DIETHYL ETHYLPHOSPHONATE
Synonym(s):Diethoxyethylphosphine oxide;NSC 2671
- CAS NO.：78-38-6
- Empirical Formula: C6H15O3P
- Molecular Weight: 166.16
- MDL number: MFCD00039888
- EINECS: 201-111-9
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-09-25 17:15:13
What is DIETHYL ETHYLPHOSPHONATE?
Chemical properties
colourless liquid
The Uses of DIETHYL ETHYLPHOSPHONATE
Diethyl Ethylphosphonate can be used as a flame retardant, and also used as a general reagent in phosphinoalkene and phosphinoalkyne synthesis.
The Uses of DIETHYL ETHYLPHOSPHONATE
Diethyl ethylphosphonate is used for heavy-metal extraction and solvent separation. It is also used as a gasoline additive, antifoam agent, plasticizer and textile conditioner. Further, it serves as an antistatic agent, flame retardant and as a general reagent in phosphinoalkene and phosphinoalkyne synthesis.
General Description
Colorless liquid with a mild odor.
Air & Water Reactions
Slightly water soluble. May hydrolyze under acid or basic conditions .
Reactivity Profile
Organophosphates, such as DIETHYL ETHYLPHOSPHONATE, are susceptible to formation of highly toxic and flammable phosphine gas in the presence of strong reducing agents such as hydrides. Partial oxidation by oxidizing agents may result in the release of toxic phosphorus oxides.
Properties of DIETHYL ETHYLPHOSPHONATE
| Boiling point: | 82-83 °C (11 mmHg) |
| Density | 1.024 g/mL at 20 °C(lit.) |
| vapor pressure | 7.2hPa at 20℃ |
| refractive index | n |
| Flash point: | 105°C |
| solubility | Chloroform (Soluble), Dichloromethane, Ethyl Acetate (Slightly) |
| form | Liquid |
| color | Clear colorless |
| Water Solubility | Miscible with alcohol, ether and organic solvents. Slightly miscible with water. |
| BRN | 1756861 |
| Dielectric constant | 9.9（45℃） |
| Stability: | Stable, but hydrolyzes under both acidic and basic conditions. Incompatible with strong oxidizing agents. |
| CAS DataBase Reference | 78-38-6(CAS DataBase Reference) |
| EPA Substance Registry System | Diethyl ethylphosphonate (78-38-6) |
Safety information for DIETHYL ETHYLPHOSPHONATE
| Signal word | Danger |
| Pictogram(s) |
 Corrosion Corrosives GHS05  Exclamation Mark Irritant GHS07  Environment GHS09 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H313:Acute toxicity,dermal H318:Serious eye damage/eye irritation H319:Serious eye damage/eye irritation H401:Hazardous to the aquatic environment, acute hazard H411:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P273:Avoid release to the environment. P280:Wear protective gloves/protective clothing/eye protection/face protection. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P337+P313:IF eye irritation persists: Get medical advice/attention. |
Computed Descriptors for DIETHYL ETHYLPHOSPHONATE
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