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网站主页CAS数据库列表 2459-05-4更多图谱富马酸单乙酯(2459-05-4)核磁图(1HNMR)

富马酸单乙酯

产品名称 富马酸单乙酯

CAS号2459-05-4

分子式C6H8O4

分子量144.13

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  • Mass

    MS-IW-0566          
    ethyl hydrogen fumarate
    C6H8O4              (Mass of molecular ion:    144)
    

       Source Temperature: 260 °C
       Sample Temperature: 130 °C
       Reservoir, 75 eV
    

          15.0       1.2
          26.0       5.7
          27.0      16.0
          28.0       4.6
          29.0      12.7
          31.0       1.0
          43.0       3.8
          44.0       1.2
          45.0      11.7
          53.0       7.6
          54.0       5.8
          55.0       6.5
          71.0       5.5
          72.0       3.8
          81.0      12.3
          82.0      14.0
          98.0       5.6
          99.0     100.0
         100.0      13.2
         101.0       1.1
         117.0       9.0
         126.0       8.9
         127.0       2.6
    

400 MHz in CDCl3


  • 1H NMR 399.65 MHz
    C6 H8 O4 0.035 g : 0.5 ml CDCl3
    ethyl hydrogen fumarate
    ChemicalStructure
        Assign.     Shift(ppm)
    A 11.1 B 6.947 C 6.867 D 4.289 E 1.338

         Hz     ppm     Int.
    

       2787.48   6.975    264
       2771.76   6.936    615
       2749.18   6.879    614
       2733.46   6.840    272
       1725.16   4.317    142
       1717.99   4.299    442
       1710.82   4.281    453
       1703.64   4.263    153
        541.99   1.357    498
        534.82   1.339   1000
        527.65   1.321    490
    

in CDCl3



KBr disc



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