78-38-6

Name DIETHYL ETHYLPHOSPHONATE
CAS 78-38-6
EINECS(EC#) 201-111-9
Molecular Formula C6H15O3P
MDL Number MFCD00039888
Molecular Weight 166.16
MOL File 78-38-6.mol
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Chemical Properties

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)

Safety Data

Symbol(GHS)  Corrosion (GHS05)Exclamation Mark (GHS07)Environment (GHS09)
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
Risk Statements 
R36/37/38:Irritating to eyes, respiratory system and skin .
Safety Statements 
S37/39:Wear suitable gloves and eye/face protection .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
RIDADR  UN 3082 9/PG 3
WGK Germany  2
RTECS  SZ7925000
TSCA  Yes
REACH Registrations Active
HazardClass  9
HS Code  29310040
Hazardous Substances Data 78-38-6(Hazardous Substances Data)

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