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WebSite > CAS DataBase List >  5426-09-5More Spectrum > 4,10-DIOXATRICYCLO[5.2.1.0(2,6)]DEC-8-ENE-3,5-DIONE(5426-09-5)13CNMR

4,10-DIOXATRICYCLO[5.2.1.0(2,6)]DEC-8-ENE-3,5-DIONE

Product Name 4,10-DIOXATRICYCLO[5.2.1.0(2,6)]DEC-8-ENE-3,5-DIONE

CAS5426-09-5

MFC8H6O4

MW166.13


  • Mass 

    MS-NW-7871          
3,6-epoxy-1,2,3,6-tetrahydrophthalic anhydride
C8H6O4              (Mass of molecular ion:    166)


       Source Temperature: 170 °C
   Sample Temperature: 140 °C
   Direct, 75 eV


          25.0       1.4
      26.0      13.0
      27.0       1.8
      28.0       1.8
      29.0       4.3
      37.0       2.0
      38.0       4.8
      39.0      30.1
      40.0       8.7
      42.0       2.9
      51.0       1.2
      53.0       1.7
      54.0      10.8
      63.0       1.5
      65.0       6.4
      66.0      10.9
      68.0     100.0
      69.0       4.6
      94.0       5.1
      98.0       4.6
     121.0       4.0

400 MHz in CDCl3


  • 1H NMR 399.65 MHz
    C8 H6 O4 saturated in CDCl3
    3,6-epoxy-1,2,3,6-tetrahydrophthalic anhydride
    ChemicalStructure 
        Assign.     Shift(ppm)
    
      A             6.584
      B             5.464
      C             3.183
  

         Hz     ppm     Int.


       2632.20   6.587    425
   2631.35   6.585    552
   2630.37   6.582    332
   2626.22   6.572     24
   2184.57   5.467    436
   2183.72   5.465    551
   2182.74   5.462    329
   1272.34   3.184   1000

in CDCl3



KBr disc



nujol mull



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