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Diethyl isopropylidenemalonate

Product Name Diethyl isopropylidenemalonate

CAS6802-75-1

MFC10H16O4

MW200.23

More


  • Mass

    MS2014-05073CW      
    diethyl isopropylidenemalonate
    C10H16O4            (Mass of molecular ion:    200)
    

       Source Temperature: 250 °C
       Sample Temperature: 250 °C
       Reservoir, 70 eV
    

          27.0       8.7
          28.0      13.1
          29.0      16.9
          31.0       1.2
          32.0       3.3
          39.0       6.9
          41.0       3.9
          43.0       4.5
          45.0       1.3
          51.0       1.4
          53.0       5.1
          54.0       2.5
          55.0       4.5
          59.0       4.1
          66.0       1.6
          67.0      21.9
          68.0       1.4
          69.0       5.9
          70.0       2.5
          82.0      16.0
          83.0       6.4
          85.0       1.9
          87.0       3.6
          97.0       2.8
          98.0      15.7
          99.0     100.0
         100.0       7.3
         108.0       1.5
         109.0      36.9
         110.0       2.6
         111.0       1.7
         125.0       4.0
         126.0       6.5
         127.0      16.8
         128.0       1.3
         154.0      68.0
         155.0      84.6
         156.0       7.5
         157.0       1.0
         200.0       3.7
    

in CDCl3

parameter in CDCl3




  • 1H NMR 300 MHz
    C10 H16 O4 0.05 ml : 0.5 ml CDCl3
    diethyl isopropylidenemalonate
    ChemicalStructure
        Parameter     ppm  Hz
    D(A) 4.239 D(B) 1.294 J(A,B) 7.76 D(C) 2.069

         Hz     ppm     Int.
    

       1283.40   4.278     81
       1275.64   4.252    244
       1267.87   4.226    248
       1260.13   4.200     84
        620.69   2.069   1000
        395.93   1.320    253
        388.19   1.294    498
        380.42   1.268    243
    

in CDCl3



liquid film



4880 A,200 M,liquid