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A colorless, flammable, hydrocarbon gas. Propane occurs in crude petroleum and natural gas. It is used as a fuel, aerosol propellant, and refrigerant.

Synonyms and Related Terms

dimethylmethane, propyl hydride; bottled gas


  • Flammable, dangerous fire risk.
  • Asphyxiating.
  • Ferrell Gas: SDS

Physical and Chemical Properties

Soluble in ether, ethanol. Slightly soluble in water.

Composition C3H8
CAS 74-98-6
Melting Point -189.9 C
Molecular Weight mol. wt. = 44.1
Boiling Point -42.5 C

Resources and Citations

  • G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 595
  • Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
  • Michael McCann, Artist Beware, Watson-Guptill Publications, New York City, 1979
  • Robert Fournier, Illustrated Dictionary of Practical Pottery, Chilton Book Company, Radnor, PA, 1992
  • Random House, Webster's Encyclopedic Unabridged Dictionary of the English Language, Grammercy Book, New York, 1997
  • The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 7982