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Ethyl 2-ethylacetoacetate

CAS607-97-6

MFC8H14O3

MW158.2

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  • Mass

    MS-NW-5836          
    ethyl 2-ethyl-3-oxobutyrate
    C8H14O3             (Mass of molecular ion:    158)
    

       Source Temperature: 260 °C
       Sample Temperature: 190 °C
       Reservoir, 75 eV
    

          15.0       5.9
          18.0       2.2
          26.0       1.9
          27.0      11.1
          28.0       2.6
          29.0      19.6
          31.0       5.6
          39.0       4.7
          40.0       1.1
          41.0       6.9
          42.0       2.5
          43.0     100.0
          44.0       4.6
          45.0       6.2
          46.0       1.0
          55.0      12.8
          57.0       1.7
          58.0       1.6
          60.0       1.0
          61.0       1.7
          69.0       5.4
          70.0       8.1
          71.0      10.6
          73.0      36.3
          74.0       1.5
          84.0       3.2
          85.0       1.7
          86.0       2.3
          87.0       5.0
          88.0      11.3
          89.0       3.7
          97.0       1.4
         101.0      28.1
         102.0       2.5
         112.0       1.0
         113.0      12.0
         114.0       1.0
         115.0       1.3
         116.0      40.4
         117.0       3.0
         130.0       4.8
    

90 MHz in CDCl3


  • 1H NMR 89.56 MHz
    C8 H14 O3 0.04 ml : 0.5 ml CDCl3
    ethyl 2-ethyl-3-oxobutyrate
    ChemicalStructure
        Assign.     Shift(ppm)
    A 4.199 B 3.336 C 2.225 D 1.88 E 1.278 F 0.94 J(A,E)=7.1HZ. J(B,D)=7.3HZ. J(B,C)=0.3HZ.

         Hz     ppm     Int.
    

        387.06   4.322     70
        379.94   4.243    240
        372.81   4.163    259
        365.75   4.084     83
        306.44   3.422     47
        299.13   3.340    101
        291.75   3.258     57
        199.06   2.223   1000
        176.06   1.966     82
        168.75   1.885    136
        161.44   1.803    127
        154.69   1.728     32
        154.19   1.722     33
        121.50   1.357    260
        114.50   1.279    519
        107.25   1.198    230
         91.00   1.017    168
         89.38   0.998     37
         83.88   0.937    293
         76.31   0.853    113
    

in CDCl3



liquid film