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富马酸二乙酯

产品名称 富马酸二乙酯

CAS号623-91-6

分子式C8H12O4

分子量172.18

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  • Mass

    MS-IW-8024          
    diethyl fumarate
    C8H12O4             (Mass of molecular ion:    172)
    

       Source Temperature: 220 °C
       Sample Temperature: 150 °C
       Reservoir, 75 eV
    

          15.0       1.2
          18.0       2.0
          26.0       9.2
          27.0      14.2
          28.0       8.0
          29.0      21.6
          31.0       2.3
          43.0       3.9
          44.0       1.5
          45.0      10.1
          53.0       6.9
          54.0       9.8
          55.0      17.7
          56.0       1.1
          71.0       8.5
          72.0       2.5
          81.0       7.0
          82.0      11.1
          98.0       3.7
          99.0      62.9
         100.0      11.8
         117.0       5.7
         125.0       3.0
         126.0      30.3
         127.0     100.0
         128.0      10.2
         129.0       1.1
         143.0       4.1
         145.0       3.5
    

parameter in CDCl3


  • 1H NMR 300 MHz
    C8 H12 O4 10.4 mol% in CDCl3
    diethyl fumarate
    ChemicalStructure
        Parameter     ppm  Hz
    D(A) 1.324 D(B) 4.262 J(A,B) 7.12 D(C) 6.842

         Hz     ppm     Int.
    

       2052.58   6.842    665
       1289.30   4.298    161
       1282.23   4.274    494
       1275.10   4.250    502
       1268.03   4.227    169
        404.32   1.348    501
        397.19   1.324   1000
        390.12   1.300    489
    

in CDCl3



CCl4 solution



liquid film



4880 A,200 M,liquid