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网站主页CAS数据库列表 78-10-4更多图谱硅酸乙酯(78-10-4)核磁图(13CNMR)

硅酸乙酯

产品名称 硅酸乙酯

CAS号78-10-4

分子式C8H20O4Si

分子量208.33

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  • Mass

    MS-NW-2173          
    tetraethyl orthosilicate
    C8H20O4Si           (Mass of molecular ion:    208)
    

       Source Temperature: 250 °C
       Sample Temperature: 170 °C
       Reservoir, 75 eV
    

          15.0       1.2
          18.0       1.1
          26.0       1.0
          27.0       4.2
          28.0       4.3
          29.0       4.7
          31.0       4.6
          32.0       1.3
          43.0       2.9
          45.0       7.3
          61.0       1.1
          62.0       5.9
          63.0      12.8
          73.0       1.7
          75.0       1.8
          77.0       2.6
          79.0      27.0
          80.0       1.4
          81.0       1.3
          82.0       1.9
          89.0       3.2
          90.0       1.9
          91.0       7.8
          93.0       2.9
         103.0       1.8
         105.0       5.2
         107.0      12.2
         118.0       1.4
         119.0      26.9
         120.0       2.7
         121.0       5.6
         123.0       4.0
         133.0       2.2
         135.0      20.6
         136.0       1.9
         137.0       3.1
         147.0       1.6
         149.0      82.2
         150.0       8.8
         151.0       7.7
         163.0      54.3
         164.0       6.4
         165.0       8.6
         179.0      28.2
         180.0       4.4
         181.0       1.8
         193.0     100.0
         194.0      13.0
         195.0       4.8
         207.0       6.8
         208.0      14.9
         209.0       2.4
         296.0       1.2
         297.0       2.3
    

90 MHz in CDCl3


  • 1H NMR 89.56 MHz
    C8 H20 O4 Si 0.04 ml : 0.5 ml CDCl3
    tetraethyl orthosilicate
    ChemicalStructure
        Assign.     Shift(ppm)
    A 3.852 B 1.244

         Hz     ppm     Int.
    

        355.94   3.975    110
        348.69   3.894    436
        341.69   3.816    465
        334.88   3.740    132
        118.13   1.320    462
        111.19   1.242   1000
        108.88   1.216     31
        104.13   1.163    399
    

in CDCl3



CCl4 solution



liquid film