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2,4-二氟甲苯

产品名称 2,4-二氟甲苯

CAS号452-76-6

分子式C7H6F2

分子量128.12

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  • Mass

    MS-IW-7550          
    2,4-difluorotoluene
    C7H6F2              (Mass of molecular ion:    128)
    

       Source Temperature: 220 °C
       Sample Temperature: 150 °C
       Reservoir, 75 eV
    

          31.0       1.1
          44.0       1.3
          50.0       1.4
          51.0       2.3
          54.0       1.7
          57.0       3.2
          63.0       1.9
          63.5       1.1
          64.0       1.6
          75.0       2.9
          77.0       2.5
          81.0       2.2
          83.0       1.2
         101.0       7.5
         107.0       4.2
         109.0       3.6
         125.0       3.5
         126.0       2.6
         127.0     100.0
         128.0      51.4
         129.0       3.7
    

400 MHz in CDCl3


  • 1H NMR 399.65 MHz
    C7 H6 F2 0.05 ml : 0.5 ml CDCl3
    2,4-difluorotoluene
    ChemicalStructure
        Assign.     Shift(ppm)
    A 7.081 B 6.75 to 6.710 C 2.203 J(A,F-19)=9.5HZ.

         Hz     ppm     Int.
    

       2843.14   7.115     55
       2842.53   7.113     80
       2841.80   7.111     72
       2839.72   7.106     35
       2839.11   7.104     36
       2836.55   7.098     82
       2836.06   7.097     96
       2835.69   7.096     95
       2835.21   7.095     91
       2834.47   7.093     89
       2833.74   7.091    148
       2833.01   7.089    170
       2832.52   7.088    135
       2830.69   7.083     39
       2829.83   7.081     37
       2827.27   7.075    147
       2826.54   7.073    168
       2826.05   7.072    152
       2825.07   7.069    117
       2824.22   7.067     89
       2818.97   7.054     79
       2818.48   7.053     88
       2817.75   7.051     77
       2702.03   6.761     98
       2698.73   6.753    265
       2695.92   6.746    132
       2693.73   6.741    150
       2691.16   6.734    281
       2689.58   6.730    248
       2689.09   6.729    252
       2688.60   6.728    226
       2687.38   6.725    161
       2687.01   6.724    162
       2686.40   6.722    138
       2685.91   6.721    149
       2683.72   6.716    140
       2683.23   6.714    136
       2681.40   6.710     66
       2679.57   6.705    170
       2677.00   6.699     95
        892.58   2.234     34
        892.21   2.233     34
        891.36   2.231     40
        890.87   2.230     41
        890.50   2.229     43
        889.28   2.226     49
        888.92   2.225     50
        881.10   2.205    998
        880.74   2.204    957
        880.25   2.203    940
        879.88   2.202   1000
        879.03   2.200    821
        878.17   2.198    630
        877.81   2.197    559
    

in CDCl3



liquid film