Diethylethylphosphonate,98% , 95% , 78-38-6

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

PRODUCT Properties

• 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
• 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
• Henry's Law Constant: 3.4×10⁰ mol/(m³Pa) at 25℃, Bartelt-Hunt et al. (2008)
• Dielectric constant: 9.9（45℃）
• Stability: Stable, but hydrolyzes under both acidic and basic conditions. Incompatible with strong oxidizing agents.
• LogP: 3.2 at 20℃
• CAS DataBase Reference: 78-38-6(CAS DataBase Reference)
• EPA Substance Registry System: Diethyl ethylphosphonate (78-38-6)

Description and 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.

Safety

• Symbol(GHS): GHS05,GHS07,GHS09
• Signal word: Danger
• Hazard statements: H313-H319-H401-H302-H318-H411
• Precautionary statements: P273-P280-P305+P351+P338-P264-P280i-P301+P312a-P337+P313-P501a
• Hazard Codes: Xi,N,Xn
• Risk Statements: 36/37/38-51/53-41-22
• Safety Statements: 37/39-26-61-39
• RIDADR: UN 3082 9/PG 3
• WGK Germany: 2
• RTECS: SZ7925000
• TSCA: TSCA listed
• HazardClass: 9
• HS Code: 29310040
• Hazardous Substances Data: 78-38-6(Hazardous Substances Data)
• Limited Quantities: 5.0 L (1.3 gallons) (liquid) or 5.0 kg (11 lbs) (solid)
• Excepted Quantities: Max Inner Pack (30g or 30ml) and Max Outer Pack (1Kg or 1L)