Description
Specifications Table
Product Name – Germanium tetrachloride, 99.99%, (trace metal basis)
Quantity/Pack Size – 5GR, 25GR, 100GR
Form – Liquid
Grade – 99.99% (trace metal basis)
Application – Semiconductor doping, fiber optics, germanium metal production
Product Overview
Germanium tetrachloride (GeCl₄) at 99.99% purity (trace metal basis) is a high-grade chemical compound essential for advanced laboratory and industrial applications. This colorless to pale yellow liquid is highly reactive with moisture, making it a critical reagent in semiconductor manufacturing, fiber optic production, and germanium metal synthesis. Its ultra-low impurity profile ensures consistent performance in precision processes where trace metal contamination must be minimized. The compound’s volatility and hydrolytic sensitivity require careful handling under inert conditions, typically in a glove box or fume hood. As a precursor for germanium dioxide (GeO₂) deposition, it plays a key role in thin-film technologies and optical coatings. The trace metal basis certification guarantees minimal interference from metallic contaminants, making it suitable for high-purity applications in electronics and materials science. Storage in tightly sealed, moisture-resistant containers is mandatory to prevent decomposition and maintain its high reactivity. This product is designed for researchers and professionals demanding exceptional purity and reliability in their chemical processes.
FAQs
1. What is the shelf life of germanium tetrachloride when stored properly?
When stored in a cool, dry place under inert gas (nitrogen or argon) in tightly sealed containers, germanium tetrachloride remains stable for up to 2 years. Exposure to moisture or air accelerates decomposition, forming germanium oxide and hydrochloric acid fumes.
2. Is this product compatible with standard glass laboratory equipment?
Germanium tetrachloride reacts with moisture, so it can corrode standard glassware over time. Use borosilicate glass or PTFE-lined containers for storage and handling. Always ensure equipment is thoroughly dried and purged with inert gas before use.
3. What alternatives exist for germanium doping in semiconductor applications?
Alternatives include germanium tetraethoxide (Ge(OC₂H₅)₄) for sol-gel processes or germanium dioxide (GeO₂) for solid-state doping. However, germanium tetrachloride is preferred for CVD (chemical vapor deposition) due to its high volatility and purity.
4. How should spills of germanium tetrachloride be handled?
Immediately contain the spill using inert absorbents like sand or vermiculite. Neutralize with sodium bicarbonate solution (10% w/v) under a fume hood, then collect residues in a sealed, labeled hazardous waste container. Avoid water contact to prevent toxic HCl gas release.
5. Can this product be used for germanium nanoparticle synthesis?
Yes, germanium tetrachloride is a common precursor for germanium nanoparticle synthesis via reduction methods (e.g., using hydrazine or sodium borohydride). Its high purity ensures minimal contamination in nanoscale applications, but strict inert conditions are required to prevent oxidation.
