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网站主页CAS数据库列表 579-39-5更多图谱4,4'-二氟苯偶酰(579-39-5)红外图谱(IR2)

4,4'-二氟苯偶酰

产品名称 4,4'-二氟苯偶酰

CAS号579-39-5

分子式C14H8F2O2

分子量246.21

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  • Mass

    MS-IW-6973          
    4,4'-difluorobenzil
    C14H8F2O2           (Mass of molecular ion:    246)
    

       Source Temperature: 140 °C
       Sample Temperature: 110 °C
       Direct, 75 eV
    

          69.0       1.1
          75.0       5.8
          95.0      24.5
          96.0       1.6
         123.0     100.0
         124.0       7.7
         246.0       3.1
    

400 MHz in CDCl3


  • 1H NMR 399.65 MHz
    C14 H8 F2 O2 0.040 g : 0.5 ml CDCl3
    4,4'-difluorobenzil
    ChemicalStructure
        Assign.     Shift(ppm)
    A 8.025 B 7.201

         Hz     ppm     Int.
    

       3217.16   8.050    103
       3214.36   8.043    670
       3212.28   8.038    282
       3209.11   8.030    718
       3207.52   8.026    383
       3207.03   8.025    378
       3205.44   8.021    729
       3202.27   8.013    287
       3200.07   8.008    688
       3197.27   8.001     95
       2889.16   7.230    107
       2886.35   7.223    695
       2884.28   7.218    236
       2880.86   7.209    165
       2879.52   7.206    332
       2878.05   7.202   1000
       2876.10   7.197    309
       2874.76   7.194    140
       2871.22   7.185    239
       2869.14   7.180    652
       2866.33   7.173     86
    

in CDCl3



KBr disc



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