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网站主页CAS数据库列表 1004-36-0更多图谱2,6-二甲基-4-吡喃酮(1004-36-0)红外图谱(IR1)

2,6-二甲基-4-吡喃酮

产品名称 2,6-二甲基-4-吡喃酮

CAS号1004-36-0

分子式C7H8O2

分子量124.14

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  • Mass

    MS-NW-1676          
    2,6-dimethyl-4-pyrone
    C7H8O2              (Mass of molecular ion:    124)
    

       Source Temperature: 240 °C
       Sample Temperature: 180 °C
       Reservoir, 75 eV
    

          15.0       6.3
          18.0       1.2
          26.0       2.9
          27.0       6.9
          28.0       4.9
          29.0       1.3
          37.0       2.1
          38.0       5.0
          39.0      14.5
          40.0       2.8
          41.0       4.2
          42.0       8.0
          43.0     100.0
          44.0       2.4
          50.0       2.2
          51.0       2.6
          52.0       1.1
          53.0       8.6
          54.0       1.1
          55.0       1.2
          56.0       4.0
          67.0       2.9
          68.0       1.4
          69.0      51.6
          70.0       1.7
          81.0      20.4
          82.0       1.6
          84.0       6.9
          85.0       3.2
          95.0      27.1
          96.0      21.2
          97.0       1.4
         109.0       1.5
         124.0      94.6
         125.0       7.8
    

90 MHz in CDCl3

parameter in CDCl3


  • 1H NMR 89.56 MHz
    C7 H8 O2 0.046 g : 0.5 ml CDCl3
    2,6-dimethyl-4-pyrone
    ChemicalStructure
        Assign.     Shift(ppm)
    A 6.043 B 2.247

         Hz     ppm     Int.
    

        541.25   6.044    263
        201.44   2.250   1000
    


  • 1H NMR 300 MHz
    C7 H8 O2 in CDCl3
    2,6-dimethyl-4-pyrone
    ChemicalStructure
        Parameter     ppm  Hz
    D(A) 6.04 D(B) 2.25 J(A,B) 0.35 MATHIS,C.T. & GOLDSTEIN,J.H. SPECTROCHIM.ACTA 20, 871 (1964)

         Hz     ppm     Int.
    

       1811.99   6.040    284
        675.03   2.250   1000
    

in CDCl3



KBr disc



nujol mull



4880 A,200 M,powder