| Identification | More | [Name]
DIETHYL ETHYLPHOSPHONATE | [CAS]
78-38-6 | [Synonyms]
AURORA KA-1434
DIETHYL ETHANEPHOSPHONATE
DIETHYL ETHYLPHOSPHONATE
ETHANEPHOSPHONIC ACID DIETHYL ETHER
ETHYLPHOSPHONIC ACID DIETHYL ESTER
Amgard v 490
Diethoxyethylphosphine oxide
Ethanephosphonic acid, diethyl ester
ethanephosphonicacid,diethylester
ethyl-phosphonicacidiethylester
Phosphonic acid, ethyl-, diethyl ester
Phosphonicacid,ethyl-,diethylester
ETHYLPHOSPHONIC ACID DIETHYL ESTER 97+%
Diethylethylphosphonate,98% | [EINECS(EC#)]
201-111-9 | [Molecular Formula]
C6H15O3P | [MDL Number]
MFCD00039888 | [Molecular Weight]
166.16 | [MOL File]
78-38-6.mol |
| Chemical Properties | Back Directory | [Appearance]
colourless liquid | [Boiling point ]
82-83 °C (11 mmHg) | [density ]
1.024 g/mL at 20 °C(lit.)
| [vapor pressure ]
7.2hPa at 20℃ | [refractive index ]
n20/D 1.417
| [Fp ]
105°C | [solubility ]
Chloroform (Soluble), Dichloromethane, Ethyl Acetate (Slightly) | [form ]
Liquid | [color ]
Clear colorless | [Stability:]
Stable, but hydrolyzes under both acidic and basic conditions. Incompatible with strong oxidizing agents. | [Water Solubility ]
Miscible with alcohol, ether and organic solvents. Slightly miscible with water. | [BRN ]
1756861 | [Henry's Law Constant]
3.4×100 mol/(m3Pa) at 25℃, Bartelt-Hunt et al. (2008) | [Dielectric constant]
9.9（45℃） | [LogP]
3.2 at 20℃ | [CAS DataBase Reference]
78-38-6(CAS DataBase Reference) | [EPA Substance Registry System]
Diethyl ethylphosphonate (78-38-6) |
| Questions And Answer | Back Directory | [Preparation]
Triethyl phosphite and the catalyst ethyl p-toluenesulfonate were mixed and stirred until homogeneous, then heated to the reflux temperature of triethyl phosphite. After reflux reaction, the mixture was distilled under reduced pressure, and the fraction at 118–120 °C was collected under a vacuum of 0.095 MPa to obtain the colorless and transparent product diethyl ethylphosphonate. |
| Hazard Information | Back Directory | [General Description]
Colorless liquid with a mild odor. | [Reactivity Profile]
Organophosphates, such as DIETHYL ETHYLPHOSPHONATE(78-38-6), 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. | [Air & Water Reactions]
Slightly water soluble. May hydrolyze under acid or basic conditions . | [Chemical Properties]
colourless liquid | [Uses]
Diethyl Ethylphosphonate can be used as a flame retardant, and also used as a general reagent in phosphinoalkene and phosphinoalkyne synthesis. | [Uses]
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. |
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