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网站主页CAS数据库列表 78-84-2更多图谱异丁醛(78-84-2)核磁图(1HNMR)

异丁醛

产品名称 异丁醛

CAS号78-84-2

分子式C4H8O

分子量72.11

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  • Mass

    MS-IW-3442          
    isobutyraldehyde
    C4H8O               (Mass of molecular ion:     72)
    

       Source Temperature: 220 °C
       Sample Temperature: 160 °C
       Reservoir, 75 eV
    

          15.0       2.4
          26.0       5.6
          27.0      54.9
          28.0      13.1
          29.0      31.5
          31.0       1.5
          37.0       3.4
          38.0       5.7
          39.0      28.7
          40.0       3.9
          41.0      86.7
          42.0      14.0
          43.0     100.0
          44.0       7.4
          45.0       1.1
          50.0       1.0
          53.0       1.5
          55.0       3.3
          56.0       1.8
          57.0       6.9
          71.0       4.4
          72.0      92.3
          73.0       5.9
          83.0       2.5
          98.0       1.7
    

parameter neat


  • 1H NMR 300 MHz
    C4 H8 O neat
    isobutyraldehyde
    ChemicalStructure
        Parameter     ppm  Hz
    D(A) 2.39 D(B) 1.06 D(C) 9.57 J(A,B) 7.0 J(A,C) 1.1 J(B,C) 0.0 RANFT,J. ANN.PHYS. 10, 1 (1962)

         Hz     ppm     Int.
    

       2871.54   9.572    186
       2870.52   9.568    186
        731.75   2.439     16
        730.65   2.435     15
        724.66   2.416     39
        723.63   2.412     36
        717.65   2.392     54
        716.62   2.389     51
        710.71   2.369     42
        709.69   2.366     41
        703.70   2.346     18
        702.67   2.342     18
        321.54   1.072   1000
        314.52   1.048    953
    

in CDCl3



CCl4 solution



liquid film



4880 A,200 M,liquid