| Identification | ||
| Name | Diethyl phosphite | |
| Synonyms | Diethyl hydrogen phosphonate | |
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| Molecular Structure |
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| Molecular Formula | C4H11O3P | |
| Molecular Weight | 138.10 | |
| CAS Registry Number | 762-04-9 | |
| EINECS | 212-091-6 | |
| Properties | ||
| Density | 1.072 | |
| Melting point | -70 ºC | |
| Boiling point | 50-51 ºC (2 mmHg) | |
| Refractive index | 1.407-1.409 | |
| Flash point | 74 ºC | |
| Water solubility | miscible (hydrolysis) | |