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delta-戊内酯

产品名称 delta-戊内酯

CAS号542-28-9

分子式C5H8O2

分子量100.12

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  • Mass

    MS-NW-1503          
    delta-valerolactone
    C5H8O2              (Mass of molecular ion:    100)
    

       Source Temperature: 250 °C
       Sample Temperature: 170 °C
       Reservoir, 75 eV
    

          14.0       1.4
          15.0       2.6
          26.0       7.4
          27.0      26.9
          28.0      27.2
          29.0       7.5
          31.0       1.6
          37.0       2.0
          38.0       3.5
          39.0      24.5
          40.0       8.1
          41.0     100.0
          42.0      99.2
          43.0       8.1
          44.0       4.8
          50.0       1.7
          51.0       1.4
          53.0       2.2
          54.0       2.3
          55.0      17.5
          56.0      76.1
          57.0       3.6
          70.0      14.9
          71.0       3.9
         100.0      23.4
         101.0       1.5
    

90 MHz in CDCl3


  • 1H NMR 89.56 MHz
    C5 H8 O2 0.04 ml : 0.5 ml CDCl3
    delta-valerolactone
    ChemicalStructure
        Assign.     Shift(ppm)
    A 4.34 B 2.55 C 2.15 to 1.63

         Hz     ppm     Int.
    

        395.31   4.414    320
        393.44   4.394    188
        392.75   4.386    135
        392.00   4.377    152
        390.94   4.366    208
        389.19   4.346    605
        388.25   4.336    347
        387.19   4.324    265
        386.13   4.312    198
        385.06   4.300    162
        383.13   4.278    365
        236.75   2.644    129
        236.31   2.639    108
        235.63   2.631    197
        233.69   2.610     84
        231.63   2.587    176
        231.06   2.580    181
        228.75   2.555    783
        226.75   2.532    173
        225.94   2.523    122
        225.38   2.517    170
        224.38   2.506    133
        223.38   2.495    184
        222.50   2.485    227
        221.94   2.479    298
        221.31   2.472    279
        219.69   2.453     69
        218.38   2.439     38
        217.94   2.434     39
        179.88   2.009     68
        178.81   1.997    199
        178.13   1.989    142
        177.31   1.980    128
        176.06   1.966    182
        175.38   1.959    255
        173.75   1.941    259
        172.31   1.924   1000
        169.13   1.889    691
        167.81   1.874    533
        165.31   1.846    709
        162.44   1.814    367
        159.69   1.784     66
        158.00   1.765     43
    

in CDCl3



CCl4 solution



liquid film