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网站主页CAS数据库列表 21285-46-1更多图谱反式-2,3-二溴-2-丁烯-1,4-二醇(21285-46-1)质谱(MS)

反式-2,3-二溴-2-丁烯-1,4-二醇

产品名称 反式-2,3-二溴-2-丁烯-1,4-二醇

CAS号21285-46-1

分子式C4H6Br2O2

分子量245.9

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  • Mass

    MS-IW-0855          
    trans-2,3-dibromo-2-butene-1,4-diol
    C4H6Br2O2           (Mass of molecular ion:    244)
    

       Source Temperature: 110 °C
       Sample Temperature:  90 °C
       Direct, 75 eV
    

          15.0       2.3
          17.0       2.1
          18.0      11.3
          19.0       1.8
          25.0       1.5
          26.0       9.7
          27.0      29.6
          28.0       6.5
          29.0     100.0
          30.0       4.2
          31.0      63.1
          37.0       5.6
          38.0      16.4
          39.0      86.5
          40.0      10.8
          41.0       8.4
          42.0       5.7
          43.0       7.3
          45.0       1.1
          47.0       2.3
          49.0       1.0
          50.0       4.7
          51.0       5.6
          52.0       1.7
          53.0       7.2
          54.0       2.4
          55.0      31.5
          56.0       4.3
          57.0      94.5
          58.0       4.4
          66.0       2.3
          67.0       4.7
          68.0      24.0
          69.0       4.4
          79.0       1.8
          80.0       4.3
          81.0       2.6
          82.0       4.4
          83.0       1.7
          84.0       1.8
          85.0      96.2
          86.0      40.2
          87.0       2.1
          93.0       3.8
          95.0       3.4
         104.0       2.4
         105.0      10.1
         106.0       3.0
         107.0      13.4
         109.0       5.5
         111.0       1.7
         117.0      11.7
         118.0       6.8
         119.0      71.7
         120.0       7.9
         121.0      60.8
         122.0       2.7
         123.0       2.0
         131.0       1.3
         133.0       4.4
         135.0       9.1
         137.0       6.0
         146.0       1.6
         147.0      53.3
         148.0       4.1
         149.0      52.1
         150.0       2.4
         165.0       9.5
         167.0       9.1
         183.0       1.2
         185.0       2.8
         187.0       2.0
         197.0       1.3
         198.0       1.5
         199.0       2.8
         200.0       1.8
         201.0       2.1
         213.0       1.2
         215.0       2.1
         217.0       1.0
         226.0       2.9
         228.0       5.7
         230.0       2.7
         244.0      38.4
         245.0       1.8
         246.0      75.0
         247.0       3.4
         248.0      36.8
         249.0       1.6
    

400 MHz in DMSO-d6


  • 1H NMR 399.65 MHz
    C4 H6 Br2 O2 0.034 g : 0.5 ml DMSO-d6
    trans-2,3-dibromo-2-butene-1,4-diol
    ChemicalStructure
        Assign.     Shift(ppm)
    A 5.54 B 4.322

         Hz     ppm     Int.
    

       2222.17   5.561    244
       2215.94   5.545    539
       2209.84   5.530    259
       1730.59   4.331   1000
       1724.37   4.315    984
       1717.04   4.297     34
       1710.69   4.281     21
    

in DMSO-d6



KBr disc



nujol mull