Linolenic acid

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Description

An unsaturated fatty acid (C18) that is a component of many vegetable oils such as oil linseed, oil soybean, oil corn, oil sunflower, oil safflower, seed oil poppy seed, and oil perilla. Linolenic acid is one component that makes an oil a 'oil drying oil'. The three double bonds in linolenic acid readily oxidize in air to produce a hardened, insoluble film.

Synonyms and Related Terms

9, 12, 15-octadecatrienoic acid; cido linolnico (Esp.); acido linolenico (It); cis,cis,cis-6,9,12 octatrienoic acid

Chemical structure

Linolenic acid.jpg


Other Properties

Soluble inorganic solvents. Insoluble in water.

Composition C17H29COOH
CAS 463-40-1
Melting Point -11
Density 0.9140
Molecular Weight mol. wt. = 278.42
Boiling Point 230-232

Hazards and Safety

Combustible.

Fisher Scientific: MSDS

Authority

  • G.S.Brady, G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 313
  • Richard S. Lewis, Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
  • Random House, 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 5529
  • The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998

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