TETRAETHYL GERMANE supplier

Name
TETRAETHYLGERMANE
EINECS 209-905-7
CAS No. 597-63-7
Article Data42
CAS DataBase
Density g/cm³
Solubility
Melting Point -90 °C
Formula C8H20 Ge
Boiling Point 163-164 °C(lit.)
Molecular Weight 188.837
Flash Point 44.2°C
Transport Information
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
PSA 0.00000
LogP 3.51480

Synthetic route

: 74-96-4
ethyl bromide

: triethylgermyl ytterbium bromide*2THF

A: 113173-30-1
YbBr2*2(C4H8O)

B: 597-63-7
tetraethylgermane

Conditions

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%

...Expand

: 112712-64-8
tris(1,2-benzenediolato-O,O′)germanate

: 925-90-6
ethylmagnesium bromide

: 597-63-7
tetraethylgermane

Conditions

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

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

...Expand

: 74-96-4
ethyl bromide

: GeCl2*C2H5NC2H4

: 925-90-6
ethylmagnesium bromide

: 597-63-7
tetraethylgermane

Conditions

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%

...Expand

: 74-96-4
ethyl bromide

: 112712-64-8
tris(1,2-benzenediolato-O,O′)germanate

: 597-63-7
tetraethylgermane

Conditions

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

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%

...Expand

: 74-96-4
ethyl bromide

: 119494-29-0
dilithiodiethylgermane

: 597-63-7
tetraethylgermane

Conditions

Conditions	Yield
	69%

: 75-77-4
chloro-trimethyl-silane

: 6727-87-3
triethylgermyllithium

: 104585-84-4
trimethylsilyldiethylgermyllithium

: 597-63-7
tetraethylgermane

Conditions

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%

...Expand

: 925-90-6
ethylmagnesium bromide

: 14165-55-0
tetraethoxygermanium

: 597-63-7
tetraethylgermane

Conditions

Conditions	Yield
Inert atmosphere;	63%

: 925-90-6
ethylmagnesium bromide

: tetramethoxygermanium

: 597-63-7
tetraethylgermane

Conditions

Conditions	Yield
Inert atmosphere;	52%

: 74-96-4
ethyl bromide

: 6727-87-3
triethylgermyllithium

: 1631-46-5
diethylgermane

A: 1188-14-3
Triethylgerman

B: 597-63-7
tetraethylgermane

Conditions

Conditions	Yield
In N,N,N,N,N,N-hexamethylphosphoric triamide Mixt. of Et3GeLi and Et2Ge(H)2 in HMPA is stirred for 10 h at 25°C, then EtBr is added and stirred for 30 min.; Addn. of water and hexane, organic layer is analyzed by GLC.;	A 49% B 51%

...Expand

: difluorogermylene

: 627-44-1
diethylmercury

: 597-63-7
tetraethylgermane

Conditions

Conditions	Yield
In benzene Et2Hg was added to GeF2 in C6H6 at 0°C with stirring, then ambient temp., C2H4Br2 was added, then EtMgBr; hydrolysis, product was not sepd.; mixt. was analyzed by cpv;	49%

: 74-96-4
ethyl bromide

: triethylgermyl samarium bromide*99THF

: 597-63-7
tetraethylgermane

Conditions

Conditions	Yield
In tetrahydrofuran byproducts: SmBr2; addn. of soln. of C2H5Br in THF to soln. of Sm complex in THF at 20°C; SmBr2 as ppt., detection of (C2H5)4Ge by gas-liquid chromatography as volatile product;	45%

: 74-96-4
ethyl bromide

: 1631-46-5
diethylgermane

A: 1188-14-3
Triethylgerman

B: 597-63-7
tetraethylgermane

Conditions

Conditions	Yield
With potassium In tetrahydrofuran; N,N,N,N,N,N-hexamethylphosphoric triamide byproducts: Et2Ge(H)2; Small pieces of K are placed in an ampoule containing HMPA and THF, after stirring for 30 min dissolved Et2Ge(H)2 in THF is gradually added, the react. mixt. is stirred for 24 h, then EtBr is added.; Addn. of water and hexane, organic layer is examined.;	A 42% B 12%
With sodium In tetrahydrofuran; N,N,N,N,N,N-hexamethylphosphoric triamide byproducts: Et2GeH2; Small pieces of Na are placed in an ampoule containing HMPA and THF, after stirring for 30 min dissolved Et2Ge(H)2 in THF is gradually added, the react. mixt. is stirred for 24 h, then EtBr is added.; Addn. of water and hexane, organic layer is examined.;	A 35% B 8%

...Expand

: 925-90-6
ethylmagnesium bromide

: 597-63-7
tetraethylgermane

Conditions

Conditions	Yield
With germanium tetrabromide

: 557-20-0
diethylzinc

: 597-63-7
tetraethylgermane

Conditions

Conditions	Yield
With germaniumtetrachloride

: 97-93-8
triethylaluminum

: 597-63-7
tetraethylgermane

Conditions

Conditions	Yield
With hexane; germaniumtetrachloride; sodium chloride

: 74-96-4
ethyl bromide

: 7664-41-7
ammonia

: 1188-14-3
Triethylgerman

: 597-63-7
tetraethylgermane

Conditions

Conditions	Yield
Reaktion der Kalium-Verbindung;

...Expand

: 925-90-6
ethylmagnesium bromide

germanium tetrachloride: germanium tetrachloride

: 597-63-7
tetraethylgermane

Conditions

Conditions	Yield
With diethyl ether; benzene Zersetzung des Reaktionsgemisches mit Eis und Eisessig;

: 557-20-0
diethylzinc

germanium tetrachloride: germanium tetrachloride

: 597-63-7
tetraethylgermane

: C6H15Al*C9H21N

: 10038-98-9
germaniumtetrachloride

A: C2H5AlCl2*C9H21N

B: 597-63-7
tetraethylgermane

Conditions

Conditions	Yield
at 40℃; for 3h;

...Expand

: 13450-92-5
germanium tetrabromide

: 925-90-6
ethylmagnesium bromide

: 597-63-7
tetraethylgermane

Conditions

Conditions	Yield
In not given Grignard reaction;;
In not given Grignard reaction;;

: 557-20-0
diethylzinc

: 10038-98-9
germaniumtetrachloride

: 597-63-7
tetraethylgermane

Conditions

Conditions	Yield
In not given byproducts: ZnCl2;
In not given byproducts: ZnCl2;

: 13450-92-5
germanium tetrabromide

: 597-63-7
tetraethylgermane

A: 1067-10-3
Bromotriethylgermanium

B: 13314-53-9
diethylgermanium dibromide

Conditions

Conditions	Yield
aluminium bromide other Radiation; a mixt. of GeBr4 and tetraethylgermane in presence of AlBr3 as catalystin a Pyrex tube is irradiated with a light stream of argon for 12 min at atmospheric pressure (microwave irradiation: 300 W) (Ar); identification by (1)H-NMR, gas chromy.;	A 95% B n/a

...Expand

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)	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
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 .

Product Name

TETRAETHYLGERMANE

Synthetic route

TETRAETHYL GERMANE Chemical Properties

TETRAETHYL GERMANE Toxicity Data With Reference

TETRAETHYL GERMANE Consensus Reports

TETRAETHYL GERMANE Safety Profile

TETRAETHYL GERMANE Specification

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