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| Product Name: Hydrogen H2 | ||
| Packing: 40L, 44L, 47L, 50L cylinder (GB, ISO, DOT) | ||
| Filling Content: 5m3-6m3 | ||
| Items | Specifications | |
| H2 | 99.999% | 99.9999% |
| O2 | ≤1.0 ppmv | ≤0.05 ppmv |
| N2 | ≤5.0 ppmv | ≤0.2 ppmv |
| CO2 | ≤1.0 ppmv | ≤0.02 ppmv |
| CO | ≤1.0 ppmv | ≤0.02 ppmv |
| CH4 | ≤1.0 ppmv | ≤0.01 ppmv |
| H2O | ≤3.0 ppmv | ≤0.5 ppmv |
| Transportation | ||
| DOT Shipping Name | Hydrogen, Compressed | |
| DOT Classification | 2.1 | |
| DOT Label | Flammable Gas | |
| UN Number | UN 1049 | |
| CAS | 133-74-0 | |
| CGA/DISS/JIS/BS341/DIN477 | 350/724/W22-14L/NO.4/NO.1 | |
| Shipped as | Compressed Gas | |
| Technical Information | ||
| Cylinder State @ 21.1°C | Gas | |
| Flammable Limits In Air | 4–74.5 % | |
| Auto Ignition Temperature (°C ) | 475 | |
| Molecular Weight (g/mol) | 2.016 | |
| Specific gravity (air =1) | 0.071 | |
| Critical Temperature ( °C ) | -239.97 | |
| Critical Pressure ( psig ) | 372.785 | |
| Applications | ||
| · In various analytical instrument applications, most commonly as a fuel component of combustion gases for Flame Ionization and Flame Photometric Detectors. · As a carrier gas in gas chromatography. · In mixtures for heat treatment in metallurgy. · In mixtures for laser applications. · In mixtures for leak detection. · In hydrogenation processes. · In manufacturing of calibration mixtures. · In semiconductor fabrication: carrier gas, especially for silicon deposition. | ||
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