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网站主页CAS数据库列表 643-79-8更多图谱邻苯二甲醛(643-79-8)核磁图(1HNMR)

邻苯二甲醛

产品名称 邻苯二甲醛

CAS号643-79-8

分子式C8H6O2

分子量134.13

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  • Mass

    MS-NW-4256          
    phthalaldehyde
    C8H6O2              (Mass of molecular ion:    134)
    

       Source Temperature: 260 °C
       Sample Temperature: 180 °C
       Reservoir, 75 eV
    

          27.0       3.9
          28.0       1.6
          29.0       5.3
          37.0       2.5
          38.0       3.0
          39.0       6.4
          49.0       1.7
          50.0      16.7
          51.0      38.5
          52.0       9.6
          53.0       2.4
          61.0       1.3
          62.0       2.2
          63.0       3.3
          73.0       1.2
          74.0       5.7
          75.0       3.9
          76.0       8.5
          77.0      76.2
          78.0      16.4
          79.0       1.1
          89.0       1.1
         104.0       2.3
         105.0     100.0
         106.0      36.5
         107.0       2.6
         133.0       7.1
         134.0      35.1
         135.0       3.4
    

90 MHz in CDCl3


  • 1H NMR 89.56 MHz
    C8 H6 O2 0.045 g : 0.5 ml CDCl3
    phthalaldehyde
    ChemicalStructure
        Assign.     Shift(ppm)
    A 10.53 B 7.96 C 7.80

         Hz     ppm     Int.
    

        943.44  10.535   1000
        720.00   8.040    183
        716.41   8.000    155
        714.87   7.983    147
        714.18   7.975     77
        713.76   7.970    135
        711.19   7.941    357
        710.68   7.936    369
        707.26   7.898    109
        706.58   7.890     30
        704.96   7.872    104
        701.37   7.832    304
        700.85   7.826    267
        698.21   7.797    134
        697.18   7.785    124
        695.56   7.767    152
        692.05   7.728    144
    

in CDCl3



KBr disc



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