China Factory Germane 99.999% High Quality Geh4 Cylinder Gas Germane
Product Description
Germane gas (GeH4) is a colorless, flammable, and highly toxic gas. It is a compound of the element germanium (Ge) with hydrogen (H). 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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Flammability: Germane is highly flammable and can ignite in the presence of an ignition source, such as a flame or spark.
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Toxicity: Germane gas is highly toxic and poses serious health risks if inhaled or exposed to the skin. It can cause severe respiratory and neurological effects.
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Odor: Germane gas has a disagreeable odor, described as similar to that of rotten eggs.
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Instability: Germane gas is unstable and can decompose at high temperatures or when exposed to certain catalysts.
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Production: Germane gas can be produced through various methods, including the reaction of germanium tetrachloride (GeCl4) with hydrogen gas (H2) at high temperatures.
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Uses: Germane gas has limited practical applications due to its high toxicity and flammability. However, it is used in certain specialized areas:
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Semiconductor Industry: Germane gas is used in the production of germanium-based semiconductors. It can be used as a precursor for chemical vapor deposition (CVD), a technique used to deposit thin films of germanium on substrates for electronic devices.
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Research and Laboratory Settings: Germane gas is used in research laboratories for experimental purposes, such as studying germanium chemistry and synthesizing germanium-containing compounds.
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Safety Considerations: Germane gas is highly hazardous and requires strict safety precautions:
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Toxicity: Germane gas is highly toxic and can cause severe health effects. It should be handled with extreme caution, and exposure to the gas or its decomposition products should be avoided.
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Flammability: Germane gas is highly flammable and can form explosive mixtures with air. It should be stored and handled in accordance with proper flammable gas safety practices.
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Ventilation: Germane gas should only be used in well-ventilated areas or under controlled conditions in specialized equipment such as fume hoods.
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Personal Protective Equipment (PPE): When working with germane gas, appropriate PPE, such as gloves, protective clothing, and respiratory protection, should be used to minimize the risk of exposure.
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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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