Tetraethyl orthosilicate(78-10-4) 1H NMR
Product NameTetraethyl orthosilicate
CAS78-10-4
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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MassMS-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
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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
CCl4 solution
liquid film
