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二甲氧基乙烷

CAS号534-15-6

分子式C4H10O2

分子量90.12

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  • Mass

    MS-NW-4369          
    acetaldehyde dimethyl acetal
    C4H10O2             (Mass of molecular ion:     90)
    

       Source Temperature: 230 °C
       Sample Temperature: 170 °C
       Reservoir, 75 eV
    

          14.0       1.1
          15.0       8.1
          18.0       1.2
          26.0       1.4
          27.0       4.2
          28.0       2.7
          29.0      15.8
          30.0       1.1
          31.0      22.2
          32.0       1.3
          33.0       1.2
          41.0       1.3
          42.0       2.0
          43.0      19.7
          44.0       1.0
          45.0       1.9
          47.0       9.0
          58.0       3.8
          59.0     100.0
          60.0       3.6
          75.0      34.7
          76.0       1.3
          89.0       2.0
    

90 MHz in CDCl3


  • 1H NMR 89.56 MHz
    C4 H10 O2 0.06 ml : 0.5 ml CDCl3
    acetaldehyde dimethyl acetal
    ChemicalStructure
        Assign.     Shift(ppm)
    A 4.568 B 3.309 C 1.281 J(A,C)=5.3HZ.

         Hz     ppm     Int.
    

        411.94   4.600     49
        406.63   4.541     51
        296.38   3.310   1000
        117.31   1.310    326
        112.00   1.251    314
    

in CDCl3



liquid film



4880 A,200 M,liquid