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Cas Database |
| Name |
Diethyl (2-(triethoxysilyl)ethyl)phosphonate |
EINECS | N/A |
| CAS No. | 757-44-8 | Density | 1.031 |
| PSA | 73.03000 | LogP | 3.30090 |
| Solubility | N/A | Melting Point |
<0°C |
| Formula | C12H29 O6 P Si | Boiling Point | 141 °C (2 mmHg) |
| Molecular Weight | 328.418 | Flash Point | 70°C |
| Transport Information | N/A | Appearance | N/A |
| Safety | Mildly toxic by ingestion. When heated to decomposition it emits toxic vapors of POx. | Risk Codes | R36/37/38 |
| Molecular Structure |
|
Hazard Symbols |
 Xi
|
| Synonyms |
Phosphonicacid, [2-(triethoxysilyl)ethyl]-, diethyl ester (6CI,7CI,8CI,9CI);Diethoxyphosphorylethyltriethoxysilane; Diethyl[2-(triethoxysilyl)ethane]phosphonate; Diethyl [b-(triethoxysilyl)ethyl]phosphonate |
Article Data | 4 |
Diethyl (2-(triethoxysilyl)ethyl)phosphonate Synthetic route
- 78-08-0
Triethoxyvinylsilane
- 762-04-9
phosphonic acid diethyl ester
- 757-44-8
diethyl [2-(triethoxysilyl)ethyl]phosphonate
| Conditions | Yield |
|---|---|
| With 2,2'-azobis(isobutyronitrile) at 120℃; for 1h; | 38% |
| With di-tert-butyl peroxide | |
| With di-tert-butyl peroxide |
- 18279-67-9
2-chloroethyltriethoxysilane
- 122-52-1
triethyl phosphite
- 757-44-8
diethyl [2-(triethoxysilyl)ethyl]phosphonate
- 757-44-8
diethyl [2-(triethoxysilyl)ethyl]phosphonate
| Conditions | Yield |
|---|---|
| With hydrogenchloride at 90℃; for 24h; | 100% |
- 757-44-8
diethyl [2-(triethoxysilyl)ethyl]phosphonate
| Conditions | Yield |
|---|---|
| With ammonium hydrogen difluoride In water at 20℃; | 99% |
- 17455-13-9
18-crown-6 ether
- 757-44-8
diethyl [2-(triethoxysilyl)ethyl]phosphonate
| Conditions | Yield |
|---|---|
| Stage #1: 18-crown-6 ether With potassium fluoride In toluene; acetonitrile at 20℃; for 0.25h; Inert atmosphere; Stage #2: diethyl [2-(triethoxysilyl)ethyl]phosphonate In water; toluene; acetonitrile at 20℃; Inert atmosphere; | 89% |
- 757-44-8
diethyl [2-(triethoxysilyl)ethyl]phosphonate
- 429-41-4
tetrabutyl ammonium fluoride
- 1393730-74-9
tetra-n-butylammonium octakis(diethylphosphatoethyl)octasilsesquioxane fluoride
| Conditions | Yield |
|---|---|
| In tetrahydrofuran; water; toluene at 25℃; for 16h; Solvent; Inert atmosphere; | 82% |
- 757-44-8
diethyl [2-(triethoxysilyl)ethyl]phosphonate
| Conditions | Yield |
|---|---|
| With potassium hydrogen bifluoride In water; acetone at 20℃; for 0.166667h; | 77% |
- 757-44-8
diethyl [2-(triethoxysilyl)ethyl]phosphonate
| Conditions | Yield |
|---|---|
| With boron trifluoride diethyl etherate Heating; | 44.4% |
- 122-20-3
triisopropanolamine
- 757-44-8
diethyl [2-(triethoxysilyl)ethyl]phosphonate
- 71682-51-4
[2-(3,7,10-trimethyl-2,8,9-trioxa-5-aza-1-sila-bicyclo[3.3.3]undec-1-yl)-ethyl]-phosphonic acid diethyl ester
| Conditions | Yield |
|---|---|
| Irradiation; |
| Conditions | Yield |
|---|---|
| With hydrogenchloride In ethanol for 24h; |
Diethyl (2-(triethoxysilyl)ethyl)phosphonate Chemical Properties
Molecular Formula: C12H29O6PSi
Molar mass: 328.41 g/mol
EINECS: 212-056-5
Index of Refraction: 1.428
Density: 1.031 g/cm3
Flash Point: 159.1 °C
Enthalpy of Vaporization: 55.99 kJ/mol
Boiling Point: 339.5 °C at 760 mmHg
Vapour Pressure: 0.00018 mmHg at 25 °C
Melting point: <0 °C
Appearance: Clear colorless liquid
Structure of Diethyl (2-(triethoxysilyl)ethyl)phosphonate (CAS NO.757-44-8):
Diethyl (2-(triethoxysilyl)ethyl)phosphonate Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| rabbit | LD50 | skin | > 16mL/kg (16mL/kg) | Toxicology and Applied Pharmacology. Vol. 28, Pg. 313, 1974. | |
| rat | LD50 | oral | 17200uL/kg (17.2mL/kg) | Toxicology and Applied Pharmacology. Vol. 28, Pg. 313, 1974. |
Carcinogenicity of Diethyl (2-(triethoxysilyl)ethyl)phosphonate (CAS NO.757-44-8) hasn't been listed as a carcinogen by NTP, IARC,ACGIH, or CA Prop 65. And its toxicological properties have not been fully investigated.You can see actual entry in RTECS for complete information.
Diethyl (2-(triethoxysilyl)ethyl)phosphonate Consensus Reports
Reported in EPA TSCA Inventory.
Diethyl (2-(triethoxysilyl)ethyl)phosphonate Safety Profile
Mildly toxic by ingestion. When heated to decomposition it emits toxic vapors of POx.
Hazard Codes: 
Xi
Risk Statements: 36/37/38
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 37/39-26
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S37/39:Wear suitable gloves and eye/face protection.
Diethyl (2-(triethoxysilyl)ethyl)phosphonate Specification
Diethyl (2-(triethoxysilyl)ethyl)phosphonate ,its cas register number is 757-44-8. It also can be called Phosphonic acid, P-(2-(triethoxysilyl)ethyl)-, diethyl ester or Phosphonic acid, (2-(triethoxysilyl)ethyl)-, diethyl ester . It is hazardous,so the first aid measures and others should be known. Such as: When on the skin: first,should flush skin with plenty of water immediately for at least 15 minutes while removing contaminated clothing. Secondly,Get medical aid. Or in the eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Then get medical aid soon. While ,it's Inhaled: Remove from exposure and move to fresh air immediately.Give artificial respiration while not breathing. When breathing is difficult, give oxygen. And as soon as to get medical aid. Then you have the ingesting of the product : Wash mouth out with water,and get medical aid immediately.Notes to physician: Treat supportively and symptomatically.
In addition, Diethyl (2-(triethoxysilyl)ethyl)phosphonate (CAS NO.757-44-8) can be stable under normal temperature and pressure conditions.It is not compatible with strong oxidizing agents, and you must not take it with incompatible materials. And also prevent it to broken down into hazardous decomposition products: carbon monoxide, oxides of phosphorus, carbon dioxide.
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