Industrial chemistry
Propane
CAS No.: 74-98-6
Molecular formula: C3H8
Other Names: Propane
Propane is a three-carbon alkane with the molecular formula C3H8, normally a gas, but compressible to a transportable liquid. A by-product of natural gas processing and petroleum refining, it is commonly used as a fuel for engines, oxy-gas torches, barbecues, portable stoves and residential central heating. Propane is one of a group of liquefied petroleum gases (LP gases). The others include butane, propylene, butadiene, butylene, isobutylene and mixtures thereof.
Propane is mainly used as:
• Mixed refrigerant,
• Fuels,
• Propellant,
• Food additives,
• The raw materials for the production of propylene and solvents.
Physical properties:
| Molar mass | g/mol | 44.11 |
| Boiling Point | °C | -42.25 |
| Melting Point | °C | -185.89 |
| Critical temperature | °C | 96.6 |
| Flash point | °C | -104 |
| Vapor Pressure | kPa | 853.16 |
| Density | mg/ml | 2.0098 |
| Liquid density, 250C | g/cm3 | 0.493 |
| Specific heat capacity | J/K*mol | 73.60 |
| Solubility in water | Mg/l | 40 |
| Explosive limits | % | 2.37-9.5 |
| GWP | 3.3 | |
| ODP | 0 |
Quality standard:
| Purity | % | 99,95 |
| Moisture | ppm | 0.001 |
| Acidity | ppm | 0.0001 |
| Appearance | Colorless |
Package:
• 400 g/ cylinder,
• 12 cylinders/ cartoon box,
• 17004 cylinders/ 20’ft.