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5340-78-3

叔丁基乙酸乙酯(5340-78-3)核磁图(13CNMR)

产品名称:叔丁基乙酸乙酯

CAS:5340-78-3

分子式:C8H16O2

分子量: 144.21

InChI:InChI=1S/C8H16O2/c1-5-10-7(9)6-8(2,3)4/h5-6H2,1-4H3

InChIKey: JWMNHAMYTBAUPI-UHFFFAOYSA-N

Smiles:C(OCC)(=O)CC(C)(C)C

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    Mass

    MS-IW-4037          
    ethyl 3,3-dimethylbutyrate
    C8H16O2             (Mass of molecular ion:    144)
    

       Source Temperature: 220 °C
       Sample Temperature: 150 °C
       Reservoir, 75 eV
    

          27.0       7.7
          28.0       2.3
          29.0      36.2
          39.0       6.0
          40.0       1.0
          41.0      24.6
          42.0       3.4
          43.0      21.0
          45.0       6.7
          53.0       1.5
          55.0      14.8
          56.0       7.5
          57.0      88.1
          58.0       4.6
          59.0      25.4
          60.0      27.1
          61.0      19.6
          69.0       1.5
          70.0      20.6
          71.0       8.8
          73.0       1.9
          83.0      13.6
          87.0      40.4
          88.0     100.0
          89.0       5.8
          99.0      47.6
         100.0       3.4
         101.0       1.1
         129.0       7.5
         144.0       1.3
         145.0       1.3
    

parameter in CDCl3

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    1H NMR 300 MHz
    C8 H16 O2 0.05 ml : 0.5 ml CDCl3
    ethyl 3,3-dimethylbutyrate
    ChemicalStructure
        Parameter     ppm  Hz
    D(A) 4.120 D(C) 1.258 J(A,C) 7.1 D(B) 2.186 D(D) 1.031

         Hz     ppm     Int.
    

       1246.71   4.156     27
       1239.61   4.132     82
       1232.50   4.108     83
       1225.40   4.085     28
        655.80   2.186    222
        384.47   1.282     84
        377.40   1.258    166
        370.29   1.234     82
        309.29   1.031   1000
    

in CDCl3

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liquid film

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