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硼酸三亚甲酯

产品名称 硼酸三亚甲酯

CAS号20905-35-5

分子式C9H18B2O6

分子量243.86

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  • Mass

    MS-NW-5577          
    2,2'-(trimethylenedioxy)bis(1,3,2-dioxaborinane)
    C9H18B2O6           (Mass of molecular ion:    244)
    

       Source Temperature: 270 °C
       Sample Temperature: 190 °C
       Reservoir, 75 eV
    

          26.0       1.6
          27.0       5.6
          28.0      13.2
          29.0       4.1
          31.0       5.9
          39.0       5.0
          40.0       1.6
          41.0      46.5
          42.0       6.0
          43.0       1.8
          44.0       4.5
          45.0      15.8
          54.0       1.7
          55.0       2.2
          56.0       2.5
          57.0       9.1
          58.0       5.8
          59.0       5.7
          67.0       1.7
          68.0       1.2
          69.0       1.7
          70.0       2.3
          71.0       5.8
          72.0       3.8
          74.0       1.3
          75.0       4.5
          83.0       5.3
          84.0      10.8
          85.0      18.8
          86.0       3.6
          87.0       8.7
          88.0       2.9
          89.0       5.1
          97.0       1.3
          98.0       3.9
          99.0      11.4
         100.0       5.0
         101.0      10.9
         102.0       3.6
         103.0       9.0
         112.0       3.6
         113.0      13.2
         114.0      13.1
         115.0      40.4
         116.0       2.1
         126.0       1.5
         127.0       5.3
         128.0       9.5
         129.0      15.0
         130.0       3.0
         140.0       2.7
         141.0      33.5
         142.0     100.0
         143.0       9.4
         144.0       1.0
         154.0       1.3
         155.0       3.3
         156.0       1.9
         157.0       1.0
         158.0       3.0
         159.0       5.6
         168.0       1.1
         184.0       1.5
         185.0       4.0
         186.0       8.5
         187.0      13.4
         188.0       1.1
    

400 MHz in CDCl3

90 MHz in CDCl3


  • 1H NMR 399.65 MHz
    C9 H18 B2 O6 0.05 ml : 0.5 ml CDCl3
    2,2'-(trimethylenedioxy)bis(1,3,2-dioxaborinane)
    ChemicalStructure
        Assign.     Shift(ppm)
    A 4.024 B 3.839 C 1.906 D 1.772

         Hz     ppm     Int.
    

       1613.40   4.038    809
       1607.91   4.024   1000
       1602.42   4.010    711
       1546.14   3.869     49
       1540.77   3.856    345
       1534.42   3.840    615
       1528.08   3.824    321
        780.03   1.952     31
        778.20   1.948     32
        772.09   1.932    153
        766.60   1.919    336
        761.23   1.905    429
        755.62   1.891    287
        750.24   1.878    114
        720.70   1.804     65
        718.38   1.798     36
        714.36   1.788    184
        708.01   1.772    250
        701.54   1.756    166
        695.19   1.740     46
    


  • 1H NMR 89.56 MHz
    C9 H18 B2 O6 0.04 ml : 0.5 ml CDCl3
    2,2'-(trimethylenedioxy)bis(1,3,2-dioxaborinane)
    ChemicalStructure
        Assign.     Shift(ppm)
    A 4.016 B 3.844 C 1.89 D 1.78

         Hz     ppm     Int.
    

        365.44   4.081    675
        360.00   4.020   1000
        354.44   3.958    785
        350.75   3.917    331
        344.31   3.845    667
        337.94   3.774    334
        180.44   2.015    102
        179.00   1.999     38
        174.94   1.954    272
        171.44   1.915    170
        170.69   1.906    195
        169.50   1.893    397
        165.56   1.849    267
        164.75   1.840    241
        163.88   1.830    250
        159.25   1.779    281
        155.44   1.736     31
        152.88   1.708    147
        146.50   1.636     35
    

in CDCl3



liquid film



4880 A,200 M,liquid