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propargyl bromide

Product Name propargyl bromide

CAS106-96-7

MFC3H3Br

MW118.96

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  • Mass 

    MS-NW-4404          
3-bromopropyne
C3H3Br              (Mass of molecular ion:    118)


       Source Temperature: 230 °C
   Sample Temperature: 180 °C
   Reservoir, 75 eV


          25.0       1.4
      26.0       1.1
      36.0       2.3
      37.0      13.3
      38.0      24.1
      39.0     100.0
      40.0       3.4
      79.0       2.7
      81.0       2.7
     117.0       1.2
     118.0      24.3
     119.0       1.8
     120.0      23.1
     166.0       1.6

parameter in TMS

parameter in CDCl3


  • 1H NMR 300 MHz
    C3 H3 Br 2 vol% in TMS
    3-bromopropyne
    ChemicalStructure 
        Parameter     ppm  Hz
    
      D(A)         2.240
      D(B)         3.683
       J(A,B)          2.7
     
     WHIPPLE,E.B. ET AL. J.AM.CHEM.SOC. 81, 1321 (1959)
  

         Hz     ppm     Int.


       1106.26   3.688    988
   1103.57   3.679   1000
    674.69   2.249    257
    672.00   2.240    497
    669.30   2.231    251


  • 1H NMR 300 MHz
    C3 H3 Br 0.04 ml : 0.5 ml CDCl3
    3-bromopropyne
    ChemicalStructure 
        Parameter     ppm  Hz
    
      D(A)         3.879
      D(B)         2.526
       J(A,B)          2.62
  

         Hz     ppm     Int.


       1165.01   3.883    988
   1162.40   3.875   1000
    760.41   2.535    258
    757.80   2.526    497
    755.19   2.517    252

in CDCl3



liquid film





PHOTOLYSIS OF (C2H5)3SIH/DTBPO/HCCCH2BR

PHOTOLYSIS, TRAPPED WITHIN AR MATRIX





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