分散于水中成半乳状溶液,能溶于油及有机溶剂。亲水亲油值HLB8.6。 Span? 20 is a sorbitan monolaurate for use as a wetter, emulsifier, emulsifier O/W, and emulsifier W/O. It is part of a broad range of ester materials including sorbitan esters, mono and diglycerides, and polyoxyethylene sorbitol esters. These nonionic surfactants can function as emulsifiers, detergents, spreading or dispersing agents. It finds wide use in the personal care industry.