Difference between revisions of "Linolenic acid"
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== Description == | == Description == | ||
| − | An unsaturated fatty acid (C18) that is a component of many vegetable oils such as [http://cameo.mfa.org/materials/fullrecord.asp?name=linseed | + | An unsaturated fatty acid (C18) that is a component of many vegetable oils such as [http://cameo.mfa.org/materials/fullrecord.asp?name=linseed%20oil linseed], [http://cameo.mfa.org/materials/fullrecord.asp?name=soybean%20oil soybean], [http://cameo.mfa.org/materials/fullrecord.asp?name=corn%20oil corn], [http://cameo.mfa.org/materials/fullrecord.asp?name=sunflower%20oil sunflower], [http://cameo.mfa.org/materials/fullrecord.asp?name=safflower%20oil safflower], [http://cameo.mfa.org/materials/fullrecord.asp?name=poppy%20seed%20oil poppy seed], and [http://cameo.mfa.org/materials/fullrecord.asp?name=perilla%20oil perilla]. Linolenic acid is one component that makes an oil a '[http://cameo.mfa.org/materials/fullrecord.asp?name=drying%20oil drying oil]'. The three double bonds in linolenic acid readily oxidize in air to produce a hardened, insoluble film. |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
| − | 9, 12, 15-octadecatrienoic acid; | + | 9, 12, 15-octadecatrienoic acid; ácido linolénico (Esp.); acido linolenico (It); cis,cis,cis-6,9,12 octatrienoic acid |
[[[SliderGallery rightalign|linolenic acid.jpg~Chemical structure]]] | [[[SliderGallery rightalign|linolenic acid.jpg~Chemical structure]]] | ||
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== Authority == | == 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 Merck Index'', Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 5529 | ||
Revision as of 06:47, 24 July 2013
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. Linolenic acid is one component that makes an oil a '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; ácido linolénico (Esp.); acido linolenico (It); cis,cis,cis-6,9,12 octatrienoic acid
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, 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