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网站主页CAS数据库列表 57-71-6更多图谱2,3-丁烷二酮一肟(57-71-6)核磁图(1HNMR)

2,3-丁烷二酮一肟

产品名称 2,3-丁烷二酮一肟

CAS号57-71-6

分子式C4H7NO2

分子量101.1

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  • Mass

    MS-IW-1464          
    biacetyl monooxime
    C4H7NO2             (Mass of molecular ion:    101)
    

       Source Temperature: 260 °C
       Sample Temperature: 150 °C
       Reservoir, 75 eV
    

          14.0       2.4
          15.0      11.3
          18.0       1.3
          26.0       1.8
          27.0       2.9
          28.0       5.0
          29.0       1.3
          30.0       1.2
          31.0       3.6
          38.0       1.9
          39.0       3.4
          40.0       8.7
          41.0      15.0
          42.0      25.0
          43.0     100.0
          44.0       5.0
          45.0       1.4
          55.0       1.0
          58.0      10.3
          60.0       1.6
          84.0       1.3
          86.0       1.2
         101.0      31.4
         102.0       3.0
    

90 MHz in CDCl3


  • 1H NMR 89.56 MHz
    C4 H7 N O2 0.036 g : 0.5 ml CDCl3
    biacetyl monooxime
    ChemicalStructure
        Assign.     Shift(ppm)
    A 9.23 to 9.14 B 2.402 C 2.002

         Hz     ppm     Int.
    

        821.75   9.176     66
        215.19   2.403   1000
        212.06   2.368     26
        182.56   2.039     38
        179.38   2.003    993
        176.38   1.970     22
        176.06   1.966     23
    

in CDCl3



KBr disc



nujol mull



4880 A,200 M,powder