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762-21-0

Diethyl acetylenedicarboxylate

Product Name Diethyl acetylenedicarboxylate

CAS762-21-0

MFC8H10O4

MW170.16

More

  • 762-21-0_ms_1
    Mass

    MS-NW-1162          
    diethyl acetylenedicarboxylate
    C8H10O4             (Mass of molecular ion:    170)
    

       Source Temperature: 240 °C
       Sample Temperature: 170 °C
       Reservoir, 75 eV
    

          15.0       5.3
          18.0       2.3
          25.0       1.2
          26.0       4.7
          27.0      28.5
          28.0       6.9
          29.0      55.5
          30.0       2.0
          31.0       3.2
          39.0       1.9
          41.0       1.2
          42.0       2.5
          43.0      10.7
          44.0       1.4
          45.0      19.7
          51.0       1.1
          52.0      11.8
          53.0      93.3
          54.0       5.3
          55.0       2.1
          66.0       1.4
          67.0       1.3
          68.0       3.4
          69.0       6.8
          70.0       4.1
          79.0       1.4
          80.0      18.8
          81.0       5.5
          82.0       4.6
          84.0       1.0
          96.0       2.2
          97.0      11.6
          98.0      47.2
          99.0       3.9
         112.0       1.3
         113.0       5.6
         115.0       4.6
         119.0       1.4
         124.0      15.5
         125.0     100.0
         126.0      15.2
         127.0       1.9
         143.0       2.9
    

90 MHz in CDCl3

  • 762-21-0_1hnmr_0

    1H NMR 89.56 MHz
    C8 H10 O4 0.04 ml : 0.5 ml CDCl3
    diethyl acetylenedicarboxylate
    ChemicalStructure
        Assign.     Shift(ppm)
    A 4.300 B 1.337

         Hz     ppm     Int.
    

        396.13   4.424    120
        388.94   4.343    425
        381.75   4.263    447
        374.69   4.184    139
        126.69   1.415    461
        123.88   1.384     28
        119.63   1.336   1000
        117.19   1.309     30
        116.63   1.303     34
        112.38   1.255    407
    

in CDCl3

  • 762-21-0_13cnmr_0

CCl4 solution

  • 762-21-0_ir1_2

liquid film

  • 762-21-0_ir2_1

4880 A,200 M,liquid

  • 762-21-0_raman_0