Poloxamer 188 (Lutrol® F68) is a non-ionic block copolymer composed of polyoxyethylene and polyoxypropylene. It is a white, waxy solid with a molecular weight range of 7,680 to 9,510 g/mol. Poloxamer 188 functions as a surfactant, emulsifier, and dispersing agent in various laboratory and industrial applications.

100g and 250g lot sizes supplied in foil pouches for ease of shipping.