370 IV. WAXES, HIGHER ALCOHOLS, ETC. 



the optical isomerism. The composition of neutral anhydrous wool fat is 

 summarized in Table 13. 



Table 13 

 Chemical Composition of Anhydrous Wool Fat" 



Constituent P'ornmla M.j)., °C. Per cent 



Esters of cholesterol and fatty al- 

 cohols 73 



Lane acids 48-55 7. 1 



Lanomyristic C13H27COOH 58 . 5-59 . 5 — 



Lanopalmitic dsHaiCOOH 44 . 5-46 — 



Lanostearic CnHasCOOH 54 . 0-56 . — 



Lanoarachidic C19H39COOH 56 . 8-58 . 4 — 



Lanocerotic CasHsiCOOH 78 — 



Monohydro.xy acids 36 . 2 



Lanopalmi'c Ci5H3o(OH)COOH 86-87 — 



Lanoarachic Ci9H38(OH)COOH — — 



Lanocerinic C29H58(OH)COOH — — 



Dihydroxy acids 2.5 



Lanoceric C29H87(OH)2COOH and/or 102.5 — 



C3iH6i(OH).,COOH 103-104 — 



Zoosterols 10.5 



Cholesterol C27H46OH 145-148 — 



7,8-Dihydrocholesterol CjjH.yOH 128-129 — 



Oxycholesterol CotHiiCOH). — 



Unsaid, alcohols 8 



Decenyl CioHisOH — — 



Hendecenyl CnH2iOH — — 



Lanolin alcohol C12H23OH — — 



Lano-octadecyl CisHasOH 42-43 — 



Satd. alcohols 8 



Cetyl C,5H330H 50 — 



Carnaubyl C.2H45OH 68-69 — 



Dihydric alcohol 1 • 8 



Lanyl CnH4o(OH)2 78.5 — 



Free fatty acids 1 



Lanopalmic C,5H3o(OH)COOH 86-87 — 



Lanocerotic CjsHsiCOOH 78 — 



Free Alcohols 25 



Ceryl alcohol C26H53OH — — 



Triterpene alcohols 5 



Agnosterol C30H47OH — — 



7-Lanosterol C30H49OH — — 



Cholesterol C27H45OH — 1 



Lactone < 1 



Lanocerin CsoHjgOj 88 — 



Mineral matter (K2O) <1 



Hydrocarbons 1~2 



" Adapted from A. 11. Warth, The Chemistry and Technology of Waxes, Reinhold, New 

 York, 1947, pp. 78, 79. 



