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网站主页CAS数据库列表 13991-37-2更多图谱反式2-戊烯酸(13991-37-2)核磁图(1HNMR)

反式2-戊烯酸

产品名称 反式2-戊烯酸

CAS号13991-37-2

分子式C5H8O2

分子量100.12

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  • Mass

    MS-NW-2727          
    trans-2-pentenoic acid
    C5H8O2              (Mass of molecular ion:    100)
    

       Source Temperature: 280 °C
       Sample Temperature: 180 °C
       Reservoir, 75 eV
    

          15.0       2.3
          18.0       2.5
          26.0       7.9
          27.0      34.7
          28.0      12.7
          29.0      40.3
          30.0       1.3
          31.0       2.5
          32.0       1.5
          37.0       2.5
          38.0       5.0
          39.0      40.4
          40.0       4.7
          41.0      29.5
          42.0       2.8
          43.0      15.0
          44.0       2.3
          45.0      15.1
          49.0       1.6
          50.0       5.6
          51.0       6.2
          52.0       2.6
          53.0      17.5
          54.0      24.6
          55.0     100.0
          56.0      12.8
          57.0      12.2
          58.0      10.1
          60.0       5.4
          68.0       1.3
          71.0       3.6
          72.0       2.0
          73.0       8.1
          81.0       5.7
          82.0      16.6
          83.0      12.2
          85.0       3.6
          99.0       6.1
         100.0      72.8
         101.0       4.3
    

90 MHz in CDCl3


  • 1H NMR 89.56 MHz
    C5 H8 O2 0.05 ml : 0.5 ml CDCl3
    trans-2-pentenoic acid
    ChemicalStructure
        Assign.     Shift(ppm)
    A 11.99 B 7.14 C 5.83 D 2.26 E 1.09

         Hz     ppm     Int.
    

       1073.58  11.988    292
        654.63   7.310     95
        648.30   7.239    200
        641.98   7.169     96
        638.99   7.135    120
        632.67   7.065    256
        626.34   6.994    126
        530.98   5.929    159
        529.27   5.910    348
        527.56   5.891    164
        515.34   5.755    125
        513.64   5.736    272
        511.93   5.717    126
        217.64   2.431     35
        216.70   2.420     36
        216.02   2.413     35
        212.85   2.377     31
        210.38   2.350    148
        209.61   2.341     94
        208.75   2.331    131
        203.88   2.277    161
        202.94   2.266    199
        201.32   2.248    144
        196.62   2.196    155
        195.00   2.178    161
        189.87   2.121     44
        189.18   2.113     46
        188.16   2.101     48
        187.56   2.095     44
        104.42   1.166    502
         97.33   1.087   1000
         89.72   1.002    369
    

in CDCl3



liquid film