Methyltriethoxysilane(2031-67-6) ¹H NMR

Product NameMethyltriethoxysilane

CAS 2031-67-6

Molecular FormulaC7H18O3Si

Molecular Weight178.3

InChIInChI=1S/C7H18O3Si/c1-5-8-11(4,9-6-2)10-7-3/h5-7H2,1-4H3

InChIKey CPUDPFPXCZDNGI-UHFFFAOYSA-N

Smiles[Si](OCC)(OCC)(OCC)C

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Mass

MS-NW-5022          
triethoxy(methyl)silane
C7H18O3Si           (Mass of molecular ion:    178)

   Source Temperature: 250 °C
   Sample Temperature: 190 °C
   Reservoir, 75 eV

      15.0       1.8
      26.0       2.0
      27.0       3.8
      28.0       2.4
      29.0       3.3
      31.0       2.0
      43.0       2.5
      45.0      13.5
      59.0       2.5
      60.0       1.9
      61.0      10.2
      62.0       2.4
      63.0       4.3
      73.0       5.0
      74.0       2.8
      75.0       1.6
      76.0       1.6
      77.0      30.0
      78.0       2.0
      79.0      10.5
      81.0       1.8
      88.0       1.9
      89.0      16.5
      90.0       1.9
      91.0       7.0
     103.0       2.7
     105.0      15.7
     106.0       1.5
     107.0       8.8
     117.0       2.3
     119.0      53.1
     120.0       5.3
     121.0       2.7
     133.0      66.1
     134.0       7.4
     135.0      10.7
     136.0       1.0
     147.0       1.0
     149.0       4.7
     163.0     100.0
     164.0      12.1
     165.0       4.8
     177.0       2.2
     178.0       2.8

90 MHz in CDCl3

¹H NMR	89.56 MHz
C₇ H₁₈ O₃ Si	0.04 ml : 0.5 ml CDCl₃
triethoxy(methyl)silane

    Assign.     Shift(ppm)

      A             0.129
      B             1.233
      C             3.809

     Hz     ppm     Int.

    352.19   3.933    118
    345.00   3.853    440
    343.63   3.837     34
    338.00   3.775    464
    336.56   3.758     38
    331.19   3.698    143
    117.06   1.308    477
    110.19   1.231   1000
    103.13   1.152    411
     11.56   0.130    755

in CDCl3