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2-甲基-1,3-丙二醇

CAS号2163-42-0

分子式C4H10O2

分子量90.12

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  • Mass

    MS-IW-5088          
    2-methyl-1,3-propanediol
    C4H10O2             (Mass of molecular ion:     90)
    

       Source Temperature: 200 °C
       Sample Temperature: 150 °C
       Reservoir, 75 eV
    

          15.0       1.6
          17.0       1.9
          18.0       9.4
          19.0       2.3
          26.0       2.7
          27.0      18.2
          28.0       8.6
          29.0      22.0
          30.0       5.6
          31.0      72.5
          32.0       1.9
          33.0       1.0
          37.0       1.8
          38.0       3.1
          39.0      24.4
          40.0       9.8
          41.0      75.2
          42.0     100.0
          43.0      46.2
          44.0       9.1
          45.0       3.9
          47.0       2.6
          49.0      23.4
          50.0       1.1
          51.0       1.0
          53.0       2.8
          54.0       7.0
          55.0       4.9
          57.0      67.8
          58.0       4.8
          59.0      17.8
          60.0       7.2
          70.0       2.3
          71.0       6.5
          72.0      29.2
          73.0       2.3
    

400 MHz in CDCl3


  • 1H NMR 399.65 MHz
    C4 H10 O2 0.05 ml : 0.5 ml CDCl3
    2-methyl-1,3-propanediol
    ChemicalStructure
        Assign.     Shift(ppm)
    A 4.47 B *1 3.58 C *1 3.55 D 1.858 E 0.869

         Hz     ppm     Int.
    

       1791.75   4.484    200
       1786.62   4.471    449
       1781.49   4.458    233
       1445.31   3.617     64
       1440.19   3.604    124
       1434.57   3.590    236
       1429.32   3.577    345
       1425.42   3.567    285
       1424.32   3.564    291
       1420.78   3.556    242
       1418.70   3.550    240
       1413.82   3.538    246
       1410.16   3.529     99
       1407.96   3.523    100
       1403.08   3.511     82
        754.27   1.888     57
        752.44   1.883     66
        747.31   1.870    111
        745.48   1.866     80
        742.07   1.857     74
        740.36   1.853    117
        738.53   1.848     57
        735.23   1.840     65
        733.40   1.836     66
        728.15   1.822     31
        351.07   0.879    953
        344.12   0.862   1000
    

in CDCl3



liquid film