Germanium Metal, Germanium Oxide & Germanium Compounds – Premium High‑Purity Germanium for Semiconductors, Fiber Optics, Infrared Optics & Advanced Electronics (Wholesale Supply)
Germanium Metal, Germanium Oxide & Germanium Compounds – High‑Purity 4N–8N Germanium for Semiconductors, Fiber Optics, Infrared Optics & Advanced Electronics
We supply premium-quality germanium products for semiconductor manufacturing, fiber optic communications, infrared optics, aerospace, defense, renewable energy, electronics, research laboratories, and advanced industrial applications. Our germanium materials are sourced from reputable producers and processed under strict quality control standards to ensure exceptional purity, consistency, and performance.
Germanium is a high-value strategic material used in fiber optic systems, infrared optical components, semiconductor devices, solar energy technologies, radiation detection systems, and precision scientific equipment. Its outstanding optical and electrical properties make it an essential raw material for many high-technology industries.
We provide flexible wholesale solutions ranging from laboratory quantities to large-scale industrial shipments, complete with Certificates of Analysis (COA), export documentation, and dependable worldwide logistics support.
Product Description:
Germanium is a lustrous, brittle, greyish‑white metalloid that behaves as a semiconductor. It is chemically similar to silicon and has become an indispensable material in the semiconductor, fiber optic, infrared optics, and advanced technology industries.
Germanium is not found in its pure form in nature; it is primarily extracted as a by‑product of zinc ore processing and coal combustion. Despite its relatively low crustal abundance, germanium is a critical material for semiconductors, infrared optics, fiber optics, and catalysis. It is transparent to infrared light, making it uniquely valuable for optical materials.
We supply a comprehensive range of high‑purity germanium products in purities from 99.99% (4N) to 99.99999% (7N) and beyond, to meet the stringent requirements of the semiconductor, optics, photonics, and research sectors. Our products are sourced from leading global producers with strict quality control and full supply chain traceability.
Key Applications & End‑Uses:
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Semiconductors: Germanium was the first material used for transistors. When doped with arsenic, gallium, or other elements, it is used as a transistor element in thousands of electronic applications. Germanium is also used in high‑frequency and high‑power electronic devices
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Infrared Optics: Germanium is transparent to infrared light, making it the material of choice for infrared lenses, windows, and detectors used in thermal imaging, night vision, and defense applications
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Fiber Optics: Germanium dioxide is used as a dopant in optical fiber cores to increase the refractive index, enabling high‑speed data transmission over long distances
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Catalysts: Germanium is used as a catalyst in various chemical processes
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Phosphors & Lighting: Germanium is used as a phosphor in fluorescent lamps
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Photovoltaics & Solar Cells: Germanium is used in high‑efficiency multi‑junction solar cells, particularly for space applications
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γ‑Ray Spectroscopy: High‑purity germanium (HPGe) detectors are used for γ‑ray spectroscopy and radiation detection
⚙️ Germanium Metal Specifications
Germanium is typically available in a range of purity grades, each serving specific industrial and research applications:
| Purity Grade | Notation | Minimum Purity | Primary Applications |
|---|---|---|---|
| 4N | 99.99% | ≥99.99% | General industrial applications, alloys, optical materials |
| 5N | 99.999% | ≥99.999% | Semiconductor manufacturing, fiber optics, infrared optics |
| 6N | 99.9999% | ≥99.9999% | High‑performance semiconductors, IR optics, advanced electronics |
| 7N | 99.99999% | ≥99.99999% | Ultra‑high‑purity semiconductor epitaxy, HPGe detectors, critical R&D |
Key Physical Properties:
| Parameter | Value |
|---|---|
| CAS Number | 7440‑56‑4 |
| Formula | Ge |
| Atomic Weight | 72.59 g/mol |
| Appearance | Greyish‑white, lustrous, brittle metalloid |
| Melting Point | 937.4°C (1,719°F) |
| Boiling Point | 2,830°C (5,126°F) |
| Density | 5.323 g/cm³ |
| Thermal Conductivity | 0.602 W/cm/K (at 302.93 K) |
| Crystal Structure | Diamond cubic |
| Conductivity | Semiconductor (p‑type in pure form) |
Typical Impurity Limits (5N / 99.999% – ICP Analysis):
| Impurity | Maximum (ppm) |
|---|---|
| Al | ≤0.5 |
| Cu | ≤0.1 |
| Fe | ≤0.3 |
| Pb | ≤0.1 |
| Si | ≤0.5 |
| Zn | ≤0.1 |
Impurity specifications vary by purity grade and supplier. Full Certificate of Analysis (COA) provided with each batch. Up to 60 trace metal impurities characterized at ppm level.
