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网站主页CAS数据库列表 591-80-0更多图谱4-戊烯酸(591-80-0)红外图谱(IR1)

4-戊烯酸

产品名称 4-戊烯酸

CAS号591-80-0

分子式C5H8O2

分子量100.12

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  • Mass

    MS-NW-5391          
    4-pentenoic acid
    C5H8O2              (Mass of molecular ion:    100)
    

       Source Temperature: 260 °C
       Sample Temperature: 180 °C
       Reservoir, 75 eV
    

          14.0       1.0
          15.0       2.2
          18.0       3.4
          26.0       8.0
          27.0      38.6
          28.0      17.0
          29.0      36.6
          30.0       1.8
          31.0       2.6
          37.0       2.1
          38.0       4.2
          39.0      43.4
          40.0       4.8
          41.0      52.0
          42.0       9.0
          43.0      29.5
          44.0       4.2
          45.0      12.3
          46.0       1.0
          49.0       1.5
          50.0       5.1
          51.0       5.9
          52.0       2.5
          53.0      15.9
          54.0      40.7
          55.0     100.0
          56.0      20.1
          57.0      12.9
          58.0      24.7
          59.0       1.3
          60.0      10.2
          67.0       1.7
          71.0       2.4
          72.0       2.0
          73.0       5.7
          79.0       1.3
          80.0       1.3
          81.0       3.4
          82.0      12.6
          83.0       4.9
          85.0       2.5
          94.0       1.0
          95.0       2.6
          97.0       1.2
          98.0       1.0
          99.0       4.7
         100.0      21.8
         101.0       1.6
    

90 MHz in CDCl3


  • 1H NMR 89.56 MHz
    C5 H8 O2 0.04 ml : 0.5 ml CDCl3
    4-pentenoic acid
    ChemicalStructure
        Assign.     Shift(ppm)
    A 11.36 B 5.82 C 5.07 D 5.02 E 2.71 to 2.16

         Hz     ppm     Int.
    

       1017.53  11.362    120
       1017.19  11.358    121
       1016.85  11.354    121
        537.56   6.003     82
        535.08   5.975     30
        533.72   5.960     42
        532.26   5.944     39
        531.41   5.934     37
        527.65   5.892    111
        526.45   5.879     66
        525.09   5.863     62
        521.67   5.825     52
        520.21   5.809    143
        518.68   5.792     47
        518.25   5.787     40
        517.74   5.781     36
        516.37   5.766     73
        514.58   5.746     85
        512.35   5.721     34
        510.39   5.699    199
        508.59   5.679     69
        507.91   5.672     43
        506.37   5.654     34
        504.32   5.632     69
        465.27   5.196     67
        463.73   5.178    199
        463.22   5.173    168
        461.85   5.157    317
        461.17   5.150    151
        460.49   5.142    111
        458.61   5.121     37
        456.64   5.099    113
        455.44   5.086    308
        454.68   5.077    189
        453.56   5.065    184
        452.97   5.058     91
        447.92   5.002     67
        446.47   4.986    202
        445.62   4.976    310
        444.59   4.965    347
        443.65   4.954    201
        232.25   2.594     40
        227.38   2.539     92
        223.54   2.496     30
        222.17   2.481     83
        221.14   2.470    337
        220.37   2.461    500
        219.35   2.450    896
        218.66   2.442   1000
        217.04   2.424    583
        214.90   2.400    377
        214.14   2.392    308
        213.11   2.380    165
        212.26   2.371    152
        211.57   2.363    118
        210.80   2.354    197
        209.09   2.335    116
        207.73   2.320     44
        205.42   2.294     38
        203.97   2.278     52
        202.43   2.261     51
    

in CDCl3



liquid film



4880 A,200 M,powder