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Hexamethylphosphoramide

Product Name Hexamethylphosphoramide

CAS680-31-9

MFC6H18N3OP

MW179.2

¹³CNMR

Mass

MS-NW-3747          
hexamethylphosphoric triamide
C6H18N3OP           (Mass of molecular ion:    179)

   Source Temperature: 280 °C
   Sample Temperature: 180 °C
   Reservoir, 75 eV

      15.0       6.2
      18.0       3.7
      28.0       3.4
      30.0       2.5
      41.0       1.1
      42.0      21.7
      43.0       6.1
      44.0     100.0
      45.0      80.6
      46.0      20.1
      47.0       3.2
      49.0       1.4
      58.0       3.0
      60.0       2.8
      73.0       2.0
      75.0       1.5
      76.0       4.2
      78.0       1.0
      88.0       1.7
      88.5       1.0
      90.0       4.7
      91.0       3.8
      92.0      23.2
      93.0       6.8
     119.0       2.0
     121.0       1.2
     134.0       1.0
     135.0      92.3
     136.0      26.2
     137.0       1.6
     179.0      37.2
     180.0       3.1

400 MHz in CDCl3

90 MHz in CDCl3

¹H NMR	399.65 MHz
C₆ H₁₈ N₃ O P	0.05 ml : 0.5 ml CDCl₃
hexamethylphosphoric triamide

    Assign.     Shift(ppm)

      A             2.657

     Hz     ppm     Int.

   1080.32   2.704     21
   1075.20   2.691     39
   1066.41   2.669    988
   1057.13   2.646   1000
   1045.65   2.617     36

¹H NMR	89.56 MHz
C₆ H₁₈ N₃ O P	0.04 ml : 0.5 ml CDCl₃
hexamethylphosphoric triamide

    Assign.     Shift(ppm)

      A             2.651
     
     J(A,P-31)=9.3HZ

     Hz     ppm     Int.

    242.13   2.704   1000
    232.81   2.600    996

in CDCl3

CCl4 solution

liquid film

4880 A,200 M,liquid

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