⚙️ Germanium Dioxide Specifications
Germanium dioxide (GeO₂) is a key precursor for semiconductor manufacturing, fiber optics, and optical materials.
| Parameter | Specification |
|---|---|
| CAS Number | 1310‑53‑8 |
| Formula | GeO₂ |
| Molecular Weight | 104.59 g/mol |
| Purity | 99.99% – 99.9999% (metals basis) |
| Appearance | White powder |
| Density | 6.24 g/cm³ (at 20°C) |
| Refractive Index | 2.05 (tetragonal rutile form) |
| Applications | Optical materials, wide‑angle lenses, microscope objective lenses, fiber optic dopants, semiconductor precursors |
⚙️ Germanium Tetrachloride Specifications
Germanium tetrachloride (GeCl₄) is a crucial intermediate in the production of high‑purity germanium metal and germanium dioxide.
| Parameter | Specification |
|---|---|
| CAS Number | 10038‑98‑9 |
| Formula | GeCl₄ |
| Molecular Weight | 214.42 g/mol |
| Purity | 99.99% – 99.999% (trace metals basis) |
| Appearance | Colorless, fuming liquid |
| Density | 1.84–1.88 g/cm³ |
| Melting Point | −49.5°C |
| Boiling Point | 83°C |
| Vapor Pressure | 76 mm Hg (at 20°C) |
| Storage Temperature | Below +30°C |
| Solubility | Soluble in ether, benzene, chloroform, carbon tetrachloride; insoluble in hydrochloric acid and sulphuric acid |
📦 Available Packaging Options & Sizes
Germanium Metal:
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1kg, 5kg, 10kg vacuum‑sealed bottles / bags
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25kg, 50kg iron drums
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500kg, 1,000kg FIBC bulk bags
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Custom forms: ingots (0.8–1.2 kg), shots, lumps, powders, rods, bars, sheets, wafers, sputtering targets
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Vacuum‑sealed in transparent plastic bags with aluminum foil bag encapsulation, or polyethylene bottles
Germanium Dioxide (GeO₂):
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5g, 10g, 25g, 50g, 100g bottles
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1kg, 5kg, 25kg drums
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Custom quantities available
Germanium Tetrachloride (GeCl₄):
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5g, 25g, 100g glass ampoules / bottles
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1kg, 5kg, 25kg drums (sealed, inert atmosphere)
Wholesale Quantities:
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Full pallets (mixed or single product)
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20ft / 40ft container loads for export
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Custom packaging available upon request
⚠️ Storage & Safety Information
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Germanium Metal: Store in a cool, dry, well‑ventilated area. Keep containers tightly sealed to prevent oxidation. Avoid exposing to air for long periods
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Germanium Dioxide: Store in a dry, sealed container. Not classified as hazardous for transport in bulk powder form
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Germanium Tetrachloride (GeCl₄): Store below +30°C. Handle in a fume hood. Hydrolyzes in water to form hydrochloric acid. Use appropriate PPE (gloves, goggles, acid‑resistant apron)
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Health & Safety: Avoid inhalation of dust/fumes. Use appropriate PPE. Germanium compounds may be toxic; handle with care
📜 HS Code & Tariff Classification
| Product | HS Code | Description |
|---|---|---|
| Germanium Metal & Powders | 8112.92 | Unwrought germanium, hafnium, niobium, rhenium; powders thereof |
| Wrought Germanium & Articles | 8112.99 | Wrought germanium and articles thereof |
| Germanium Oxides | 2825.60 | Germanium oxides and zirconium dioxide |
US HTS Codes:
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8112.92.1000 – Unwrought germanium (including powders)
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2825.60.0000 – Germanium oxides and zirconium dioxide
🌍 Global Supply & Delivery Information
We sell only top original quality products at very good and affordable prices. We have warehouses strategically located in the United States, Europe, and the Middle East, ensuring fast and reliable distribution across these regions.
