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网站主页CAS数据库列表 499-06-9更多图谱3,5-二甲基苯甲酸(499-06-9)质谱(MS)

3,5-二甲基苯甲酸

产品名称 3,5-二甲基苯甲酸

CAS号499-06-9

分子式C9H10O2

分子量150.17

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  • Mass

    MS-NW-2320          
    3,5-dimethylbenzoic acid
    C9H10O2             (Mass of molecular ion:    150)
    

       Source Temperature: 300 °C
       Sample Temperature: 170 °C
       Reservoir, 75 eV
    

          14.0       2.2
          18.0       4.8
          27.0       6.3
          28.0       7.2
          38.0       2.0
          39.0      11.8
          40.0       1.3
          41.0       2.1
          43.0       1.7
          45.0       2.1
          50.0       3.9
          51.0      11.0
          52.0       3.1
          53.0       4.5
          62.0       2.8
          63.0       6.7
          64.0       1.6
          65.0       5.3
          66.0       2.1
          74.0       2.3
          75.0       1.6
          76.0       1.2
          77.0      23.1
          78.0       8.0
          79.0      14.5
          80.0       1.1
          89.0       2.3
          91.0      34.4
          92.0       2.8
         102.0       1.7
         103.0      11.5
         104.0      11.5
         105.0      99.9
         106.0      12.0
         107.0       2.8
         121.0       1.4
         132.0       5.3
         133.0      36.0
         134.0       3.8
         135.0      10.0
         136.0       1.0
         149.0       7.0
         150.0     100.0
         151.0      10.0
    

90 MHz in CDCl3


  • 1H NMR 89.56 MHz
    C9 H10 O2 0.045 g : 0.5 ml CDCl3
    3,5-dimethylbenzoic acid
    ChemicalStructure
        Assign.     Shift(ppm)
    A 12.61 B 7.73 C 7.22 D 2.37

         Hz     ppm     Int.
    

       1129.30  12.610     24
        693.33   7.742    169
        692.65   7.734    181
        692.22   7.730    188
        691.63   7.723    193
        647.45   7.230     81
        646.77   7.222     92
        646.08   7.214     79
        212.17   2.370    970
        211.57   2.363   1000
    

in CDCl3



CCl4 solution



KBr disc



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