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网站主页CAS数据库列表 98-01-1更多图谱糠醛(98-01-1)核磁图(1HNMR)

糠醛

产品名称 糠醛

CAS号98-01-1

分子式C5H4O2

分子量96.08

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  • Mass

    MS-NW-5533          
    2-furaldehyde
    C5H4O2              (Mass of molecular ion:     96)
    

       Source Temperature: 250 °C
       Sample Temperature: 190 °C
       Reservoir, 75 eV
    

          14.0       1.2
          25.0       1.0
          26.0       1.7
          28.0       3.9
          29.0      14.3
          36.0       1.4
          37.0       8.5
          38.0      14.3
          39.0      56.2
          40.0       5.9
          41.0       1.4
          42.0       4.7
          49.0       1.3
          50.0       2.3
          51.0       2.5
          53.0       1.6
          66.0       1.0
          67.0       5.8
          68.0       1.5
          95.0      88.6
          96.0     100.0
          97.0       6.0
    

parameter in CDCl3

90 MHz in CDCl3

parameter in cyclohexane


  • 1H NMR 300 MHz
    C5 H4 O2 0.05 ml : 0.5 ml CDCl3
    2-furaldehyde
    ChemicalStructure
        Parameter     ppm  Hz
    D(A) 7.73 D(B) 6.63 D(C) 7.30 D(D) 9.66 J(A,B) 1.6 J(A,C) 0.7 J(A,D) 0.6 J(B,C) 3.6 J(B,D) 0.0 J(C,D) 0.0

         Hz     ppm     Int.
    

       2898.24   9.661    999
       2897.79   9.659   1000
       2319.81   7.733    519
       2319.01   7.730    489
       2318.24   7.727    530
       2192.13   7.307    477
       2191.53   7.305    477
       2188.55   7.295    491
       2187.92   7.293    485
       1991.58   6.639    419
       1990.02   6.633    426
       1987.97   6.627    415
       1986.41   6.621    401
    


  • 1H NMR 89.56 MHz
    C5 H4 O2 0.05 ml : 0.5 ml CDCl3
    2-furaldehyde
    ChemicalStructure
        Assign.     Shift(ppm)
    A 9.666 B 7.734 C 7.299 D 6.632 J(C,D)=3.6HZ, J(B,D)=1.7HZ, J(B,C)=0.6HZ

         Hz     ppm     Int.
    

        865.75   9.667   1000
        858.81   9.590     24
        693.13   7.740    628
        692.31   7.731    618
        691.50   7.722    565
        686.56   7.666     32
        686.25   7.663     32
        684.31   7.641     23
        661.69   7.389     31
        655.94   7.325    516
        655.31   7.317    487
        652.31   7.284    556
        647.94   7.235     34
        596.56   6.662    443
        594.88   6.643    440
        593.00   6.622    409
        591.31   6.603    366
    


  • 1H NMR 300 MHz
    C5 H4 O2 5 % in cyclohexane
    2-furaldehyde
    ChemicalStructure
        Parameter     ppm  Hz
    D(A) 7.49 D(B) 6.42 D(C) 7.03 D(D) 9.63 J(A,B) 1.70 J(A,C) 0.80 J(A,D) 0.45 J(B,C) 3.55 J(B,D) 0.45 J(C,D) 0.0 GRONOWITZ,S. ET AL. ARK.KEMI 19, 483 (1962)

         Hz     ppm     Int.
    

       2888.99   9.630   1000
       2247.73   7.492    426
       2247.25   7.491    417
       2246.77   7.489    418
       2246.29   7.488    428
       2111.20   7.037    419
       2110.42   7.035    420
       2107.63   7.025    443
       2106.91   7.023    436
       1928.51   6.428    293
       1927.01   6.423    301
       1924.97   6.417    294
       1923.50   6.412    281
    

in CDCl3



CCl4 solution



liquid film