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对氨基苯甲酸

产品名称 对氨基苯甲酸

CAS号150-13-0

分子式C7H7NO2

分子量137.14

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  • Mass

    MS-NW-0228          
    p-aminobenzoic acid
    C7H7NO2             (Mass of molecular ion:    137)
    

       Source Temperature: 180 °C
       Sample Temperature:   0 °C
       Direct, 75 eV
    

          26.0       1.3
          27.0       1.9
          28.0       4.5
          37.0       3.5
          38.0       8.3
          39.0      17.8
          40.0       2.4
          41.0       5.9
          42.0       1.3
          45.0       4.3
          45.5       1.6
          46.0       2.3
          50.0       3.9
          51.0       3.3
          52.0       7.1
          53.0       2.4
          54.0       2.1
          54.5       4.0
          60.0       1.5
          61.0       3.1
          62.0       5.7
          63.0      11.3
          64.0       6.5
          65.0      36.9
          66.0       6.0
          74.0       1.8
          75.0       1.1
          80.0       2.6
          81.0       2.1
          90.0       2.3
          91.0       4.4
          92.0      39.2
          93.0       4.8
         108.0       2.7
         109.0       2.0
         120.0     100.0
         121.0       8.5
         137.0      93.0
         138.0       7.3
    

400 MHz in DMSO-d6

90 MHz in DMSO-d6


  • 1H NMR 399.65 MHz
    C7 H7 N O2 0.032 g : 0.5 ml DMSO-d6
    p-aminobenzoic acid
    ChemicalStructure
        Assign.     Shift(ppm)
    A 12.0 B 7.650 C 6.573 D 5.89

         Hz     ppm     Int.
    

       4796.03  12.001     29
       3064.38   7.668    121
       3061.81   7.662    922
       3059.98   7.657    314
       3057.78   7.652     67
       3055.03   7.645    291
       3053.20   7.640   1000
       3050.82   7.634    131
       2633.93   6.591    127
       2631.37   6.585    957
       2629.54   6.580    318
       2624.59   6.568    282
       2622.76   6.563    949
       2620.20   6.557    126
       2352.59   5.887    125
    


  • 1H NMR 89.56 MHz
    C7 H7 N O2 0.039 g : 0.5 ml DMSO-d6
    p-aminobenzoic acid
    ChemicalStructure
        Assign.     Shift(ppm)
    A 12. B 7.648 C 6.577 D 5.9 J(B,C)=8.8HZ

         Hz     ppm     Int.
    

        692.48   7.733     97
        690.00   7.705    800
        688.04   7.683    279
        685.47   7.654     80
        683.25   7.629    281
        681.29   7.608   1000
        678.81   7.580    175
        595.84   6.653    126
        593.44   6.627    957
        591.48   6.605    305
        588.66   6.573     84
        586.61   6.550    260
        584.64   6.528    833
        582.25   6.502    148
        579.60   6.472     60
        578.06   6.455     43
        524.15   5.853     65
    

KBr disc



nujol mull



4880 A,200 M,powder



OXIDATION WITH PERBENZOIC ACID IN DIOXANE

OXIDATION WITH PBA IN ETHANOL