Difference between revisions of "Linoleic acid"
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== Description == | == Description == | ||
| − | An unsaturated fatty acid (C18) that is a component of many vegetable oils such as [ | + | An unsaturated fatty acid (C18) that is a component of many vegetable oils such as [[linseed oil|linseed]], [[soybean oil|soybean]], [[corn oil|corn]], [[sunflower oil|sunflower]], [[safflower oil|safflower]], [[poppy seed oil|poppy seed]], and [[perilla oil|perilla]]. Linoleic acid is one component that makes an oil a '[[drying oil]]'. The two double bonds in linoleic acid readily oxidize in air to produce a hardened, insoluble film. Pure linoleic acid added to paints, coatings, lacquers, and vitamins (as a food supplement). |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
Revision as of 13:56, 21 January 2014
Description
An unsaturated fatty acid (C18) that is a component of many vegetable oils such as linseed, soybean, corn, sunflower, safflower, poppy seed, and perilla. Linoleic acid is one component that makes an oil a 'Drying oil'. The two double bonds in linoleic acid readily oxidize in air to produce a hardened, insoluble film. Pure linoleic acid added to paints, coatings, lacquers, and vitamins (as a food supplement).
Synonyms and Related Terms
cis-9, cis12-octadienoic acid; ácido linoleico (Esp.); acide linoléïque (Fr.); acido linoleico (It); linolic acid
Other Properties
Soluble in ethanol or ether. Insoluble in water.
| Composition | C17H31COOH |
|---|---|
| CAS | 60-33-3 |
| Melting Point | -5 |
| Density | 0.905 |
| Molecular Weight | mol. wt. = 280.44 |
| Boiling Point | 228 |
Hazards and Safety
Combustible. Reacts with oxygen to solidify.
Fisher Scientific: MSDS
Authority
- G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 313
- Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
- 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