Polypropylene Glycol 11 Stearyl Ether

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C₁₈H₃₈O(C₃H₆O)_n, where the average value of n is 11. Poly[oxy(methyl-1,2-ethanediyl)], α-octadecyl-ω-hydroxy-;
Polypropylene glycol monooctadecyl ether;
Polyoxypropylene 11 stearyl ether [25231-21-4]

DEFINITION

Polypropylene Glycol 11 Stearyl Ether is a mixture of ethers of polypropylene glycol with linear alcohols, mainly stearyl alcohol, obtained by the reaction of stearyl alcohol with propylene oxide. It may contain some free polypropylene glycol and various amounts of free stearyl alcohol. The number of moles of propylene oxide reacted per mole of stearyl alcohol is 11 (nominal value). It contains NLT 96.0% and NMT 104.0% of polypropylene glycol 11 stearyl ether, calculated on the anhydrous basis. A suitable antioxidant may be added.

USP REFERENCE STANDARDS FOR PURCHASE

USP Polypropylene Glycol 11 Stearyl Ether RS
USP Stearyl Alcohol RS

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