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| CAS No.: | 1660-94-2 |
|---|---|
| Name: | TETRAETHYL METHYLENEDIPHOSPHONATE |
| Article Data: | 57 |
| Molecular Structure: | |
|
|
|
| Formula: | C9H22O6P2 |
| Molecular Weight: | 288.218 |
| 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; |
| EINECS: | 216-764-5 |
| Density: | 1.149 g/cm3 |
| Boiling Point: | 319.894 °C at 760 mmHg |
| Flash Point: | 185.911 °C |
| Solubility: | Slightly miscible with water. |
| Appearance: | clear yellow to yellow-brown liquid |
| Hazard Symbols: |
 Xi, C
|
| Risk Codes: | 36/37/38 |
| Safety: | 26-36 |
| PSA: | 90.68000 |
| LogP: | 3.47610 |
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Chemistry
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
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, |
Consensus Reports
Reported in EPA TSCA Inventory.
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
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 .