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(S)-2-甲基-1,4-丁二醇

产品名称 (S)-2-甲基-1,4-丁二醇

CAS号70423-38-0

分子式C5H12O2

分子量104.15


  • Mass

    MS-IW-9082          
    (S)-(-)-2-methyl-1,4-butanediol
    C5H12O2             (Mass of molecular ion:    104)
    

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

          15.0       1.1
          18.0       4.0
          19.0       1.6
          27.0      10.9
          28.0      45.4
          29.0      16.7
          30.0       1.3
          31.0      32.0
          32.0      10.2
          33.0       2.4
          39.0       9.2
          40.0       3.0
          41.0      44.9
          42.0       5.9
          43.0      23.6
          44.0      10.8
          45.0       6.1
          53.0       2.8
          54.0       1.2
          55.0      32.2
          56.0     100.0
          57.0      16.9
          58.0      20.5
          59.0       1.3
          67.0       1.9
          68.0       2.0
          69.0       2.1
          71.0      18.9
          72.0       1.1
          74.0       1.4
          85.0       2.4
          86.0       7.8
          87.0       1.2
    

400 MHz in CDCl3


  • 1H NMR 399.65 MHz
    C5 H12 O2 0.05 ml : 0.5 ml CDCl3
    (S)-(-)-2-methyl-1,4-butanediol
    ChemicalStructure
        Assign.     Shift(ppm)
    A 4.70 B *1 3.701 C *1 3.599 D *2 3.479 E *2 3.376 F 1.761 G *3 1.615 J *3 1.482 K 0.910

         Hz     ppm     Int.
    

       1880.37   4.706    223
       1491.70   3.733     45
       1485.96   3.719     90
       1480.71   3.706    109
       1475.22   3.692    136
       1469.48   3.677     72
       1449.22   3.627     73
       1443.97   3.614     89
       1441.28   3.607     89
       1438.35   3.600     72
       1436.16   3.594     89
       1433.35   3.587     64
       1430.54   3.580     56
       1425.29   3.567     49
       1400.15   3.504     80
       1395.26   3.492     85
       1389.53   3.477    127
       1384.52   3.465    124
       1356.93   3.396    138
       1349.85   3.378    139
       1346.44   3.370     96
       1339.11   3.351     86
        714.48   1.788     65
        707.76   1.771     96
        702.51   1.758     98
        701.17   1.755     89
        695.92   1.742     76
        689.21   1.725     35
        664.18   1.662     45
        658.45   1.648     56
        657.59   1.646     51
        656.25   1.643     56
        651.73   1.631     55
        650.02   1.627    110
        644.17   1.612    110
        642.09   1.607     89
        637.70   1.596     76
        636.35   1.593     86
        635.50   1.591     80
        629.76   1.576     55
        606.32   1.518     62
        600.59   1.503    133
        595.09   1.490    136
        592.29   1.483     55
        589.11   1.475     68
        586.43   1.468     89
        580.93   1.454     84
        575.07   1.439     37
        367.31   0.920   1000
        360.35   0.902    958
    

in CDCl3



liquid film