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517-23-7

2-Acetylbutyrolactone

Product Name 2-Acetylbutyrolactone

CAS517-23-7

MFC6H8O3

MW128.13

More

  • 517-23-7_ms
    Mass

    MS-NW-8455          
    alpha-acetyl-gamma-butyrolactone
    C6H8O3              (Mass of molecular ion:    128)
    

       Source Temperature: 260 °C
       Sample Temperature: 140 °C
       Reservoir, 75 eV
    

          14.0       1.2
          15.0       9.4
          26.0       3.0
          27.0      11.8
          28.0       3.2
          29.0       5.8
          38.0       1.4
          39.0       8.9
          40.0       2.1
          41.0      21.9
          42.0      12.1
          43.0     100.0
          44.0       3.6
          45.0       1.6
          53.0       1.5
          55.0      16.3
          56.0       1.0
          57.0       1.8
          58.0       6.9
          68.0       5.9
          69.0       9.1
          70.0       2.6
          71.0       3.6
          82.0       1.1
          85.0      10.8
          86.0      45.9
          87.0       2.2
          95.0       1.3
         100.0       1.1
         110.0       1.0
         113.0       3.2
         128.0       2.6
    

400 MHz in CDCl3

  • 517-23-7_1hnmr

    1H NMR 399.65 MHz
    C6 H8 O3 0.05 ml : 0.5 ml CDCl3
    alpha-acetyl-gamma-butyrolactone
    ChemicalStructure
        Assign.     Shift(ppm)
    A *1 4.36 B *1 4.34 C 3.781 D *2 2.732 E 2.430 F *2 2.348 ASSIGNED BY H-H COSY

         Hz     ppm     Int.
    

       1758.79   4.401     68
       1752.93   4.387     62
       1751.59   4.383     52
       1749.88   4.379    134
       1744.14   4.365    140
       1741.58   4.358    144
       1740.36   4.355    142
       1735.84   4.344    131
       1733.40   4.338    158
       1732.42   4.335    152
       1731.45   4.333     69
       1725.59   4.318    139
       1724.49   4.316     68
       1723.51   4.313     66
       1716.67   4.296     55
       1519.41   3.802    124
       1512.21   3.784    135
       1510.13   3.779    131
       1502.93   3.761    129
       1109.99   2.778     46
       1103.03   2.760     82
       1101.68   2.757     51
       1096.92   2.745     62
       1095.95   2.743     58
       1094.73   2.740     77
       1089.97   2.728     95
       1088.62   2.724     62
       1087.65   2.722     50
       1082.76   2.710     63
       1081.67   2.707     86
       1074.46   2.689     48
        971.44   2.431   1000
        955.57   2.392     52
        949.83   2.377     56
        947.75   2.372     61
        946.29   2.368     55
        942.38   2.359     65
        942.02   2.358     64
        940.55   2.354     56
        938.48   2.349     59
        936.65   2.344     49
        934.57   2.339     51
        933.11   2.335     61
        932.74   2.334     62
        928.83   2.325     46
        927.37   2.321     46
        925.29   2.316     45
        919.56   2.301     41
    

in CDCl3

  • 517-23-7_13cnmr

CCl4 solution

  • 517-23-7_ir1_2

liquid film

  • 517-23-7_ir2

  • 517-23-7_raman