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网站主页CAS数据库列表 619-05-6更多图谱3,4-二氨基苯甲酸(619-05-6)红外图谱(IR2)

3,4-二氨基苯甲酸

产品名称 3,4-二氨基苯甲酸

CAS号619-05-6

分子式C7H8N2O2

分子量152.15

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  • Mass

    MS-NW-2395          
    3,4-diaminobenzoic acid
    C7H8N2O2            (Mass of molecular ion:    152)
    

       Source Temperature: 250 °C
       Sample Temperature: 180 °C
       Direct, 75 eV
    

          17.0       2.8
          18.0      14.0
          26.0       1.4
          27.0       5.6
          28.0       6.7
          29.0       1.2
          37.0       1.0
          38.0       1.8
          39.0       3.5
          40.0       1.0
          41.0       3.5
          42.0       1.5
          43.0       1.7
          44.0       4.2
          45.0       1.1
          50.0       2.7
          51.0       4.8
          52.0       7.8
          53.0       9.2
          53.5       1.3
          54.0       2.6
          55.0       1.8
          57.0       1.5
          62.0       3.0
          63.0       3.7
          64.0       1.4
          65.0       1.9
          66.0       1.0
          67.0       1.7
          67.5       1.2
          68.0       1.4
          69.0       3.1
          76.0       2.7
          77.0       1.8
          78.0       4.6
          79.0       5.1
          80.0      17.2
          81.0       3.1
          90.0       5.7
          91.0       1.4
          93.0       1.0
          95.0       1.2
          96.0       2.7
         105.0       2.7
         106.0       4.9
         107.0      25.3
         108.0       4.4
         120.0       1.0
         124.0       4.1
         135.0      42.5
         136.0       3.8
         137.0       1.6
         151.0       3.1
         152.0     100.0
         153.0       8.2
    

400 MHz in DMSO-d6


  • 1H NMR 399.65 MHz
    C7 H8 N2 O2 0.038 g : 0.5 ml DMSO-d6
    3,4-diaminobenzoic acid
    ChemicalStructure
        Assign.     Shift(ppm)
    A 7.163 B 7.100 C 6.517 D 5.3 J(A,B)=1.8HZ J(B,C)=8.1HZ

         Hz     ppm     Int.
    

       2864.07   7.167    912
       2862.09   7.162   1000
       2854.77   7.144     24
       2854.31   7.143     24
       2852.33   7.138     23
       2851.72   7.136     23
       2851.41   7.135     23
       2842.86   7.114    516
       2841.03   7.109    438
       2834.78   7.094    539
       2832.95   7.089    478
       2617.49   6.550     22
       2617.03   6.549     23
       2608.64   6.528    871
       2600.56   6.508    833
       2113.65   5.289     28
    

in DMSO-d6



KBr disc



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