Propane Facts
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  • Posted March 26, 2013

Propane Facts

Propane is liquefied petroleum gas that is derived from both oil and natural gas refineries. Propane naturally occurs as a gas but can be converted to its liquid form under high pressure.

When liquefied, propane can be compressed down to approximately 250 times its volume. Hence its stored, marketed and transported in its liquid form. When unpressurised (e.g. when the propane tank valve is opened), it returns to its gas form and can then be used.


The chemical formula for propane is C3H8 - 3 Carbon molecules and 8 Hydrogen molecules. It has a boiling point of -44 degrees Fahrenheit and 1 gallon of liquid propane weighs roughly 4.2 lbs.

Propane has a flash point of -156 degrees Fahrenheit and produces roughly 91,547 BTU (British Thermal units) of energy per gallon.

Propane Prices

Propane is used in homes primarily for heating purposes but is also used as a source for heating water, drying clothes and cooking - both in kitchen ranges and barbecue grills.

Although propane is extracted from both crude oil and natural gas, its price seems to track the price of crude more closely. Propane consumption generally tends to be seasonal and is higher in the winter months.

Propane Facts


Propane is typically delivered to homes via tanker trucks operated by independent propane dealers in local markets. Upon delivery it is stored in above-ground storage tanks which are outside homes. These storage tanks can hold between 500 & 1000 gallons of propane.

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