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网站主页CAS数据库列表 107-87-9更多图谱2-戊酮(107-87-9)核磁图(1HNMR)

2-戊酮

产品名称 2-戊酮

CAS号107-87-9

分子式C5H10O

分子量86.13

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  • Mass

    MS-NW-0661          
    2-pentanone
    C5H10O              (Mass of molecular ion:     86)
    

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

          15.0       4.8
          26.0       1.3
          27.0      10.5
          28.0       1.3
          29.0       1.9
          38.0       1.2
          39.0       6.3
          41.0      11.9
          42.0       4.0
          43.0     100.0
          44.0       2.3
          58.0      10.3
          71.0      11.0
          86.0      20.2
          87.0       1.2
    

90 MHz in CDCl3


  • 1H NMR 89.56 MHz
    C5 H10 O 0.04 ml : 0.5 ml CDCl3
    2-pentanone
    ChemicalStructure
        Assign.     Shift(ppm)
    A 2.40 B 2.13 C 1.60 D 0.93

         Hz     ppm     Int.
    

        223.13   2.492     70
        215.94   2.412    160
        208.56   2.329    118
        191.13   2.135    652
        190.63   2.129   1000
        190.19   2.124    553
        155.63   1.738     36
        154.63   1.727     62
        148.69   1.661     43
        147.75   1.650    114
        146.81   1.640     66
        140.81   1.573     82
        139.69   1.560     99
        132.75   1.483     67
         90.00   1.005    112
         89.31   0.998    206
         88.63   0.990    126
         82.44   0.921    413
         81.75   0.913    216
         79.63   0.890     30
         75.56   0.844     68
         74.75   0.835    118
         73.69   0.823     64
    

in CDCl3



CCl4 solution



liquid film



4880 A,200 M,liquid