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网站主页CAS数据库列表 546-56-5更多图谱八苯基环四硅氧烷(546-56-5)核磁图(1HNMR)

八苯基环四硅氧烷

产品名称 八苯基环四硅氧烷

CAS号546-56-5

分子式C48H40O4Si4

分子量793.18

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  • Mass

    MS-IW-0706          
    octaphenylcyclotetrasiloxane
    C48H40O4Si4         (Mass of molecular ion:    792)
    

       Source Temperature: 210 °C
       Sample Temperature: 240 °C
       Direct, 75 eV
    

          77.0       3.1
          78.0       1.6
         153.0       1.1
         154.0       3.6
         180.0       2.5
         181.0       2.0
         197.0       2.0
         202.0       1.5
         218.0       1.0
         219.0       1.4
         240.0       2.9
         240.5       1.7
         241.0      30.9
         241.5      14.2
         242.0       7.6
         242.5       2.2
         255.0       1.1
         257.0       2.8
         259.0       1.2
         271.0       1.5
         279.0       8.0
         279.5       6.1
         280.0      27.7
         280.5      14.4
         281.0       7.2
         281.5       2.3
         317.0       1.9
         317.5       1.1
         318.0       3.3
         318.5       2.2
         319.0       2.2
         357.0       2.5
         358.0       1.6
         359.0       1.1
         393.0       1.6
         435.0       1.2
         437.0       4.7
         438.0       2.0
         439.0       8.5
         440.0       3.5
         441.0       1.5
         481.0       2.8
         482.0       2.1
         483.0       4.7
         484.0       2.2
         485.0       1.4
         557.0       4.6
         558.0      13.1
         559.0      83.7
         560.0      57.0
         561.0      33.9
         562.0      13.4
         563.0       5.2
         564.0       1.7
         635.0      13.0
         636.0      23.1
         637.0     100.0
         638.0      70.2
         639.0      36.5
         640.0      14.3
         641.0       4.4
         642.0       1.2
         713.0      10.2
         714.0      43.1
         715.0      48.1
         716.0      28.1
         717.0      12.4
         718.0       4.3
         719.0       1.2
         792.0      14.9
         793.0      10.8
         794.0       6.1
         795.0       2.4
    

400 MHz in CDCl3


  • 1H NMR 399.65 MHz
    C48 H40 O4 Si4 0.040 g : 0.5 ml CDCl3
    octaphenylcyclotetrasiloxane
    ChemicalStructure
        Assign.     Shift(ppm)
    A 7.460 B 7.319 C 7.160

         Hz     ppm     Int.
    

       2986.69   7.474    644
       2985.23   7.470    827
       2982.30   7.463    124
       2980.47   7.458    296
       2978.64   7.454    913
       2977.17   7.450    820
       2934.69   7.344    135
       2933.35   7.340    245
       2931.88   7.337    146
       2927.61   7.326    185
       2926.64   7.324    271
       2925.78   7.321    558
       2924.93   7.319    246
       2924.07   7.317    200
       2922.12   7.312     42
       2919.68   7.306    229
       2918.33   7.303    382
       2916.87   7.299    200
       2868.90   7.179    622
       2867.19   7.175    295
       2861.45   7.160    911
       2860.72   7.159   1000
       2854.98   7.144    209
       2853.88   7.141    423
       2853.39   7.140    432
    

in CDCl3



KBr disc



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