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网站主页CAS数据库列表 38430-55-6更多图谱对乙酰基苯甲酸乙酯(38430-55-6)质谱(MS)

对乙酰基苯甲酸乙酯

产品名称 对乙酰基苯甲酸乙酯

CAS号38430-55-6

分子式C11H12O3

分子量192.21

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  • Mass

    MS2017-05459CM      
    ethyl p-acetylbenzoate
    C11H12O3            (Mass of molecular ion:    192)
    

       Source Temperature: 245 °C
       Sample Temperature:  20 °C
       Direct, 70 eV
    

          18.0       1.1
          27.0       1.4
          29.0       1.6
          39.0       1.2
          43.0       9.3
          50.0       5.2
          51.0       2.5
          52.0       1.6
          63.0       1.1
          65.0       9.2
          66.0       2.6
          74.0       2.2
          75.0       4.0
          76.0       9.8
          77.0       4.8
          89.0       1.3
          90.0       1.0
          91.0       8.7
          93.0       1.3
         103.0       5.8
         104.0       8.2
         105.0       1.9
         119.0       7.2
         120.0       1.3
         121.0      10.3
         122.0       1.5
         132.0       1.1
         147.0      37.3
         148.0       4.0
         149.0      37.8
         150.0       3.5
         164.0       3.3
         177.0     100.0
         178.0      10.7
         179.0       1.1
         192.0      21.6
         193.0       2.7
    

90 MHz in CDCl3


  • 1H NMR 89.56 MHz
    C11 H12 O3 0.044 g : 0.5 ml CDCl3
    ethyl p-acetylbenzoate
    ChemicalStructure
        Assign.     Shift(ppm)
    A 8.11 B 8.01 C 4.407 D 2.640 E 1.416 J(C,E)=7.1HZ.

         Hz     ppm     Int.
    

        733.06   8.186     60
        732.19   8.176     41
        730.88   8.161     27
        726.69   8.115     40
        724.44   8.089    229
        723.38   8.078     74
        719.25   8.031    222
        716.94   8.006     42
        712.75   7.959     24
        711.38   7.944     40
        710.50   7.934     59
        405.75   4.531     48
        398.50   4.450    169
        391.38   4.371    177
        384.31   4.292     57
        236.44   2.641   1000
        133.88   1.495    186
        126.75   1.416    407
        119.63   1.336    172
    

in CDCl3



KBr disk



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