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网站主页CAS数据库列表 62269-44-7更多图谱3-三甲基硅氧基-2-丁烯酸甲酯(62269-44-7)质谱(MS)

3-三甲基硅氧基-2-丁烯酸甲酯

产品名称 3-三甲基硅氧基-2-丁烯酸甲酯

CAS号62269-44-7

分子式C8H16O3Si

分子量188.3


  • Mass

    MS-IW-9100          
    methyl 3-trimethylsilyloxy-2-butenoate
    C8H16O3Si           (Mass of molecular ion:    188)
    

       Source Temperature: 220 °C
       Sample Temperature: 150 °C
       Reservoir, 75 eV
    

          15.0       3.8
          27.0       1.6
          28.0       2.0
          29.0       2.8
          31.0       1.7
          39.0       3.5
          42.0       1.9
          43.0      20.9
          44.0       4.4
          45.0      17.7
          46.0       1.2
          47.0       3.6
          55.0       1.8
          57.0       1.3
          58.0       2.4
          59.0      22.5
          60.0       2.1
          61.0       2.9
          67.0       1.5
          69.0       5.0
          71.0       3.7
          72.0       5.1
          73.0      68.0
          74.0       6.7
          75.0      13.1
          77.0       1.5
          79.0       1.1
          84.0       3.5
          85.0       2.3
          89.0      86.8
          90.0       7.3
          91.0       4.1
          99.0       7.1
         101.0       1.4
         105.0      13.2
         106.0       1.3
         113.0       1.9
         114.0       1.6
         115.0       4.2
         116.0       1.0
         131.0       1.1
         141.0       2.5
         143.0       1.4
         147.0       7.1
         148.0       1.1
         156.0       3.7
         157.0      21.2
         158.0       3.3
         159.0       1.0
         173.0     100.0
         174.0      13.0
         175.0       4.7
         188.0       2.8
    

400 MHz in CDCl3


  • 1H NMR 399.65 MHz
    C8 H16 O3 Si 0.05 ml : 0.5 ml CDCl3
    methyl 3-trimethylsilyloxy-2-butenoate
    ChemicalStructure
        Assign.     Shift(ppm)
    A 5.139 B 3.658 C 2.268 D 0.270

         Hz     ppm     Int.
    

       2054.20   5.140    141
       2053.47   5.139    136
       1462.16   3.659    575
        906.98   2.270    436
        906.37   2.268    408
        111.45   0.279    185
        108.15   0.271   1000
        104.74   0.263    127
    

in CDCl3



liquid film