CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Liquid |
|---|---|
| Color/Form | Water-white liquid |
| Odor | Little odor |
| Boiling Point | 138 °C |
| Solubility | Soluble in water |
| Density | 1.069 g/cu cm at 25 °C |
| Vapor Density | 4.76 (Air = 1) |
| Vapor Pressure | 11.2 [mmHg] |
| Stability/Shelf Life | Stable under recommended storage conditions. |
| Decomposition | Hazardous decomposition products formed under fire conditions. - Carbon oxides, Oxides of phosphorus |
| Viscosity | 1.13 centistokes at 25 °C |
| Refractive Index | Index of refraction: 1.4061 at 25 °C |
| Kovats Retention Index | 953 953 |
| Other Experimental Properties | Volatility: 1.87X10+3 mg/cu m at 20 °C |
| Chemical Classes | Other Classes -> Phosphite Compounds |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
 Corrosion Corrosives GHS05  Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H317:Sensitisation, Skin H318:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P272:Contaminated work clothing should not be allowed out of the workplace. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P333+P313:IF SKIN irritation or rash occurs: Get medical advice/attention. |
COMPUTED DESCRIPTORS
| Molecular Weight | 137.09 g/mol |
|---|---|
| XLogP3 | 0.7 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 4 |
| Exact Mass | 137.03675617 g/mol |
| Monoisotopic Mass | 137.03675617 g/mol |
| Topological Polar Surface Area | 35.5 Ų |
| Heavy Atom Count | 8 |
| Formal Charge | 1 |
| Complexity | 65.7 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 1 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
Diethyl phosphite is a colorless liquid.The molecule is tetrahedral. It is a popular reagent for generating other organophosphorus compounds, exploiting the high reactivity of the P-H bond.