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42075-32-1

(2R,4R)-(-)-PENTANEDIOL

Product Name (2R,4R)-(-)-PENTANEDIOL

CAS42075-32-1

MFC5H12O2

MW104.15

More

  • 42075-32-1_ms
    Mass

    MS-NW-6521          
    (2R,4R)-(-)-2,4-pentanediol
    C5H12O2             (Mass of molecular ion:    104)
    

       Source Temperature: 240 °C
       Sample Temperature: 190 °C
       Reservoir, 75 eV
    

          15.0       3.4
          18.0       4.7
          19.0       4.1
          27.0       6.9
          28.0       1.2
          29.0       4.4
          31.0       3.2
          39.0       5.0
          40.0       2.6
          41.0      13.1
          42.0      46.2
          43.0      22.1
          44.0       4.1
          45.0     100.0
          46.0       2.5
          47.0       1.1
          53.0       1.1
          58.0       1.8
          59.0       1.5
          63.0       4.0
          67.0       1.3
          71.0      16.1
          86.0       1.8
          89.0       3.7
    

90 MHz in CDCl3

  • 42075-32-1_1hnmr

    1H NMR 89.56 MHz
    C5 H12 O2 0.040 g : 0.5 ml CDCl3
    (2r,4r)-(-)-2,4-pentanediol
    ChemicalStructure
        Assign.     Shift(ppm)
    A 4.131 B 3.52 C 1.577 D 1.224 J(A,D)=6.3HZ.

         Hz     ppm     Int.
    

        378.94   4.232     49
        373.69   4.173     67
        372.69   4.162     80
        367.44   4.103     86
        366.56   4.093     67
        361.25   4.034     55
        314.88   3.516    680
        146.88   1.641    174
        141.63   1.582    157
        140.75   1.572    166
        135.50   1.513    156
        112.69   1.259   1000
        108.50   1.212     29
        106.44   1.189    952
    

in CDCl3

  • 42075-32-1_13cnmr

KBr disc

  • 42075-32-1_ir1

4880 A,200 M,liquid

  • 42075-32-1_raman