Propane Forms ImageWant to know more about propane? Start with its two forms. Propane exists as both a liquid and a vapor.

Here are some quick facts about both states.


  • Exists in this state below its boiling point of -45 degrees F
  • Frequently stored in this state
  • Can freeze animal and plant life if spilled
  • No long-lasting environmental effects if spilled in this state


  • Exists in this state above -45 degrees F
  • Most often used for energy in this state
  • Heavier than air when in this state
  • Sinks to lowest point of the room when there is a leak
  • Flammable in this state
  • Needs the right amount of air to ignite

For more information about propane, check out this article at

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