Spermaceti is a liquid wax, composed mostly of wax esters (chiefly cetyl palmitate) and a smaller proportion of triglycerides, with oleic acid being the most common fatty acid.
The substance was also used in making candles of a standard photometric value, in the dressing of fabrics, and as a pharmaceutical excipient, especially in cerates and ointments. A composite of paraffin and stearic acid became the basic candle stock.…. It has a specific gravity of 0.95-0.96, acid value of not more than 1, Saponification value of 125-136, Iodine value of 3-5 and melting point of 46-50°C. © 1997-2020 LUMITOS AG, All rights reserved, https://www.chemeurope.com/en/encyclopedia/Spermaceti.html, Your browser is not current. Insoluble in water, and nearly so in cold alcohol; soluble in boiling alcohol; also in ether, chloroform, carbon disulphide, fixed and volatile oils; only slightly soluble in cold benzin. Stony corals, which build the coral reefs, contain large amounts of cetyl palmitate wax in their tissues, which may function in part as an antifeedant. Soluble in hot ethanol, ethyl ether, chloroform, oils. [8]. production methods : mainly used extraction. A sperm whale is killed, its spermaceti bailed out, its blubber stripped and boiled in this excerpt from the 1922 movie, Christopher Grayce, NEWTON, Sperm whales' name, ", Doug Lennox, Dundurn Press, 2006, Now You Know: The Book of Answers, ", incorporates text from a publication now in the, https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19720017437.pdf, "Sperm Whales: Social Evolution in the Ocean". By submitting a comment you agree to abide by our Terms and Community Guidelines. The Whaling industry was engaged with the production of three different raw materials: whale oil, spermaceti oil, and whalebone.
Solubility: Practically insoluble in water and ethanol (~750 g/l) TS; soluble in ether R; slightly soluble in hexane R. Category: Stiffening agent. This white waxy solid is the primary constituent of spermaceti, the once highly prized wax found in the skull of sperm whales. The deposit is separated by filtration, pressed, melted, purified from traces of oil with dilute alkali and finally freed from the soaps thus produced and from excess of alkali. The changing distance to the prey affects the time interval between the returning clicks reflected by the prey (Doppler effect). (2016). A large whale could yield as much as 500 gallons. Sperm oil is present in a large head-cavity in … The spermaceti organ is an organ that commonly appears in the heads of toothed whales of the family Physeteroidea, in particular the sperm whale. It was a primary lubricant for machinery, whose expansion through the Industrial Revolution depended upon before the development of petroleum-based lubricants in the second half of the 19th century. 0 = Insoluble 1 = Some Swelling or dissolving 2 = Partially Soluble 3 = Some Residue 4 = Soluble. Physeter macrocephalus are naturally found in the Pacific, Atlantic and Indian Oceans chiefly near the coasts of Mozambique, Zanzibar and Ceylon. On land, the casks were allowed to chill during the winter, causing the spermaceti to congeal into a spongy and viscous mass. 22.9.1.4 Uses of Carnauba Wax. Thus, the global spermaceti wax market is gaining noteworthy demand opportunities from all these industries. Candlepower, a photometric unit defined in the United Kingdom Act of Parliament Metropolitan Gas Act 1860 and adopted at the International Electrotechnical Conference of 1883, was based on the light produced by a pure spermaceti candle.
Spermaceti (from Greek sperma meaning "seed", and ceti, the genitive form of "whale"[1]) is a waxy substance found in the head cavities of the sperm whale (and, in smaller quantities, in the oils of other whales). In the meantime, to ensure continued support, we are displaying the site without styles None of our line of products is soluble in water.
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