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78-78-4

2-Methylbutane

Product Name 2-Methylbutane

CAS78-78-4

MFC5H12

MW72.15

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  • 78-78-4_ms
    Mass 

    MS-IW-3448          
isopentane
C5H12               (Mass of molecular ion:     72)


       Source Temperature: 210 °C
   Sample Temperature: 160 °C
   Reservoir, 75 eV


          15.0       2.2
      26.0       3.5
      27.0      43.4
      28.0       5.7
      29.0      60.2
      30.0       1.4
      37.0       1.3
      38.0       3.2
      39.0      30.2
      40.0       5.1
      41.0      88.4
      42.0      95.4
      43.0     100.0
      44.0       6.9
      50.0       2.4
      51.0       2.8
      53.0       3.7
      55.0      10.5
      56.0      40.4
      57.0      94.7
      58.0       5.7
      71.0       4.7
      72.0      16.4

90 MHz in CDCl3

  • 78-78-4_1hnmr

    1H NMR 89.56 MHz
    C5 H12 0.04 ml : 0.5 ml CDCl3
    isopentane
    ChemicalStructure 
        Assign.     Shift(ppm)
    
      A             1.447
      B             1.20
      C             0.869
      D             0.865
     
     J(B,D)=7.3 HZ.
     J(A,C)=6.6 HZ.
     J(A,B)=6.6 HZ
  

         Hz     ppm     Int.


        113.94   1.273     93
    107.38   1.199     98
    106.31   1.188    110
    101.75   1.137     79
    100.75   1.125    101
     99.81   1.115     82
     84.56   0.945    138
     83.25   0.930    188
     82.50   0.922    163
     80.50   0.899   1000
     77.44   0.865    456
     76.44   0.854    153
     74.56   0.833    700
     71.31   0.797     74
     69.69   0.779     77

in CDCl3

liquid film

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