China Factory Best Price Geh4 Cylinder Gas 99.999% High Purity Germane
Product Description
Germane gas is a compound composed of germanium and hydrogen, with the chemical formula GeH4. It is a colorless, flammable, and highly toxic gas. Here are some key points about germane gas:
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Chemical Composition: Germane gas is composed of one germanium atom bonded to four hydrogen atoms (GeH4).
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Properties: Germane gas possesses several important properties:
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Toxicity: Germane gas is highly toxic and can be harmful when inhaled or exposed to the skin. It can cause severe health effects and should be handled with extreme caution.
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Flammability: Germane gas is flammable and forms explosive mixtures with air. It should be kept away from open flames, sparks, or other potential sources of ignition.
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Volatility: Germane gas is a volatile compound, meaning it easily evaporates at room temperature and pressure.
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Production: Germane gas is typically produced by the reaction of germanium tetrachloride (GeCl4) with hydrogen gas (H2) under specific conditions.
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Uses: Germane gas has limited applications due to its toxicity and hazardous nature. Some instances where it is used are:
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Semiconductor Manufacturing: Germane gas is used in the production of semiconductors as a dopant, which modifies the electrical properties of the material. It is introduced into the production process to create germanium-containing layers or structures.
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Research and Development: Germane gas is used in research and development laboratories for various purposes, such as studying germanium compounds and their properties.
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Safety Considerations: Germane gas is highly toxic and poses significant health hazards. It can cause respiratory problems, central nervous system damage, and other severe health effects. Proper safety measures, including the use of appropriate personal protective equipment and the implementation of ventilation systems, should be followed when working with germane gas. Handling and storage of germane gas should adhere to strict safety guidelines and regulations.
It's important to note that due to the toxicity and hazards associated with germane gas, its use and handling are typically restricted to specialized industries and research settings where strict safety protocols can be implemented.
Basic Info.
| Model NO. | GeH4 | Constituent | Germane 99.999% |
| Grade Standard | Electronic Grade | Chemical Property | Inflammable Gas |
| Trademark | CMC | Transport Package | 44L |
| Specification | 99.999 | Origin | China |
| Germane - ( GeH4 ) | |||
| Description | |||
| Germane is a flammable , colorless gas with characteristic pungent ,nauseating odor .Its boiling point is - 90°C. It is unstable and can decompose explosively when heated to greater than 330°C. | |||
| Specifications | |||
| Purity , % | 99.999 | ||
| Oxygen + Argon | ≤0.5 ppmv | ||
| Nitrogen | ≤2.0 ppmv | ||
| Carbon Dioxide | ≤2.0 ppmv | ||
| Carbon Monoxide | ≤1.0 ppmv | ||
| Methane | ≤1.0 ppmv | ||
| Water | ≤1.0 ppmv | ||
| Chlorogermanes | ≤5.0 ppmv | ||
| Digermane* | ≤20.0 ppmv | ||
| Germoxanes | ≤5.0 ppmv | ||
| Hydrogen* | ≤50.0 ppmv | ||
| Trigermane | ≤1.0 ppmv | ||
| Ship | |||
| DOT Shipping Name | Germane | ||
| DOT Classification | 2.3 | ||
| DOT Label | Toxic Gas, Flammable Gas | ||
| UN Number | UN2192 | ||
| CAS No. | 7782-65-2 | ||
| CGA/DISS/JIS | 350/632/W22-14L | ||
| Shipped as | Compressed Gas | ||
| Technical Information | |||
| Cylinder State @ 21.1°C | Gas | ||
| Flammable Limits In Air | 0.5-100% | ||
| Auto Ignition Temperature (°C ) | 54.4 | ||
| Molecular Weight (g/mol) | 76.62 | ||
| Specific gravity (air =1) | 2.65 | ||
| Critical Temperature ( °C ) | 34.8 | ||
| Critical Pressure ( psig ) | |||
| Applications | |||
| Used for the deposition of epitaxial and amorphous silicon - germanium alloys , and as a component for PECVD of ( Si, Ge )O2 films with controllable refractive index for photonic . |
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