2,6-二甲基苯甲酸(632-46-2)核磁图(¹³CNMR)

Mass

MS-NW-6510          
2,6-dimethylbenzoic acid
C9H10O2             (Mass of molecular ion:    150)

   Source Temperature: 260 °C
   Sample Temperature: 190 °C
   Reservoir, 75 eV

      18.0       1.7
      27.0       6.2
      38.0       2.4
      39.0      11.9
      40.0       1.2
      41.0       2.2
      43.0       2.1
      44.0       1.4
      45.0       1.7
      50.0       4.9
      51.0      15.0
      51.5       1.2
      52.0       4.4
      53.0       4.5
      61.0       1.3
      62.0       3.1
      63.0       7.0
      64.0       1.7
      65.0       5.8
      65.5       1.1
      66.0       4.5
      74.0       2.4
      75.0       2.3
      76.0       1.9
      77.0      23.2
      78.0      16.1
      79.0      12.2
      89.0       2.4
      90.0       1.2
      91.0      13.1
      92.0       1.3
     102.0       2.7
     103.0      18.3
     104.0      52.3
     105.0      41.1
     106.0       4.8
     107.0       1.1
     119.0       1.3
     132.0     100.0
     133.0      25.2
     134.0       2.4
     135.0       3.8
     149.0       2.8
     150.0      80.0
     151.0       8.4

Assign. Shift(ppm) A 11.90 B 7.217 C 7.07 D 2.446

     Hz     ppm     Int.

   1065.55  11.898     40
    650.18   7.260     36
    646.25   7.216     46
    640.95   7.157    136
    635.31   7.094    159
    634.80   7.088    157
    630.10   7.036     31
    629.42   7.028     41
    628.65   7.020     33
    626.17   6.992     31
    221.48   2.473     23
    219.18   2.448   1000