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Back ChemicalBook Home>CAS DataBase List>6305-43-7More Spectrum> 1,4-DIBROMO-2,3-BUTANEDIONE(6305-43-7) 13C NMR

1,4-DIBROMO-2,3-BUTANEDIONE(6305-43-7) 13C NMR

Molecular FormulaC4H4Br2O2

Molecular Weight243.88

InChIInChI=1S/C4H4Br2O2/c5-1-3(7)4(8)2-6/h1-2H2

InChIKey RZMOICJDRADLCT-UHFFFAOYSA-N

SmilesC(Br)C(=O)C(=O)CBr


  • Mass

    MS-NW-6543          
    1,4-dibromo-2,3-butanedione
    C4H4Br2O2           (Mass of molecular ion:    242)
    

       Source Temperature: 240 °C
       Sample Temperature: 190 °C
       Reservoir, 75 eV
    

          14.0       5.5
          26.0       1.3
          27.0       2.5
          28.0       1.7
          41.0       1.9
          42.0     100.0
          43.0       7.7
          79.0       2.1
          80.0       1.6
          81.0       2.1
          82.0       1.6
          92.0       1.4
          93.0      22.9
          94.0       1.5
          95.0      21.9
         120.0       1.2
         121.0      51.7
         122.0       2.1
         123.0      49.0
         124.0       1.3
         242.0       1.1
         244.0       2.1
         246.0       1.0
    

parameter in CDCl3


  • 1H NMR 300 MHz
    C4 H4 Br2 O2 0.045 g : 0.5 ml CDCl3
    1,4-dibromo-2,3-butanedione
    ChemicalStructure
        Parameter     ppm  Hz
    D(A) 4.330

         Hz     ppm     Int.
    

       1299.00   4.330   1000
    

in CDCl3



KBr disc



nujol mull



1,4-DIBROMO-2,3-BUTANEDIONE(6305-43-7) 13C NMR Atlas of Related Products

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