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网站主页CAS数据库列表 497-26-7更多图谱2-甲基-1,3-二氧戊环(497-26-7)核磁图(1HNMR)

2-甲基-1,3-二氧戊环

产品名称 2-甲基-1,3-二氧戊环

CAS号497-26-7

分子式C4H8O2

分子量88.11

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  • Mass

    MS-IW-5643          
    2-methyl-1,3-dioxolane
    C4H8O2              (Mass of molecular ion:     88)
    

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

          14.0       2.0
          15.0       9.7
          18.0       1.6
          19.0       3.2
          26.0       5.9
          27.0       9.2
          28.0      14.6
          29.0      21.6
          30.0       1.2
          31.0       6.0
          41.0       1.4
          42.0       5.3
          43.0      60.3
          44.0      15.2
          45.0      51.2
          46.0       1.2
          57.0       1.2
          58.0      24.3
          59.0       1.7
          73.0     100.0
          74.0       4.1
          87.0      12.4
    

90 MHz in CDCl3


  • 1H NMR 89.56 MHz
    C4 H8 O2 0.02 ml : 0.5 ml CDCl3
    2-methyl-1,3-dioxolane
    ChemicalStructure
        Assign.     Shift(ppm)
    A 4.978 B *1 3.966 C *1 3.857 D 1.371

         Hz     ppm     Int.
    

        453.13   5.060     71
        448.31   5.006    216
        443.50   4.952    223
        438.69   4.899     76
        366.38   4.091     45
        359.31   4.012    130
        357.31   3.990    147
        355.63   3.971    183
        353.94   3.952    204
        352.69   3.939    456
        348.00   3.886    452
        346.69   3.872    218
        345.00   3.853    193
        343.38   3.835    148
        341.31   3.811    137
        334.31   3.733     46
        125.13   1.398   1000
        122.94   1.373     37
        121.75   1.360     36
        120.31   1.344    970
    

in CDCl3



liquid film





UV IRRAD. IN DTBPO/ISOPENTANE, -107C

UV IRRAD. IN DTBPO/ISOPENTANE, -48C