Tetraethyl orthosilicate(78-10-4) IR1

Product NameTetraethyl orthosilicate

CAS 78-10-4

Molecular FormulaC8H20O4Si

Molecular Weight208.33

InChIInChI=1S/C8H20O4Si/c1-5-9-13(10-6-2,11-7-3)12-8-4/h5-8H2,1-4H3

InChIKey BOTDANWDWHJENH-UHFFFAOYSA-N

SmilesO(CC)[Si](OCC)(OCC)OCC

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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

    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