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2-甲基-2-丙基-1,3-丙二醇

产品名称 2-甲基-2-丙基-1,3-丙二醇

CAS号78-26-2

分子式C7H16O2

分子量132.2

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  • Mass

    MS-NW-4760          
    2-methyl-2-propyl-1,3-propanediol
    C7H16O2             (Mass of molecular ion:    132)
    

       Source Temperature: 250 °C
       Sample Temperature: 180 °C
       Reservoir, 75 eV
    

          15.0       1.6
          18.0       2.5
          19.0       1.8
          26.0       1.2
          27.0      21.9
          28.0       2.7
          29.0      24.1
          30.0       1.3
          31.0      36.2
          38.0       1.0
          39.0      17.0
          40.0       2.9
          41.0      76.0
          42.0      10.7
          43.0      58.1
          44.0       2.0
          45.0      74.5
          46.0       1.8
          51.0       1.2
          53.0       5.6
          54.0       2.1
          55.0     100.0
          56.0      97.6
          57.0      33.0
          58.0       8.2
          59.0      52.7
          60.0       2.0
          67.0       4.2
          68.0       1.6
          69.0      17.5
          70.0       2.4
          71.0      26.3
          72.0       5.2
          73.0       1.2
          81.0       4.2
          82.0       2.5
          83.0      73.2
          84.0      79.7
          85.0       8.9
          96.0       1.0
         100.0       4.2
         101.0      22.1
         102.0       1.6
    

90 MHz in CDCl3


  • 1H NMR 89.56 MHz
    C7 H16 O2 0.046 g : 0.5 ml CDCl3
    2-methyl-2-propyl-1,3-propanediol
    ChemicalStructure
        Assign.     Shift(ppm)
    A 3.52 B 3.14 C 1.40 to 1.14 D 0.93 E 0.830

         Hz     ppm     Int.
    

        314.88   3.516    848
        281.75   3.146    120
        118.38   1.322     82
        117.19   1.309    176
        115.88   1.294    121
        113.56   1.268    357
        111.25   1.243     81
        110.81   1.238     79
        108.94   1.217     64
         87.44   0.977     84
         86.75   0.969     80
         86.00   0.961     76
         83.19   0.929    174
         81.06   0.906     70
         77.81   0.869     72
         74.31   0.830   1000
    

in CDCl3



KBr disc



nujol mull



4880 A,200 M,powder