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网站主页CAS数据库列表 6975-85-5更多图谱4-甲氧基丁-2-酮(6975-85-5)核磁图(1HNMR)

4-甲氧基丁-2-酮

产品名称 4-甲氧基丁-2-酮

CAS号6975-85-5

分子式C5H10O2

分子量102.13

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  • Mass

    MS-IW-3561          
    4-methoxy-2-butanone
    C5H10O2             (Mass of molecular ion:    102)
    

       Source Temperature: 210 °C
       Sample Temperature: 160 °C
       Reservoir, 75 eV
    

          14.0       2.3
          15.0      20.6
          18.0       1.8
          26.0       3.6
          27.0      13.1
          28.0      12.8
          29.0      18.2
          30.0       1.2
          31.0      22.7
          32.0       2.7
          33.0       8.8
          38.0       1.1
          39.0       4.3
          41.0       6.3
          42.0      22.4
          43.0     100.0
          44.0       6.7
          45.0      94.5
          46.0       3.9
          53.0       1.2
          55.0      32.2
          56.0       1.4
          57.0       5.8
          58.0       3.0
          59.0      10.2
          60.0       3.7
          61.0       1.2
          69.0       1.2
          70.0      30.5
          71.0      29.7
          72.0      13.2
          73.0       1.2
          74.0       4.9
          75.0      25.1
          83.0       1.0
          85.0       1.9
          87.0      59.3
          88.0       3.0
         101.0       3.9
         102.0      36.1
         103.0       2.3
    

parameter in CDCl3


  • 1H NMR 300 MHz
    C5 H10 O2 0.05 ml : 0.5 ml CDCl3
    4-methoxy-2-butanone
    ChemicalStructure
        Parameter     ppm  Hz
    D(A) 3.640 D(C) 2.686 D(D) 2.184 J(A,C) 6.0 J(A,D) 0.0 J(C,D) 0.4 D(B) 3.332

         Hz     ppm     Int.
    

       1098.07   3.660    157
       1092.08   3.640    326
       1086.07   3.620    170
        999.60   3.332   1000
        811.74   2.706    116
        805.72   2.686    218
        799.74   2.666    106
        655.21   2.184    737
    

in CDCl3



liquid film