Cottonseed oil

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A pale yellow, semidrying oil expressed from seeds of Cotton plants, such as Gossypium herbaceum. Cottonseed oil primarily contains glycerides of palmitic (23.4%), oleic 22.9%), linoleic (47.8%), stearic (1.1%), and myristic (1.4%) acids. It is odorless. Cottonseed oil is used for food, Leather dressing, Soap, lubricants, cosmetics, and in waterproofing treatments.




  • Combustible. Flash point = 228 C (442 F)
  • thermoFisher: SDS

Physical and Chemical Properties

Soluble in ether, benzene, chloroform, carbon disulfide. Slightly soluble in ethanol. Insoluble in water. Saponification number = 190-198. Iodine value = 105-116.

CAS 8001-29-4
Melting Point -1.0 C
Density 0.915-0.921 g/ml
Refractive Index 1.4645-1.4655

Resources and Citations

  • Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
  • The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry #2622
  • G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 249
  • M. Doerner, The Materials of the Artist, Harcourt, Brace & Co., 1934
  • Random House, Webster's Encyclopedic Unabridged Dictionary of the English Language, Grammercy Book, New York, 1997
  • 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: melting point = -1.0, density=0.917, ref. index = 1.4735, iodine value=165.7, saponification value = 194.3

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