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网站主页CAS数据库列表 1629-58-9更多图谱1-戊烯-3-酮(1629-58-9)核磁图(13CNMR)

1-戊烯-3-酮

产品名称 1-戊烯-3-酮

CAS号1629-58-9

分子式C5H8O

分子量84.12

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  • Mass

    MS-IW-6353          
    1-penten-3-one
    C5H8O               (Mass of molecular ion:     84)
    

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

          26.0       4.1
          27.0      28.0
          28.0       3.4
          29.0      16.3
          39.0       2.2
          41.0       1.9
          42.0       1.0
          43.0       1.4
          53.0       1.2
          55.0     100.0
          56.0       8.0
          57.0       9.9
          83.0       3.4
          84.0      21.1
          85.0       1.6
         111.0       2.5
    

90 MHz in CDCl3


  • 1H NMR 89.56 MHz
    C5 H8 O 0.06 ml : 0.5 ml CDCl3
    1-penten-3-one
    ChemicalStructure
        Assign.     Shift(ppm)
    A 6.34 B 6.23 C 5.813 D 2.616 E 1.112 J(A,C)=8.7HZ. J(B,C)=-3.3HZ. J(A,B)=17.5HZ.

         Hz     ppm     Int.
    

        587.75   6.563     53
        579.13   6.467     34
        570.25   6.368    338
        563.06   6.287    361
        561.56   6.271    536
        559.75   6.251    494
        545.56   6.092     88
        541.88   6.051     30
        525.88   5.872    336
        522.56   5.835    255
        517.19   5.775    223
        513.88   5.738    215
        246.13   2.749    117
        245.63   2.743    121
        238.44   2.663    461
        231.13   2.581    520
        224.25   2.504    161
        223.81   2.499    165
        106.44   1.189    514
        104.25   1.165     40
         99.38   1.110   1000
         97.00   1.084     70
         93.50   1.044     78
         91.88   1.026    425
    

in CDCl3



liquid film