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1-甲基环丙烷-1-羧酸

产品名称 1-甲基环丙烷-1-羧酸

CAS号6914-76-7

分子式C5H8O2

分子量100.12

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  • Mass

    MS-NW-8562          
    1-methylcyclopropanecarboxylic acid
    C5H8O2              (Mass of molecular ion:    100)
    

       Source Temperature: 260 °C
       Sample Temperature: 140 °C
       Reservoir, 75 eV
    

          15.0       2.1
          26.0       7.6
          27.0      35.8
          28.0      16.0
          29.0      46.9
          30.0       1.3
          31.0       1.7
          37.0       2.0
          38.0       3.7
          39.0      37.0
          40.0       4.1
          41.0      28.7
          42.0       3.7
          43.0      12.0
          44.0       1.6
          45.0      16.7
          49.0       1.0
          50.0       4.9
          51.0       5.5
          52.0       1.9
          53.0      19.9
          54.0      20.6
          55.0     100.0
          56.0      22.5
          57.0       7.1
          58.0       3.7
          59.0       3.3
          60.0       1.4
          69.0       3.3
          71.0       2.9
          72.0       4.3
          73.0       2.9
          74.0       2.5
          81.0       1.9
          82.0      13.1
          83.0       4.4
          85.0      28.8
          86.0       1.4
          99.0      27.9
         100.0      24.5
         101.0       1.8
    

400 MHz in CDCl3


  • 1H NMR 399.65 MHz
    C5 H8 O2 0.05 ml : 0.5 ml CDCl3
    1-methylcyclopropanecarboxylic acid
    ChemicalStructure
        Assign.     Shift(ppm)
    A 12.2 B 1.29 C 1.282 D 0.742

         Hz     ppm     Int.
    

       4891.82  12.241     50
        520.93   1.304    212
        520.19   1.302    192
        519.64   1.301    151
        519.09   1.299    173
        517.08   1.294    507
        516.71   1.293    512
        513.60   1.286    714
        512.32   1.282   1000
        501.88   1.256     32
        500.41   1.253     39
        302.41   0.757    203
        301.68   0.755    186
        298.20   0.747    650
        295.08   0.739    548
        291.42   0.730    165
        290.69   0.728    151
    

in CDCl3



KBr disc



liquid film



nujol mull



4880 A,200 M,powder