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乙酰丙酮酸乙酯

产品名称 乙酰丙酮酸乙酯

CAS号615-79-2

分子式C7H10O4

分子量158.15

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  • Mass

    MS-IW-1280          
    ethyl 2,4-dioxovalerate
    C7H10O4             (Mass of molecular ion:    158)
    

       Source Temperature: 240 °C
       Sample Temperature: 160 °C
       Reservoir, 75 eV
    

          15.0       1.8
          27.0       4.9
          28.0       2.5
          29.0      10.1
          31.0       6.5
          39.0       1.8
          41.0       2.8
          42.0       3.7
          43.0      52.9
          44.0       3.6
          45.0       4.1
          46.0       1.2
          58.0       5.5
          69.0       6.8
          84.0       2.9
          85.0     100.0
          86.0       5.0
         158.0       2.7
    

400 MHz in CDCl3


  • 1H NMR 399.65 MHz
    C7 H10 O4 0.05 ml : 0.5 ml CDCl3
    ethyl 2,4-dioxovalerate
    ChemicalStructure
        Assign.     Shift(ppm)
    A 6.390 B 4.354 C 2.276 D 1.381

         Hz     ppm     Int.
    

       2553.71   6.390    502
       1750.85   4.381    124
       1747.80   4.374     24
       1743.77   4.364    344
       1740.72   4.356     27
       1736.57   4.346    338
       1729.49   4.328    126
        909.55   2.276   1000
        906.25   2.268     43
        561.40   1.405     43
        559.20   1.400    357
        555.91   1.391     37
        554.20   1.387     64
        552.00   1.382    623
        548.83   1.374     40
        547.12   1.369     34
        544.80   1.364    335
        541.75   1.356     21
    

liquid film