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General name for any isomeric form of the hydrocarbon with the formula C6H14. Hexane is the major component in Ligroin petroleum distillate. It is used as a solvent for oils, fats, waxes, pressure sensitive adhesives, and as a paint thinner.

Note: The physical parameters for normal (straight chain) hexane are provided with this entry.

Synonyms and Related Terms

hexyl hydride; n-hexane


  • Flammable, fire risk.
  • Inhalation can adversely affect nervous system.
  • Skin contact can cause irritation and redness.
  • Cisco Chem: SDS

Physical and Chemical Properties

Soluble in ethanol, acetone and ether. Insoluble in water.

Composition CH3(CH2)4CH3
CAS 100-54-3
Melting Point -95 C
Density 0.65937 g/ml
Molecular Weight mol. wt. = 86.2
Refractive Index 1.37486
Boiling Point 68.742 C


Properties of Common Solvents

Resources and Citations

  • R. J. Gettens, G.L. Stout, Painting Materials, A Short Encyclopaedia, Dover Publications, New York, 1966
  • Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
  • Matt Roberts, Don Etherington, Bookbinding and the Conservation of Books: a Dictionary of Descriptive Terminology, U.S. Government Printing Office, Washington DC, 1982
  • 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 4729; ref. index=1.37486 (mixed isomers)
  • The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998
  • CRC Handbook of Chemistry and Physics, Robert Weast (ed.), CRC Press, Boca Raton, Florida, v. 61, 1980 Comment: ref. index=1.372 (n-hexane)