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1,1-二甲氧基丙烷

产品名称 1,1-二甲氧基丙烷

CAS号4744-10-9

分子式C5H12O2

分子量104.15

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  • Mass

    MS-NW-1076          
    propionaldehyde dimethyl acetal
    C5H12O2             (Mass of molecular ion:    104)
    

       Source Temperature: 240 °C
       Sample Temperature: 170 °C
       Reservoir, 75 eV
    

          14.0       1.6
          15.0       7.5
          26.0       2.1
          27.0      10.8
          28.0      10.1
          29.0      14.3
          30.0       1.2
          31.0      19.2
          32.0       1.4
          33.0       1.0
          39.0       5.4
          40.0       1.0
          41.0      31.7
          42.0       4.6
          43.0       4.5
          45.0      31.9
          47.0      16.4
          55.0       1.0
          57.0       7.2
          58.0       3.3
          59.0       1.7
          71.0       7.0
          72.0      10.7
          73.0      80.5
          74.0       3.8
          75.0     100.0
          76.0       3.5
         103.0       1.5
    

90 MHz in CDCl3


  • 1H NMR 89.56 MHz
    C5 H12 O2 0.04 ml : 0.5 ml CDCl3
    propionaldehyde dimethyl acetal
    ChemicalStructure
        Assign.     Shift(ppm)
    A 4.290 B 3.318 C 1.620 D 0.912

         Hz     ppm     Int.
    

        390.00   4.355     24
        384.38   4.292     48
        378.56   4.227     25
        297.31   3.320   1000
        151.88   1.696     30
        151.50   1.692     28
        146.25   1.633     28
        145.63   1.627     39
        144.38   1.613     37
        144.00   1.608     35
        138.56   1.548     38
         89.00   0.994     34
         88.31   0.987     66
         87.69   0.980     43
         81.25   0.908    117
         80.63   0.901     74
         74.25   0.830     21
         73.56   0.822     39
         72.50   0.810     25
    

in CDCl3



liquid film



4880 A,200 M,liquid