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网站主页CAS数据库列表 510-20-3更多图谱二乙基丙二酸(510-20-3)质谱(MS)

二乙基丙二酸

产品名称 二乙基丙二酸

CAS号510-20-3

分子式C7H12O4

分子量160.17


  • Mass

    MS-NW-9946          
    diethylmalonic acid
    C7H12O4             (Mass of molecular ion:    160)
    

       Source Temperature: 160 °C
       Sample Temperature: 100 °C
       Direct, 75 eV
    

          15.0       1.7
          17.0       3.6
          18.0      19.4
          26.0       2.9
          27.0      29.9
          28.0       9.7
          29.0      35.4
          31.0       3.9
          38.0       2.1
          39.0      26.2
          40.0       4.1
          41.0      51.6
          42.0       7.5
          43.0      39.6
          44.0      29.5
          45.0      54.1
          46.0       1.7
          50.0       1.1
          51.0       1.8
          53.0       9.2
          54.0       2.5
          55.0      56.4
          56.0       3.7
          57.0      26.6
          58.0       1.4
          59.0      10.0
          60.0       1.5
          65.0       1.0
          67.0       3.7
          68.0       5.1
          69.0      35.7
          70.0       4.0
          71.0      11.1
          72.0       1.6
          73.0      28.2
          74.0       2.0
          81.0       4.7
          82.0       1.2
          83.0      20.5
          84.0       2.1
          85.0       3.8
          86.0      46.9
          87.0      27.8
          88.0      30.1
          89.0       1.4
          95.0       4.9
          96.0       4.9
          97.0       7.4
          98.0      13.5
          99.0      47.5
         100.0       2.7
         101.0      98.6
         102.0       5.6
         113.0      22.2
         114.0     100.0
         115.0      12.4
         116.0      27.6
         117.0      10.2
         127.0       1.9
         131.0       2.7
         132.0      77.0
         133.0       4.5
         142.0       1.0
         143.0       3.7
         161.0       3.7
    

400 MHz in DMSO-d6


  • 1H NMR 399.65 MHz
    C7 H12 O4 0.033 g : 0.5 ml DMSO-d6
    diethylmalonic acid
    ChemicalStructure
        Assign.     Shift(ppm)
    A 12.6 B 1.759 C 0.748

         Hz     ppm     Int.
    

        714.53   1.788    111
        707.02   1.770    395
        699.33   1.750    406
        692.00   1.732    124
        306.44   0.767    447
        299.11   0.749   1000
        291.42   0.730    411
        285.92   0.716     26
    

in DMSO-d6



KBr disc



nujol mull