LPG Specifications

Typical specification of LPG marketed by TOTALGAZ in Bangladesh

Properties Propane Butane LPG (C3:30% & C4:70%)
General
Physical state at 15°C and 1 atm Gas Gas Gas
Molecular weight (gm/mole) 44.09 58.12 51-54
Boiling Point at 1 atm ( °C) (-) 42.1 (-) 0.5 (-) 13
Freezing point (°C) (-) 187.7 (-) 138.4 (-) 153
Critical Temperature ( °C) 96.67 305.6 243
Critical Pressure ( psia) 616.25 551 570
Auto-Ignition temperature in air at 1 atm (°C) 470 500 490
Color (appearance) Colorless Colorless Colorless
Odor Odorless Odorless Odorless
Toxicity Non toxic Non toxic Non toxic
Liquid
Reid Vapor Pressure (RVP) at 15.6°C ( bars) 12 3.6 5-7
Gross Calorific Value at 15°C ( kcal/kg) 11900 11800 11830
Net Calorific Value at 15°C ( kcal/kg) 10999 10845 10896
Liquid density at 15°C ( kg/litre) 0.51 0.575 0.5550
Specific volume of liquid per Kg at 15 C (litre) 1.96 1.73 1.7990
Specific gravity of liquid at 15°C ( w.r.t water = 1) 0.51 0.575 &0.5555
Vapor
Specific density at 15 C & 1 atm ( kg/m3) 1.55 2.48 2.20
Specific Volume of Gas per kg at 15 C, 1 atm (m3) 0.5 0.38 0.42
Explosive limit ( vol% of vapor in air gas mixture) 2.4 to 9.3 1.8 to 8.8 2 to 9.5
Gross Calorific Value at 15°C, ( kcal/Nm3) 24000 30700 25226.67
Net Calorific Value at 15°C, ( kcal/Nm3) 22600 29000 10896.36
Air required for combustion m3/m3 24 30 28

X

By continuing browsing this website, you accept the use of cookies or other tracers for statistics of visits to optimize the functionality of the site. For more information and for tracers settings.