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- Name Germanium tetrachloride
- EINECS233-116-7
- CAS No. 10038-98-9
- Density1.844 g/mL at 25 °C
- PSA0.00000
- LogP2.37720
- SolubilityDECOMPOSES
- Melting Point-49.5 °C
- FormulaCl4Ge
- Boiling Point83 °C(lit.)
- Molecular Weight214.402
- Flash Point83.1°C
- Transport InformationUN 3390 6.1/PG 1
- AppearanceColorless transparent oily liquid
- Safety26-27-36-45-8-36/37/39-25
- Risk Codes14-34
- Molecular Structure
- Hazard Symbols
C - SynonymsC
- Article Data111
Germanium tetrachloride Synthetic route
- 7440-56-4
germanium
- 10038-98-9
germaniumtetrachloride
| Conditions | Yield |
|---|---|
| In melt Electrolysis; electrolysis in AlCl3-NaCl-KCl, NaCl-KCl, NaCl-PbCl2, LiCl-KCl, or NaCl-AlCl3 melts;; condensation of the anodic gas; purity 99.9%; | 100% |
| With chloroform In neat (no solvent) react. of evaporated Ge vapor with CHCl3 (at 50°C for 3 h); GLC; | 0.5% |
| With chlorine In neat (no solvent) Ge in small pieces was chlorinated at 460°C; purified by column distn. at 83°C; |
- 594-31-0, 34716-91-1, 20265-29-6
triphenylantimony dichloride
A
- 603-36-1
triphenylantimony
B
- 10038-98-9
germaniumtetrachloride
| Conditions | Yield |
|---|---|
| In toluene byproducts: dioxane; standing (room temperature, 24 h); liquid chromy.; | A 93% B 91% |
B
- 2816-43-5
triphenylgermane
C
- 10038-98-9
germaniumtetrachloride
| Conditions | Yield |
|---|---|
| With hydrogenchloride In toluene byproducts: H2; mixt. keeping for 1 d at room temp. in argon atmosphere or in evac. sealed ampul; ppt. washing; elem. anal., GLC anal., mass spoectroscopy; | A 92% B 51% C n/a |
B
- 2816-43-5
triphenylgermane
C
- 10038-98-9
germaniumtetrachloride
| Conditions | Yield |
|---|---|
| With hydrogenchloride In toluene byproducts: H2; mixt. keeping for 1 d at room temp. in argon atmosphere or in evac. sealed ampul; ppt. washing; elem. anal., GLC anal., mass spoectroscopy; | A 87% B 45% C n/a |
| Conditions | Yield |
|---|---|
| treating Ge(NCO)4 with C6H5PCl2;; | 78% |
| treating Ge(NCO)4 with C6H5PCl2;; | 78% |
| Conditions | Yield |
|---|---|
| In neat (no solvent) distillation with C6H5PCl2;; | 78% |
| In neat (no solvent) distillation with C6H5PCl2;; | 78% |
| Conditions | Yield |
|---|---|
| In neat (no solvent) reaction of gaseous GeF4 with H2O-free AlCl3 in special app. at 210 °C (1 atm);; | 78% |
| In neat (no solvent) reaction of gaseous GeF4 with H2O-free AlCl3 in special app. at 210 °C (1 atm);; | 78% |
| In neat (no solvent) reaction of gaseous GeF4 with H2O-free AlCl3 in special app. at 200 °C (1 atm);; | 43% |
| In neat (no solvent) reaction of gaseous GeF4 with H2O-free AlCl3 in special app. at 200 °C (1 atm);; | 43% |
A
- 83347-99-3
(P(C6H5)3)2PtCl2(Ge(C6H5)3)(H)
B
- 2816-43-5
triphenylgermane
C
- 10038-98-9
germaniumtetrachloride
| Conditions | Yield |
|---|---|
| With hydrogenchloride In toluene byproducts: H2; mixt. keeping for 1 d at room temp. in argon atmosphere or in evac. sealed ampul; ppt. washing, HgCl2 recrystn. (ethanol); elem. anal., GLC anal., mass spoectroscopy; | A 77% B 40% C n/a D 73% |
| Conditions | Yield |
|---|---|
| In neat (no solvent) byproducts: GeCl3Br; distillation of GeBr4 with C6H5PCl2;; product contg. GeCl3Br;; | 57% |
- 56-23-5
tetrachloromethane
- 7440-56-4
germanium
A
- 10038-98-9
germaniumtetrachloride
B
- 25105-16-2
trichloro(trichloromethyl)germane
| Conditions | Yield |
|---|---|
| reaction of germanium atoms with organic halide by co-condensation under vac. at 77 K; GC-MASS; | A 50% B 7% |
| In neat (no solvent) react. of evaporated Ge vapor with CCl4 (at 50°C for 3 h); GLC; | A 1% B 16% |
| With copper In gas vaporization of Ge and Cu (alumina-coated tungsten crucible, 1200-1300°C, 5E-3 Torr), introduction into reaction flask (cooled with liq. N2 during Ge vaporization) together with vapor of organic halide, warming to room temp., standing for 1.5 h; GC-MS, GLC; | A <10 B 12% |
Germanium tetrachloride Consensus Reports
Reported in EPA TSCA Inventory. EPA Genetic Toxicology Program.
Germanium tetrachloride Specification
The IUPAC name of Germanium tetrachloride is Tetrachlorogermane. With the CAS registry number 10038-98-9, it is also can be called as Germanium chloride and Tetrachlorogermane. Its EINECS registry number is 233-116-7. This chemical's molecular formula is Cl4Ge and molecular weight is 214.45. And it belongs to the product category of Inorganics. Germanium tetrachloride is a colourless, fuming liquid with a peculiar, acidic odour. It is used as an intermediate in the production of purified germanium metal.
Properties of Germanium tetrachloride :(1)Vapor Pressure: 76 mm Hg ( 20 °C); (2)Refractive Index: 1.4644; (3)#H bond acceptors: 0; (4)#H bond donors: 0; (5)#Freely Rotating Bonds: 0; (6)Polar Surface Area: Å2.
Preparation of Germanium tetrachloride: This chemical can be prepared by Germanium with Cl2. This reaction needs rectification and condensation.
Ge + 2Cl2 → GeCl4
When you are dealing with this chemical, you should be very careful. This chemical may cause inflammation to the skin or other mucous membranes and may destroy living tissue on contacting. What's more, it may cause burns. Therefore, you should wear suitable protective clothing, gloves and eye/face protection. And you must take off immediately all contaminated clothing. In case of contacting with eyes or skin, you should rinse immediately with plenty of water and seek medical advice.
You can still convert the following datas into molecular structure:
(1)Canonical SMILES: Cl[Ge](Cl)(Cl)Cl;
(2)InChI: InChI=1S/Cl4Ge/c1-5(2,3)4 ;
(3)InChIKey: IEXRMSFAVATTJX-UHFFFAOYSA-N
Toxicity data of Germanium tetrachloride is as following:
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| mouse | LC50 | inhalation | 44gm/m3/2H (44000mg/m3) | SENSE ORGANS AND SPECIAL SENSES: CONJUNCTIVE IRRITATION: EYE BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) LUNGS, THORAX, OR RESPIRATION: OTHER CHANGES | Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 12(5), Pg. 51, 1968. |
| mouse | LD50 | intravenous | 56mg/kg (56mg/kg) | U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. Vol. NX#02625, |
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