We can ship worldwide via:
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✈️ Air Freight – Express & rapid delivery
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🚚 Land Transportation – Truck delivery within regions
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🚢 Sea Freight – Cost‑effective for bulk orders
Shipping Options Available:
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Standard International Shipping
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Express Worldwide Delivery
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Full Container Load (FCL) Supply
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Bulk Industrial Shipments
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Dangerous Goods Shipping (for germanium tetrachloride by ground/sea)
We deliver within the United States, Europe, and the Middle East, and we can ship to any destination globally. We support global exports with professional logistics coordination and secure delivery solutions worldwide.
Germanium Products Available
- High Purity Germanium Metal (4N–7N)
- Semiconductor Grade Germanium
- Electronic Grade Germanium
- Optical Grade Germanium
- Germanium Ingots
- Germanium Powder
- Germanium Dioxide (GeO₂)
- Germanium Wafers
- Germanium Crystals
- Germanium Pellets
- Germanium Sputtering Targets
- Ultra High Purity Germanium for Research
Key Features
✔ High-purity germanium products
✔ Semiconductor-grade quality
✔ Optical-grade materials available
✔ Laboratory-tested specifications
✔ Excellent chemical consistency
✔ Suitable for advanced manufacturing
✔ Export-ready packaging
✔ Bulk wholesale availability
✔ Reliable international sourcing
✔ Worldwide logistics support
Product Specifications
| Specification | Details |
|---|---|
| Product Name | Germanium Products |
| Available Grades | Semiconductor Grade, Optical Grade, Electronic Grade, Industrial Grade, Research Grade |
| Product Forms | Metal, Ingots, Powder, Dioxide, Wafers, Crystals, Pellets |
| Purity | 99.99%–99.99999% (varies by product) |
| Packaging | Vacuum-Sealed Containers, Bottles, Fiber Drums, Industrial Packaging |
| Quality Control | Laboratory Tested |
| Storage | Store in clean, dry conditions according to product specifications |
| Export Availability | Subject to applicable regulations |
Industries Served
Suitable for:
- Semiconductor Manufacturers
- Fiber Optic Manufacturers
- Infrared Optics Manufacturers
- Solar Cell Manufacturers
- Aerospace Industry
- Defense Contractors
- Electronics Manufacturers
- Research Laboratories
- Universities
- Medical Imaging Equipment Manufacturers
- Scientific Instrument Companies
- Chemical Manufacturers
- Industrial Distributors
- International Importers
Why Choose Our Germanium Products?
✔ Premium high-purity materials
✔ Reliable global sourcing
✔ Competitive wholesale pricing
✔ Strict quality assurance
✔ Bulk export capability
✔ Flexible packaging solutions
✔ Professional logistics management
✔ Worldwide commercial distribution
✔ Complete export documentation
✔ Dedicated technical and customer support
📞 Wholesale & International Shipping
For quotations, technical specifications, Certificates of Analysis (COA), distributor partnerships, and bulk industrial orders, please contact our sales team.
Worldwide Delivery Available
✈️ Air Freight (where permitted)
🚚 Land Transportation
🚢 Sea Freight
Shipping Options
- Standard International Shipping
- Express Shipping
- Pallet Shipments
- Full Container Loads (FCL)
- Less-than-Container Loads (LCL)
- Long-Term Supply Agreements
We supply semiconductor manufacturers, fiber optic companies, aerospace contractors, defense suppliers, research institutions, electronics manufacturers, industrial distributors, and international importers worldwide.
Note: Certain germanium products may be subject to export controls, import licensing requirements, customs regulations, or strategic trade restrictions depending on the product type, purity level, destination country, and applicable laws. Product availability and shipping methods may vary accordingly.












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