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585-07-9

甲基丙烯酸叔丁酯(585-07-9)质谱(MS)

分子式:C8H14O2

分子量: 142.2

InChI:InChI=1S/C8H14O2/c1-6(2)7(9)10-8(3,4)5/h1H2,2-5H3

InChIKey: SJMYWORNLPSJQO-UHFFFAOYSA-N

Smiles:C(OC(C)(C)C)(=O)C(C)=C

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    Mass

    MS-NW-4850          
    tert-butyl methacrylate
    C8H14O2             (Mass of molecular ion:    142)
    

       Source Temperature: 260 °C
       Sample Temperature: 180 °C
       Reservoir, 75 eV
    

          15.0       2.1
          27.0       4.0
          28.0       1.5
          29.0      16.3
          31.0       1.3
          38.0       1.1
          39.0      12.5
          40.0       3.1
          41.0      53.3
          42.0       2.3
          43.0       3.5
          55.0       3.1
          56.0      24.6
          57.0     100.0
          58.0       4.5
          59.0       3.2
          69.0      50.3
          70.0       2.4
          86.0       1.4
          87.0      16.2
          91.0       4.7
          97.0       1.0
         106.0       2.3
         124.0       1.2
         127.0       2.2
    

90 MHz in CDCl3

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    1H NMR 89.56 MHz
    C8 H14 O2 0.04 ml : 0.5 ml CDCl3
    tert-butyl methacrylate
    ChemicalStructure
        Assign.     Shift(ppm)
    A 1.491 B 1.895 C 5.465 D 5.995

         Hz     ppm     Int.
    

        538.31   6.011     33
        537.31   6.000     42
        536.38   5.990     43
        535.44   5.979     33
        490.69   5.479     33
        489.13   5.462     41
        487.25   5.441     32
        170.94   1.909    127
        169.94   1.898    147
        169.38   1.892    143
        168.38   1.881    119
        133.56   1.492   1000
    

in CDCl3

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CCl4 solution

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liquid film

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4880 A,200 M,liquid

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