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N-Butane - ( C4H10 )
N-butane is a colorless ,flammable and liquefied gas with a faint odor.
| Specifications | |||
| Purity , % | 99.5 | 99.95 | 99.99 |
| Oxygen | ≤ 10 ppm | ≤ 10 ppm | ≤ 5 ppm |
| Nitrogen | ≤ 40 ppm | ≤ 20 ppm | |
| Ethane | ≤ 100 ppm | ||
| Isobutane | ≤ 0.3% | ||
| Propane | ≤ 400 ppm | ||
| Neo-pentane | ≤ 0.1% | ||
| Isopentane | ≤ 0.1% | ||
| Other Hydrocarbons | ≤ 500 ppm | ≤ 90 ppm | |
| Water | ≤ 5 ppm | ≤ 3 ppm | ≤ 3 ppm |
| Sulfur | ≤ 0.5 ppm | ≤ 1 ppm | ≤ 1 ppm |
| Ship | |||
| DOT Shipping Name | Butane Gas | ||
| DOT Classification | 2.1 | ||
| DOT Label | Flammable Gas | ||
| UN Number | UN 1011 | ||
| CAS No. | 106-97-8 | ||
| CGA/JIS /BS341/DIN477 | 510/W22-14L/NO.9/NO.1 | ||
| Shipped as | Liquefied Gas | ||
| Technical Information | |||
| Cylinder State @ 21.1°C | Liquid | ||
| Flammable Limits In Air | 1.8–8.4 % | ||
| Auto Ignition Temperature (°C ) | 405 | ||
| Molecular Weight (g/mol) | 58.124 | ||
| Specific gravity (air =1) | 2.007 | ||
| Critical Temperature ( °C ) | 152.03 | ||
| Critical Pressure ( psig ) | 536.01 | ||
| Applications | |||
|
· As a component in calibration gas mixtures for environmental monitoring systems. · As a propellant . · As a solvent. | |||