       5.5
         106.0       6.3
         107.0      10.1
         108.0       5.3
         109.0       5.5
         110.0      10.4
         118.0       2.0
         119.0       4.0
         120.0      12.7
         121.0       5.9
         122.0       4.1
         123.0      14.5
         124.0       2.2
         125.0       6.0
         132.0       1.2
         133.0       2.2
         134.0       5.5
         135.0      18.0
         136.0       7.9
         137.0      10.0
         138.0       7.0
         139.0       5.3
         147.0       1.0
         148.0       9.6
         149.0       5.7
         150.0      20.9
         151.0      13.8
         152.0       8.3
         153.0       9.4
         154.0       1.6
         162.0       1.2
         163.0      33.9
         164.0       4.0
         165.0       6.9
         166.0       6.6
         167.0       8.4
         168.0       1.9
         177.0       2.6
         178.0      10.6
         179.0      20.3
         180.0       4.8
         181.0      40.1
         182.0       4.0
         195.0      13.9
         196.0     100.0
         197.0      11.5
         198.0       1.4
    

90 MHz in CDCl3


  • 1H NMR 89.56 MHz
    C10 H12 O4 0.058 g : 0.5 ml CDCl3
    2,3,4-trimethoxybenzaldehyde
    ChemicalStructure
        Assign.     Shift(ppm)
    A 10.244 B 7.598 C 6.767 D 4.034 E 3.941 F 3.890 J(B,C)=8.8HZ J(A,C)=0.6HZ

         Hz     ppm     Int.
    

        917.80  10.248    209
        917.21  10.242    197
        685.33   7.653    136
        676.54   7.555    169
        610.11   6.813    109
        601.32   6.715     88
        361.38   4.036   1000
        353.03   3.942    865
        348.49   3.892    993
    

in CDCl3



KBr disc



nujol mull



4880 A,200 M,powder