APPEARANCE:LANOLIN is a pale yellow, tenacious, unctuous substance
obtained from the wool of sheep, having a faint but characteristic odor.
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 consists of
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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