Diethyl phosphite(762-04-9) ¹³C NMR

Product NameDiethyl phosphite

CAS 762-04-9

Molecular FormulaC4H11O3P

Molecular Weight138.1

InChIInChI=1S/C4H11O3P/c1-3-6-8(5)7-4-2/h8H,3-4H2,1-2H3

InChIKey MJUJXFBTEFXVKU-UHFFFAOYSA-N

SmilesP(=O)(OCC)OCC

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Mass

MS-NW-3746          
diethyl phosphite
C4H11O3P            (Mass of molecular ion:    138)

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

      14.0       1.0
      15.0       5.6
      19.0       4.0
      26.0       4.4
      27.0      22.6
      28.0       8.2
      29.0      38.7
      30.0       1.2
      31.0      19.3
      42.0       1.3
      43.0       7.5
      44.0       1.8
      45.0      34.9
      46.0       1.7
      47.0      12.3
      48.0       1.4
      63.0       1.0
      65.0      75.3
      66.0      27.5
      67.0       2.6
      77.0       1.5
      81.0       8.1
      82.0      14.3
      83.0     100.0
      91.0       1.8
      92.0      10.1
      93.0      25.8
      94.0      13.3
      95.0       9.9
     109.0      10.6
     110.0       8.7
     111.0      80.7
     112.0       2.2
     123.0       4.5
     137.0       1.5

90 MHz in CDCl3

¹H NMR	89.56 MHz
C₄ H₁₁ O₃ P	0.05 ml : 0.5 ml CDCl₃
diethyl phosphite

    Assign.     Shift(ppm)

      A             6.812
      B             4.150
      C             1.372
     
     J(P-31,A)=691.7HZ
     J(P-31,B)=7.1HZ

     Hz     ppm     Int.

    956.03  10.675    158
    387.45   4.327     88
    380.27   4.246    319
    378.37   4.225    110
    373.24   4.168    365
    371.19   4.145    334
    368.77   4.118     37
    366.21   4.089    147
    364.09   4.066    344
    357.13   3.988    116
    264.48   2.954    157
    129.86   1.450    530
    122.83   1.372   1000
    115.72   1.293    479

in CDCl3