Names | |
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Preferred IUPAC name
Diethyl phosphonate | |
Other names
diethyl phosphonite; DEP; Phosphonic acid, diethyl ester
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Identifiers | |
3D model (JSmol)
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4-01-00-01329 | |
ChemSpider | |
ECHA InfoCard | 100.010.992 |
PubChem CID
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UNII | |
CompTox Dashboard (EPA)
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Properties | |
C4H11O3P | |
Molar mass | 138.103 g·mol−1 |
Appearance | colorless liquid |
Density | 1.072 g/cm3 |
Boiling point | 50-51 °C at 2 mm Hg |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Diethyl phosphite is the organophosphorus compound with the formula (C2H5O)2P(O)H. It is a popular reagent for generating other organophosphorus compounds, exploiting the high reactivity of the P-H bond. Diethyl phosphite is a colorless liquid.[1] The molecule is tetrahedral.