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propargyl bromide

Product Name propargyl bromide

CAS106-96-7

MFC3H3Br

MW118.96

¹³CNMR

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 CDCl3

parameter in TMS

¹H NMR	300 MHz
C₃ H₃ Br	0.04 ml : 0.5 ml CDCl₃
3-bromopropyne

    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

¹H NMR	300 MHz
C₃ H₃ Br	2 vol% in TMS
3-bromopropyne

    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

in CDCl3

liquid film

PHOTOLYSIS, TRAPPED WITHIN AR MATRIX

PHOTOLYSIS OF (C2H5)3SIH/DTBPO/HCCCH2BR

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