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返回ChemicalBook首页>CAS数据库列表>20561-09-5更多图谱> 环丙烷-1,2-二羧酸二乙酯(20561-09-5)红外图谱(IR1)

20561-09-5

环丙烷-1,2-二羧酸二乙酯(20561-09-5)红外图谱(IR1)

分子式:C9H14O4

分子量: 186.21

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    Mass

    MS-IW-1268          
    diethyl 1,2-cyclopropanedicarboxylate
    C9H14O4             (Mass of molecular ion:    186)
    

       Source Temperature: 230 °C
       Sample Temperature: 160 °C
       Reservoir, 75 eV
    

          27.0       6.5
          28.0       2.2
          29.0      28.6
          31.0       1.0
          39.0       7.9
          40.0       3.5
          41.0       4.0
          42.0       3.0
          43.0       2.2
          45.0       2.8
          55.0       7.7
          57.0       5.1
          67.0       3.3
          68.0       7.6
          69.0       2.0
          71.0       1.0
          73.0       1.2
          84.0      15.9
          85.0      31.4
          86.0      14.2
          95.0       3.2
          96.0       1.7
          99.0       1.1
         112.0      33.1
         113.0      31.3
         114.0      18.9
         115.0       1.4
         131.0       2.9
         140.0      13.0
         141.0     100.0
         142.0       9.9
         143.0       1.0
         157.0       4.0
         158.0       2.7
         159.0       9.3
         186.0       3.7
         187.0       1.1
    

400 MHz in CDCl3

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    1H NMR 399.65 MHz
    C9 H14 O4 0.05 ml : 0.5 ml CDCl3
    diethyl 1,2-cyclopropanedicarboxylate
    ChemicalStructure
        Assign.     Shift(ppm)
    A 4.153 B 2.150 C 1.419 D 1.272

         Hz     ppm     Int.
    

       1670.41   4.180    273
       1663.33   4.162    644
       1656.13   4.144    656
       1648.93   4.126    275
        866.82   2.169    258
        861.08   2.155    169
        859.62   2.151    232
        859.13   2.150    232
        858.03   2.147    182
        852.17   2.133    283
        574.22   1.437    270
        570.31   1.428     23
        568.36   1.423    179
        567.26   1.420    202
        566.77   1.419    205
        565.31   1.415    165
        559.57   1.401    246
        515.38   1.290    679
        508.30   1.272   1000
        501.10   1.254    661
    

in CDCl3

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liquid film

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