Polyoxyl 40 stearate

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Polyoxyl 40 stearate (PEG 40 stearate) is a nonionic surfactant formed by the esterification of stearic acid with polyethylene glycol (PEG) containing approximately 40 ethoxy units, it is used in pharmaceutical preparations, nanodrug carriers, emulsification systems and biomedical materials. Polyoxyl 40 stearate can serve as a matrix component of solid lipid nanoparticles to achieve controlled release of encapsulated antifungal drugs; it can also act as a base material for solid lipid nanoparticles for vaginal administration, and polymerizable groups can be introduced via modification with acryloyl chloride.

• Data Sheet (266 KB)
• SDS
• COA