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6305-43-7

1,4-DIBROMO-2,3-BUTANEDIONE

Product Name 1,4-DIBROMO-2,3-BUTANEDIONE

CAS6305-43-7

MFC4H4Br2O2

MW243.88

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  • 6305-43-7_ms_1
    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

  • 6305-43-7_1hnmr_0

    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

  • 6305-43-7_13cnmr_0

KBr disc

  • 6305-43-7_ir1_2

nujol mull

  • 6305-43-7_ir2_1

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