Lanolin Alcohols
Title: Lanolin Alcohols
CAS Registry Number: 8027-33-6
Additional Names: Wool alcohols
Trademarks: Amerchol 400 (Amerchol); Ceralan (Amerchol); Emery 1780 (Henkel); Eucerin (Beiersdorf); Fancol LA (Fanning); Hartolan (Croda); Ritawax (R.I.T.A.)
Literature References: Complex combination of organic alcohols obtained by the saponification of lanolin. Composed of monohydric and dihydric aliphatic alcohols and sterols, primarily cholesterol and lanosterol, q.q.v. Prepn: L. I. Conrad, K. Motiuk, J. Soc. Cosmet. Chem. 6, 344 (1955). Composition: M. L. Schlossman, J. P. McCarthy, Contact Dermatitis 5, 65 (1979). Clinical evaluation of moisturizing capacity: J. Sindhvananda et al., J. Soc. Cosmet. Chem. 44, 279 (1993).
Properties: Golden-brown solid, plastic when warm, but brittle when cold; faint characteristic odor. mp >56°. Practically insol in water. Very slightly sol in alcohol; sol in ether, chloroform and light petroleum.
Melting point: mp >56°
 
Derivative Type: Acetylated Lanolin Alcohols
CAS Registry Number: 61788-49-6
Trademarks: Acetulan (Amerchol); Fancol ALA (Fanning)
Properties: Pale yellow, practically odorless liquid. Sp gr at 25°: 0.867. Neutral to litmus. Acid no. 0.35. Hydroxyl no. 2.0. Saponification no. 190.0. Hydrophobic, practically insol in water with no emulsification. Miscible with mineral oil, castor oil, vegetable oils, isopropanol, 95% ethanol, isopropyl myristate, isopropyl palmitate, butyl stearate.
 
Use: Emulsifier, stabilizer, emollient and lubricant in cosmetics, toiletries and pharmaceuticals.

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