| polyoxyl 50 stearate |
a mixture of the mono- and distearate esters of mixed polyoxyethylene diols and the corresponding free diols, the average polymer length being equivalent to about 50 oxyethylene units, occurring as a soft, cream-colored, waxy solid; used as a surfactant and emulsifying agent in pharmaceutical preparations. Called also polyoxyethylene 50 stearate.
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