硅酸异丙酯

Mass

MS-IW-6517          
tetraisopropyl orthosilicate
C12H28O4Si          (Mass of molecular ion:    264)

   Source Temperature: 180 °C
   Sample Temperature: 150 °C
   Reservoir, 75 eV

      27.0       1.2
      39.0       2.3
      41.0       5.0
      42.0       3.0
      43.0       3.0
      45.0       1.3
      62.0       1.9
      63.0       8.1
      69.0       1.4
      75.0       2.5
      77.0       1.4
      79.0      38.2
      80.0       2.0
      81.0       1.8
      82.0       2.1
      83.0       1.2
      89.0       2.2
      96.0       2.4
      97.0       2.8
     103.0       2.4
     104.0       1.0
     105.0       5.8
     107.0       6.3
     117.0       2.2
     119.0       3.6
     121.0      19.2
     122.0       1.6
     123.0       6.3
     125.0       2.0
     133.0       1.3
     137.0       6.0
     147.0       2.8
     149.0       8.5
     151.0       3.3
     163.0      12.0
     164.0       1.5
     165.0      51.3
     166.0       5.5
     167.0       2.4
     179.0       2.9
     191.0      12.8
     192.0       1.8
     205.0       9.3
     206.0       1.5
     207.0      27.4
     208.0       3.9
     209.0       1.4
     221.0       3.3
     233.0       1.6
     249.0     100.0
     250.0      17.7
     251.0       5.6
     263.0       4.4

Assign. Shift(ppm) A 4.225 B 1.202

     Hz     ppm     Int.

   1700.81   4.256     68
   1694.70   4.241    164
   1688.60   4.226    213
   1682.50   4.210    166
   1676.39   4.195     72
    491.21   1.230     43
    483.64   1.211   1000
    477.42   1.195    960