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4-羟基-3-甲基-2-丁酮

产品名称 4-羟基-3-甲基-2-丁酮

CAS号3393-64-4

分子式C5H10O2

分子量102.13

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  • Mass

    MS-NW-5480          
    4-hydroxy-3-methyl-2-butanone
    C5H10O2             (Mass of molecular ion:    102)
    

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

          14.0       1.3
          15.0       8.5
          18.0       2.2
          26.0       2.1
          27.0       8.3
          28.0       2.7
          29.0       9.0
          30.0       3.7
          31.0      26.9
          38.0       1.1
          39.0       6.8
          40.0       2.6
          41.0      23.3
          42.0      43.6
          43.0     100.0
          44.0       3.0
          45.0       2.8
          53.0       1.0
          55.0       2.9
          56.0       1.3
          57.0      12.2
          58.0       1.2
          59.0       5.4
          61.0      42.7
          62.0       1.2
          69.0       6.8
          71.0       4.0
          72.0       7.4
          73.0       2.7
          84.0       9.1
          85.0       2.3
          87.0       2.0
         102.0       1.3
    

90 MHz in CDCl3


  • 1H NMR 89.56 MHz
    C5 H10 O2 0.04 ml : 0.5 ml CDCl3
    4-hydroxy-3-methyl-2-butanone
    ChemicalStructure
        Assign.     Shift(ppm)
    A *1 3.75 B *1 3.68 C 2.69 D 2.7 E 2.206 F 1.134 J(E,C)=0.25HZ. J(A,B)=-11.1HZ. J(A,C)=6.8HZ. J(B,C)=4.9HZ. J(C,F)=7.3HZ.

         Hz     ppm     Int.
    

        336.06   3.753    143
        333.25   3.721    166
        329.25   3.677    183
        328.31   3.666    212
        322.19   3.598     22
        255.75   2.856     25
        250.75   2.800     22
        248.50   2.775     36
        243.56   2.720     73
        241.31   2.695     89
        236.69   2.643     34
        197.69   2.208   1000
        197.31   2.204    920
        105.00   1.173    541
         97.75   1.092    469
    

in CDCl3



liquid film