-
Name
TETRAETHYL METHYLENEDIPHOSPHONATE
- EINECS 216-764-5
- CAS No. 1660-94-2
- Article Data57
- CAS DataBase
- Density 1.149 g/cm3
- Solubility Slightly miscible with water.
- Melting Point
- Formula C9H22O6P2
- Boiling Point 319.894 °C at 760 mmHg
- Molecular Weight 288.218
- Flash Point 185.911 °C
- Transport Information
- Appearance clear yellow to yellow-brown liquid
- Safety 26-36
- Risk Codes 36/37/38
-
Molecular Structure
-
Hazard Symbols
Xi,
C
- Synonyms Phosphonicacid, methylenebis-, tetraethyl ester (9CI);Phosphonic acid, methylenedi-,tetraethyl ester (6CI,7CI,8CI);Bis(diethylphosphono)methane;Methanediphosphonic acid tetraethyl ester;Methylenebis(diethoxyphosphineoxide);Methylenebis(diethyl phosphonate);Methylenebis(phosphonic acid)tetraethyl ester;Methylenediphosphonic acid tetraethyl ester;NSC 133889;Tetraethyl methylenebisphosphonate;Tetraethyl methylenediphosphonate;Tetraethyl methylidenebisphosphonate;
- PSA 90.68000
- LogP 3.47610
Tetraethyl methylenediphosphonate Chemical Properties
Product Name: Methylenedi(phosphonic acid) tetraethyl ester (CAS NO.1660-94-2)
Molecular Formula: C9H22O6P2
Molecular Weight: 288.21g/mol
Mol File: 1660-94-2.mol
Einecs: 216-764-5
Appearance: Clear yellow to yellow-brown liquid
Boiling point: 171-174 °C11 mm Hg(lit.)
Flash Point: 185.9 °C
Density: 1.16 g/mL at 25 °C(lit.)
Refractive index: n20/D 1.442(lit.)
Surface Tension: 35.6 dyne/cm
Enthalpy of Vaporization: 53.92 kJ/mol
Vapour Pressure: 0.000616 mmHg at 25°C
XLogP3-AA: 0.3
H-Bond Donor: 0
H-Bond Acceptor: 6
Product Categories: Naphthyridine,Quinoline
Tetraethyl methylenediphosphonate Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| mouse | LD50 | intravenous | 180mg/kg (180mg/kg) | U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. Vol. NX#03139, |
Tetraethyl methylenediphosphonate Consensus Reports
Reported in EPA TSCA Inventory.
Tetraethyl methylenediphosphonate Safety Profile
Poison by intravenous route. When heated to decomposition it emits toxic vapors of POx.
Safety Information of Methylenedi(phosphonic acid) tetraethyl ester (CAS NO.1660-94-2):
Hazard Codes: Xi.gif){kind=small}
,C.gif){kind=small}
Risk Statements: 36/37/38
36: Irritating to the eyes
37: Irritating to the respiratory system
38: Irritating to the skin
Safety Statements: 26-36
26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
36: Wear suitable protective clothing
Tetraethyl methylenediphosphonate Specification
Methylenedi(phosphonic acid) tetraethyl ester ,its CAS NO. is 1660-94-2,the synonyms is Methylenebis(diethylphosphonate) ; Methylenebis-phosphonicacitetraethylester ; Methylenedi-phosphonicacitetraethylester ; Methylenediphosphonic acid tetraethyl ester ; Aurora ka-1506 ; Bis(diethoxyphosphinyl)methane ; Tetraethyl(methylene)bisphosphonate ; Tetraethyl methylenediphosphonate .
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