- Tetraethyl ammonium chloride
- TETRAETHYL GERMANE
- TETRAETHYL LEAD
- Tetraethyl methylenediphosphonate
- Tetraethylammonium
- Tetraethylammonium acetate
- Tetraethylammonium borohydride
- Tetraethylammonium bromide
- Tetraethylammonium fluoride dihydrate
- Tetraethylammonium fluoride hydrate
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Cas Database |
| Name |
TETRAETHYL GERMANE |
EINECS | 209-905-7 |
| CAS No. | 597-63-7 | Density | g/cm3 |
| PSA | 0.00000 | LogP | 3.51480 |
| Solubility | N/A | Melting Point |
-90 °C
|
| Formula | C8H20 Ge | Boiling Point |
163-164 °C(lit.) |
| Molecular Weight | 188.837 | Flash Point | 44.2°C |
| Transport Information | N/A | Appearance | clear colorless liquid |
| Safety | Moderately toxic by ingestion and intraperitoneal routes. Animal experiments show stimulation of blood formation. When heated to decomposition it emits acrid smoke and irritating fumes. See also GERMANIUM COMPOUNDS. | Risk Codes | 10-22-36/37/38 |
| Molecular Structure |
|
Hazard Symbols | Xn |
| Synonyms |
NSC 65800;Tetraethylgermane; Tetraethylgermanium |
Article Data | 42 |
TETRAETHYL GERMANE Synthetic route
| Conditions | Yield |
|---|---|
| In tetrahydrofuran addn. of soln. of C2H5Br in THF to soln. of Yb complex in THF at 20°C; YbBr2*2THF as ppt., detection of (C2H5)4Ge by gas-liquid chromatography as volatile product; | A 91% B 95% |
- 112712-64-8
tris(1,2-benzenediolato-O,O′)germanate
- 925-90-6
ethylmagnesium bromide
- 597-63-7
tetraethylgermane
| Conditions | Yield |
|---|---|
| In diethyl ether (N2); added dropwise a soln. of C2H5MgBr to a suspn. of Ge-compound at room temp.; stirred for 30 min; hydrolyzed; extracted with ether; washed with water; dried over MgSO4; evapd.; | 83% |
| In diethyl ether potassium tris(1,2-benzenediolato)germanate and 4 equiv EtMgBr in Et2O at 20°C for 0.5 h; | 83% |
- 22719-43-3, 2370-18-5
Coppinger's Radikal
- 925-90-6
ethylmagnesium bromide
- 1184-65-2
germanium hydride trichloride
A
- 597-63-7
tetraethylgermane
B
- 993-62-4
hexaethyldigermane
C
- 13937-05-8
octaethyltrigermane
| Conditions | Yield |
|---|---|
| With water In tetrahydrofuran treatment od reaction mixt. in THF with excess EtMgBr, hydrolysis; extn. (ether), drying over Na2SO4; identification of individual compds.; | A 80% B 20% C <1 |
| Conditions | Yield |
|---|---|
| germylene heated with EtBr at 130°C for 15 h in a sealed tube was treated with EtMgBr, Ar atm.; hydrolyse, distn.; | 79% |
| Conditions | Yield |
|---|---|
| With magnesium In tetrahydrofuran (N2); heated a suspn. of Mg and Ge-compound under stirring to 50-55°C; added dropwise a soln. of ethyl bromide; refluxed under stirring for 2 h; cooled; added ether; evapd.; distd.; | 78% |
- 110577-18-9
germanium(II) bis(3,5-di-tert-butyl-1,2-semiquinonate)
- 925-90-6
ethylmagnesium bromide
- 1184-65-2
germanium hydride trichloride
A
- 597-63-7
tetraethylgermane
B
- 993-62-4
hexaethyldigermane
C
- 13937-05-8
octaethyltrigermane
| Conditions | Yield |
|---|---|
| With water In benzene heating reaction mixt. in C6H6 (tube fused, 48 h, 80°C), treatment with EtMgBr soln. (ether), hydrolysis; drying (Na2SO4), mixt. chromy.; | A 70% B 25% C 5% |
| Conditions | Yield |
|---|---|
| 69% |
- 75-77-4
chloro-trimethyl-silane
- 6727-87-3
triethylgermyllithium
- 104585-84-4
trimethylsilyldiethylgermyllithium
- 597-63-7
tetraethylgermane
| Conditions | Yield |
|---|---|
| With water In N,N,N,N,N,N-hexamethylphosphoric triamide Equimolar mixt. of Et3GeLi and Me3SiGeEt2Li in HMPA is stirred for 94 h at 25°C, then Me3SiCl and water are added.; extn. with ether; | 69% |
| Conditions | Yield |
|---|---|
| Inert atmosphere; | 63% |
| Conditions | Yield |
|---|---|
| Inert atmosphere; | 52% |
TETRAETHYL GERMANE Chemical Properties
Product Name: Tetraethyl germane (CAS NO.597-63-7)
Molecular Formula: C8H20Ge
Molecular Weight: 188.88g/mol
Mol File: 597-63-7.mol
Einecs: 209-905-7
Appearance: Clear colorless liquid
Melting Point: -90 °C
Boiling point: 164.9 °C at 760 mmHg
Storage Temperature: Flammables area
Flash Point: 44.2 °C
Density: 0.998 g/mL at 25 °C(lit.)
