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141-79-7

Mesityl oxide

Product Name Mesityl oxide

CAS141-79-7

MFC6H10O

MW98.14

More

  • 141-79-7_ms
    Mass

    MS-NW-0029          
    4-methyl-3-penten-2-one
    C6H10O              (Mass of molecular ion:     98)
    

       Source Temperature: 220 °C
       Sample Temperature:  65 °C
       Reservoir, 75 eV
    

          15.0       4.3
          18.0       1.5
          26.0       1.5
          27.0      13.8
          28.0       2.4
          29.0      22.7
          31.0       2.5
          37.0       1.0
          38.0       2.5
          39.0      19.9
          40.0       2.2
          41.0       7.6
          42.0       2.4
          43.0      40.5
          44.0       1.0
          50.0       2.6
          51.0       3.3
          52.0       1.3
          53.0       9.1
          54.0       1.7
          55.0      85.0
          56.0       4.6
          58.0       1.5
          59.0       6.8
          79.0       1.9
          82.0       1.2
          83.0     100.0
          84.0       5.6
          98.0      53.6
          99.0       3.9
    

90 MHz in CDCl3

  • 141-79-7_1hnmr

    1H NMR 89.56 MHz
    C6 H10 O 0.04 ml : 0.5 ml CDCl3
    4-methyl-3-penten-2-one
    ChemicalStructure
        Assign.     Shift(ppm)
    A 6.090 B 2.161 C 2.137 D 1.885

         Hz     ppm     Int.
    

        547.94   6.119     36
        546.94   6.107     70
        546.56   6.103     72
        545.63   6.093     94
        544.31   6.078     74
        542.94   6.063     37
        193.56   2.162   1000
        192.00   2.144    479
        190.75   2.130    478
        169.56   1.894    447
        168.25   1.879    459
    

in CDCl3

CCl4 solution

liquid film