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General
Information
Methane is a colorless, odorless, flammable gas. It is a simple
asphyxiant.
Technical Information
| CAS number | 74-82-8 |
| Molecular weight | 16.043 |
| Specific volume | 23.7cf/lb. |
| CGA valve | 350 |
| Lecture bottle valve | 180/110 |
Shipping Information
| Proper shipping name | Methane, compressed |
| DOT Class | 2.1 |
| UN number | 1971 |
| DOT label | Flammable Gas |
| Purity | Cylinder Size | Volume | Pressure |
| (@70°F) | |||
| 99.0% | Lecture bottle | 2 scf | 1800 |
| 99.5% | 16 | 100 scf | 2000 |
| 99.99% | 44 | 300 scf | 2000 |
| 49 | 360 scf | 2400 | |
| or | |||
| 99.999% | *Also available in tube trailers. |
Product Specifications
| Assay: | 99.0% | 99.5% | 99.99% | 99.999% |
| Impurities: | ||||
| Nitrogen | <75 | <10 | ||
| Ethane | <10 | <1 | ||
| Oxygen | <2 | <1 | ||
| Carbon
Monoxide |
<1 | <1 | ||
| Carbon
Dioxide |
<1 | <1 | ||
| C3+ | <1 | <1 | ||
| Sulfur | <1 | <1 | ||
| Moisture | <2 | <1 | ||
| Total Impurities: | <100 | <10 |
All impurities
listed measured in PPM.
All products here are sold on the basis of total impurities.
Impurities may vary slightly. Customer is contacted if specific impurity is
higher than typical.
All measurements are ppm weight unless otherwise stated.