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网站主页CAS数据库列表 89-56-5更多图谱5-甲基水杨酸(89-56-5)核磁图(13CNMR)

5-甲基水杨酸

产品名称 5-甲基水杨酸

CAS号89-56-5

分子式C8H8O3

分子量152.15

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  • Mass

    MS-IW-4935          
    5-methylsalicylic acid
    C8H8O3              (Mass of molecular ion:    152)
    

       Source Temperature: 210 °C
       Sample Temperature: 150 °C
       Reservoir, 75 eV
    

          18.0       2.0
          27.0       3.1
          38.0       1.7
          39.0       6.0
          43.0       1.5
          44.0       1.1
          45.0       1.4
          50.0       4.6
          51.0      11.3
          52.0       7.1
          52.5       1.0
          53.0       6.9
          55.0       1.3
          62.0       1.5
          63.0       3.0
          67.0       2.3
          74.0       1.1
          76.0       2.0
          77.0      16.7
          78.0      27.7
          79.0       3.6
         105.0      23.1
         106.0      27.1
         107.0       6.4
         108.0       2.4
         133.0       3.9
         134.0     100.0
         135.0      11.3
         136.0       1.0
         149.0       2.9
         152.0      41.8
         153.0       3.8
         208.0       2.0
    

400 MHz in DMSO-d6


  • 1H NMR 399.65 MHz
    C8 H8 O3 0.038 g : 0.5 ml DMSO-d6
    5-methylsalicylic acid
    ChemicalStructure
        Assign.     Shift(ppm)
    A *1 14. B *1 11. C 7.615 D 7.329 E 6.870 F 2.252

         Hz     ppm     Int.
    

       3044.19   7.618    170
       3042.72   7.614    168
       3042.24   7.613    171
       2934.81   7.344    102
       2934.33   7.343     96
       2932.37   7.338     98
       2931.88   7.337     88
       2926.27   7.323    112
       2925.78   7.321    108
       2924.07   7.317    104
       2749.76   6.881    254
       2741.21   6.860    236
        900.15   2.253   1000
    

in DMSO-d6



KBr disc



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