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150-13-0

4-Aminobenzoic acid

Product Name 4-Aminobenzoic acid

CAS150-13-0

MFC7H7NO2

MW137.14

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  • 150-13-0_ms_1
    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

  • 150-13-0_1hnmr_2

    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

  • 150-13-0_1hnmr

    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

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