| Property |
LPG (Liquefied Petroleum Gas) |
Crude Oil Derivatives |
| State at Room Temperature |
Gas (liquefied under pressure) |
Liquid |
| Color |
Colorless to pale yellow |
Varies (clear to dark brown/black) |
| Odor |
Odorless (odorant added for detection) |
Varies (often petroleum smell) |
| Boiling Point |
-42°C to -0.5°C (depends on composition) |
Varies widely (e.g., gasoline: ~40-205°C, diesel: 180-360°C) |
| Density |
~0.5-0.6 kg/L (liquid form) |
0.7 - 0.95 kg/L (depending on type) |
| Viscosity |
Low |
Varies (gasoline: very low; heavy fuel oil: high) |
| Flash Point |
-104°C to -60°C |
Varies (gasoline: -45°C; diesel: >52°C) |
| Specific Gravity |
0.55 - 0.60 |
0.7 - 0.95 |
| Energy Content |
~46 MJ/kg |
Gasoline ~44 MJ/kg, Diesel ~45 MJ/kg |
| Solubility in Water |
Insoluble |
Insoluble |
| Composition |
Mainly propane (C3H8) and butane (C4H10) |
Mixture of hydrocarbons (C5-C40+) |
