Rapeseed oil

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A heavy, pale yellow vegetable oil expressed from the seeds of the Brassica campestris plant. Rapeseed oil is high in unsaturated acids, i.e., oleic, linoleic, and erucic. It is used in lamps, foods, and soft soaps.

Synonyms and Related Terms

Brassica campestris; aceite de colza (Esp.); huile de colza (Fr.); olio di semi di rape (It); rape oil; Colza oil; canola; coleseed oil; ravison oil; Black Sea rape oil

Physical and Chemical Properties

  • Soluble in chloroform, ether, carbon disulfide.
  • Saponification value = 170-177;
  • Iodine value = 97-105.
Melting Point -8 C
Density 0.913-0.917 g/ml
Refractive Index 1.4720-1.4752

Resources and Citations

  • G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 650
  • 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 8289