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网站主页CAS数据库列表 528-21-2更多图谱2,3,4-三羟基苯乙酮(528-21-2)质谱(MS)

2,3,4-三羟基苯乙酮

产品名称 2,3,4-三羟基苯乙酮

CAS号528-21-2

分子式C8H8O4

分子量168.15

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  • Mass

    MS-NW-9387          
    2',3',4'-trihydroxyacetophenone
    C8H8O4              (Mass of molecular ion:    168)
    

       Source Temperature: 150 °C
       Sample Temperature: 120 °C
       Direct, 75 eV
    

          15.0       1.3
          18.0       1.1
          27.0       1.3
          28.0       1.8
          29.0       1.6
          38.0       1.7
          39.0       5.9
          40.0       1.1
          41.0       1.2
          42.0       1.1
          43.0      10.9
          50.0       1.8
          51.0       5.8
          52.0       1.3
          53.0       4.1
          55.0       1.9
          65.0       2.5
          66.0       1.8
          67.0       1.0
          68.0       1.4
          69.0       1.4
          76.5       1.4
          77.0       1.1
          79.0       9.4
          80.0       1.0
          84.0       1.0
          93.0       3.0
          97.0       1.8
         106.0       1.2
         107.0       5.3
         121.0       1.1
         124.0       1.5
         125.0       5.9
         139.0       2.2
         150.0       4.2
         152.0       1.5
         153.0     100.0
         154.0       7.8
         155.0       1.1
         168.0      49.9
         169.0       5.6
    

400 MHz in DMSO-d6


  • 1H NMR 399.65 MHz
    C8 H8 O4 0.038 g : 0.5 ml DMSO-d6
    2',3',4'-trihydroxyacetophenone
    ChemicalStructure
        Assign.     Shift(ppm)
    A *1 12.63 B *1 10. C *1 9. D 7.313 E 6.421 F 2.529 J(D,E)=9.2HZ

         Hz     ppm     Int.
    

       5046.97  12.629     32
       2927.55   7.326    193
       2918.57   7.303    201
       2570.56   6.433    220
       2561.77   6.411    214
       1010.90   2.530   1000
    

in DMSO-d6



KBr disc



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