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| Category | Details |
|---|---|
| Purity | ≥99.999% (5.0 grade) to ≥99.9999% (6.0 grade), with impurities (O₂, H₂O, CO ≤ 0.1 ppm) |
| Key Applications | – Energy: Fuel cells for vehicles, power generation, and energy storage |
| – Industry: Petrochemical refining (hydrocracking), ammonia production (Haber process), and glass purification | |
| – Electronics: Semiconductor manufacturing (epitaxy, doping) | |
| – Aerospace: Rocket propellant and satellite attitude control | |
| – Research: Nuclear fusion reactors and neutron moderators | |
| Physical Properties | – Lightest gas (0.08988 g/mol) with low density and high thermal conductivity |
| – Flammable range: 4–75% in air; ignites at 500°C (low autoignition temperature) | |
| – Colorless, odorless, and tasteless | |
| Safety Precautions | – Explosion Risk: Avoid leaks/ignition sources (e.g., sparks, static) |
| – Asphyxiation: Displaces oxygen in confined spaces | |
| – Cryogenic Handling: Liquid hydrogen (-253°C) requires insulated containers and protective gear | |
| Storage & Handling | – Compressed gas cylinders (e.g., 50L, 100L) at 200–300 bar pressure |
| – Liquid hydrogen in vacuum-insulated dewars (up to 10.000 liters) | |
| – Store in well-ventilated areas away from oxidizers and heat | |
| Certifications | Compliance with ISO 14687 (fuel cell grade), ASTM D7650. and EU Directives for hydrogen vehicles |
| Environmental Impact | – Zero-emission fuel when used in fuel cells (produces water) |
| – Challenges: Production emissions (gray hydrogen) vs. renewable sources (green hydrogen) |
Declaration: The products displayed on this website are intended exclusively for industrial applications or scientific research. They are not intended for medical, pharmaceutical, or food use. In accordance with applicable laws and regulations, purchasing organizations must hold valid qualifications and approvals.
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