Diethyl phosphite(762-04-9) 1H NMR
Product NameDiethyl phosphite
CAS762-04-9
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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MassMS-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
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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
CCl4 solution
liquid film
4880 A,200 M,liquid
