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Tetraethyl orthocarbonate

CAS78-09-1

MFC9H20O4

MW192.25

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  • Mass

    MS-NW-8990          
    tetraethyl orthocarbonate
    C9H20O4             (Mass of molecular ion:    192)
    

       Source Temperature: 250 °C
       Sample Temperature: 140 °C
       Reservoir, 75 eV
    

          19.0       1.8
          27.0       5.6
          28.0       2.3
          29.0      23.5
          31.0       8.8
          43.0       2.2
          45.0      16.7
          46.0       1.3
          47.0       9.7
          63.0      91.9
          64.0       1.2
          75.0       2.2
          91.0      70.3
          92.0       2.5
         102.0       1.8
         119.0      39.4
         120.0       2.3
         147.0     100.0
         148.0       8.0
    

parameter in CDCl3


  • 1H NMR 300 MHz
    C9 H20 O4 0.04 ml : 0.5 ml CDCl3
    tetraethyl orthocarbonate
    ChemicalStructure
        Parameter     ppm  Hz
    D(A) 3.582 D(B) 1.220 J(A,B) 7.1

         Hz     ppm     Int.
    

       1085.31   3.618    161
       1078.22   3.594    490
       1071.10   3.570    500
       1064.01   3.547    170
        373.06   1.244    507
        365.97   1.220   1000
        358.87   1.196    485
    

in CDCl3



liquid film



4880 A,200 M,liquid