Description
| Product Name: Methane CH4 | |||||
| Packing: 40L, 47L, 50L cylinder (GB, ISO, DOT) | |||||
| Filling Content: 13.5 MPA | |||||
| Items | Specifications | ||||
| CH4 | 99.9% | 99.99% | 99.995% | 99.999% | 99.9999% |
| O2 | ≤50 ppmv | ≤10 ppmv | ≤5 ppmv | ≤1 ppmv | ≤0.25 ppmv |
| N2 | ≤250 ppmv | ≤35 ppmv | ≤15 ppmv | ≤4 ppmv | ≤0.25 ppmv |
| CO2 | ≤2 ppmv | ≤0.02 ppmv | |||
| CO | ≤1 ppmv | ≤0.02 ppmv | |||
| H2O | ≤50 ppmv | ≤10 ppmv | ≤5 ppmv | ≤1.0 ppmv | ≤0.5 ppmv |
| C2H6 | ≤600 ppmv | ≤25 ppmv | ≤15 ppmv | ≤3 ppmv | ≤0.02 ppmv |
| C2H4 | ≤1 ppmv | ≤0.02 ppmv | |||
| H2 | ≤50 ppmv | ≤10 ppmv | ≤5 ppmv | ≤1 ppmv | ≤0.02 ppmv |
| C3H8 | ≤1 ppmv | ≤0.02 ppmv | |||
| C3H6 | ≤1 ppmv | ≤0.02 ppmv | |||
| Transportation | |||||
| DOT Shipping Name | Methane, Compressed | ||||
| DOT Classification | 2.1 | ||||
| DOT Label | Flammable Gas | ||||
| UN Number | UN 1971 | ||||
| CAS No. | 74-82-8 | ||||
| CGA/DISS /BS341/DIN477 | 350/W22-14L/NO.4/NO.1 | ||||
| Shipped as | Compressed Gas | ||||
| Technical Information | |||||
| Cylinder State @ 21.1°C | Gas | ||||
| Flammable Limits In Air | 5–15.0 % | ||||
| Auto Ignition Temperature (°C ) | 580 | ||||
| Molecular Weight (g/mol) | 16.043 | ||||
| Specific gravity (air =1) | 0.555 | ||||
| Critical Temperature ( °C ) | -82.57 | ||||
| Applications | |||||
| In the manufacturing of calibration mixtures used in natural gas，petrochemicals， environmental applications. | |||||
