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网站主页CAS数据库列表 294-93-9更多图谱12-冠醚-4(294-93-9)红外图谱(IR1)

12-冠醚-4

产品名称 12-冠醚-4

CAS号294-93-9

分子式C8H16O4

分子量176.21

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  • Mass

    MS-NW-5833          
    12-crown-4
    C8H16O4             (Mass of molecular ion:    176)
    

       Source Temperature: 260 °C
       Sample Temperature: 190 °C
       Reservoir, 75 eV
    

          15.0       8.5
          18.0       1.3
          19.0       2.1
          26.0       1.9
          27.0       9.2
          28.0      26.0
          29.0      10.1
          30.0       2.7
          31.0      10.7
          41.0       3.1
          42.0       9.6
          43.0      38.0
          44.0      34.3
          45.0     100.0
          46.0       2.6
          56.0       1.4
          57.0       8.1
          58.0      14.9
          59.0      11.8
          60.0       1.1
          61.0       2.5
          70.0       4.8
          71.0       4.2
          72.0       8.8
          73.0      16.6
          74.0       2.5
          75.0       5.4
          86.0       3.5
          87.0      14.1
          88.0      10.3
          89.0      26.4
          90.0       1.4
         101.0       5.3
         102.0       2.4
         103.0       1.6
         104.0       1.0
         117.0       1.3
         133.0       4.2
    

parameter in CDCl3


  • 1H NMR 300 MHz
    C8 H16 O4 0.04 ml : 0.5 ml CDCl3
    12-crown-4
    ChemicalStructure
        Parameter     ppm  Hz
    D(A) 3.703

         Hz     ppm     Int.
    

       1110.90   3.703   1000
    

in CDCl3



liquid film



4880 A,200 M,liquid