APPEARANCE:LANOLIN is a pale yellow, tenacious, unctuous substance obtained
from the wool of sheep, having a faint but characteristicodor. When melted,
it is a clear or almost clear yellow liquid.SOLUBILITY:practically insoluble in
water, slightly soluble in boiling anhydrous ethanol.
Lanolin is also called wool fat, wool wax or wool grease. As lanolin lacks glycerides
(glycerol esters), it is not a true fat.Lanolin primarily consistsof sterol esters instead.
Lanolin is classified chemically as a wax, being a complex mixture of naturally
occurring esters and poly-esters of 33 high molecular weight alcohols
(principally sterols) and 36 fatty acids. It is 98% ester minimum, of which the fatty
alcohols and fatty acids comprise an approximately 50/50 ratio.
TYPICAL COMPOSITION OF LANOLIN
Esters of sterols and triterpene alcohols
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