High purity hydrogen
We are a manufacturer based in China. We specialize in providing high-quality High purity hydrogen for industrial clients across various sectors. Whether you need chemicals consultation or technical support, our team is here to help.
Category：Mineral processing Own Brand：MT /MOQ:100KG /From China/ B2B only.
Introduction
| 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) |
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