Refractive index: n20/D 1.442(lit.)
Enthalpy of Vaporization: 38.49 kJ/mol
Vapour Pressure: 2.53 mmHg at 25°C
H-Bond Donor: 0
H-Bond Acceptor: 0
Product Categories: Classes of Metal Compounds; Ge (Germanium) Compounds; Semimetal Compounds; GermaniumOrganometallic Reagents; Organogermanium; Others; Precursors by Metal; Vapor Deposition Precursors
TETRAETHYL GERMANE Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| mouse | LD50 | intraperitoneal | 3580mg/kg (3580mg/kg) | "Investigations in the Field of Organogermanium Chemistry," Rijkens, F., and G.J.M. Van Der Kerk, Utrecht, Netherlands, Schotanus & Jens Utrecht N.V., 1964Vol. -, Pg. 95, 1964. | |
| mouse | LD50 | oral | 2870mg/kg (2870mg/kg) | "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986Vol. -, Pg. 1241, 1986. | |
| rat | LD50 | intraperitoneal | 780mg/kg (780mg/kg) | "Investigations in the Field of Organogermanium Chemistry," Rijkens, F., and G.J.M. Van Der Kerk, Utrecht, Netherlands, Schotanus & Jens Utrecht N.V., 1964Vol. -, Pg. 95, 1964. | |
| rat | LD50 | intravenous | 460mg/kg (460mg/kg) | "Investigations in the Field of Organogermanium Chemistry," Rijkens, F., and G.J.M. Van Der Kerk, Utrecht, Netherlands, Schotanus & Jens Utrecht N.V., 1964Vol. -, Pg. 95, 1964. | |
| rat | LD50 | oral | 700mg/kg (700mg/kg) | "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986Vol. -, Pg. 1241, 1986. |
TETRAETHYL GERMANE Consensus Reports
Reported in EPA TSCA Inventory.
TETRAETHYL GERMANE Safety Profile
Moderately toxic by ingestion and intraperitoneal routes. Animal experiments show stimulation of blood formation. When heated to decomposition it emits acrid smoke and irritating fumes.See also GERMANIUM COMPOUNDS.
Safety Information of Tetraethyl germane (CAS NO.597-63-7):
Hazard Codes: Xn.gif){kind=small}
Risk Statements: 10-22-36/37/38
10: Flammable
22: Harmful if swallowed
36: Irritating to the eyes
37: Irritating to the respiratory system
38: Irritating to the skin
Safety Statements: 16-26-36
16: Keep away from sources of ignition - No smoking
26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
36: Wear suitable protective clothing
TETRAETHYL GERMANE Specification
Tetraethyl germane ,its CAS NO. is 597-63-7,the synonyms is Tetraethylgermane ; Tetraethylgermanium ; (C2H5)4Ge ; Tetraethyl-german ; Tetraethyl-germaniu ; Germanium tetraethyl ; Tetraethylgermanium liq .
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