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High purity hydrogen gas
Appearance: Colorless and odorless gas
Molar mass: 2.0157g/mol
Melting point (℃): -259.2
Density: 0.07(-252℃)
Boiling point: -252.8
Flash point: Meaningless
GHS Hazard Classification: Flammable gases, high-pressure compressed gases
Hazard statement: Extremely flammable gas, containing high-pressure gas, which may explode when exposed to heat
Product Details
| No. | Name | Chemical formula | Purity (%) | Pressure (MPa) | Filling capacity (m³/Kg) | Valve threaded outlet |
| 1 | Hydrogen | H2 | 99.9 | 1.1 | 4.4 | W21.8 counter thread |
| 2 | High purity hydrogen gas | H2 | 99.999 | 1.1 | 4.4 | W21.8 counter thread |
| 3 | High purity hydrogen gas | H2 | 99.999 | 9.5 | 1 | W21.8 counter thread |
| Purity | Impurity content (PPM) | Executive standards | Packaging: |
| 99.00% | O2≤4000，N2≤6000，H2ODew point -43 ℃ | GB/T3643.1-2006 | Steel cylinder, container, long tube trailer |
| 99.99% | O2+Ar≤5，N2≤60，CO≤5，CO2≤5，CH4≤10，H2O≤30 | GB/T3634.2-2011 | |
| 99.999% | O2+Ar≤1，N2≤5，CO≤1，CO2≤1，CH4≤1，H2O≤3 | GB/T3634.2-2011 | |
| 99.9999% | O2+Ar≤0.1，N2≤0.1，CO≤0.1，CO2≤0.1，H2O≤0.5,THC≤0.1 | GB/T16942-2009 |
| Breed | Project | Index | ||
| Superior products | First Grade | Second class product | ||
| High purity hydrogen | Hydrogen purity, 10-2 (|/|)≥ | 99.999 | 99.999 | 99.999 |
| Neon content, 10-6 (|/|)≤ | - | - | - | |
| Helium content, 10-6 (|/|)≤ | - | - | - | |
| Oxygen (argon) content, 10-6 (|/|)≤ | 0.5 | 1 | 3 | |
| Nitrogen content, 10-6 (|/|)≤ | 1 | 1 | 6 | |
| Carbon monoxide content, 10-6 (|/|)≤ | 0.1 | 0.2 | 0.5 | |
| Carbon dioxide content, 10-6 (|/|)≤ | 0.1 | 0.2 | 0.5 | |
| Methane content, 10-6 (|/|)≤ | 0.1 | 0.2 | 0.5 | |
| Moisture content, 10-6 (|/|)≤ | 1 | 2 | 3 | |
