Kolliphor® P 407 Geismar is supplied as white to slightly yellowish, coarse-grained powder with a waxy consistency. It is soluble in water, ethanol (95%) and isopropanol. It is insoluble in ether, paraffin and fatty oils. Benefits: • HLB value between 18-23 • It is primarily used as thickening agents and gel formers but also as wetting agents, as emulsifiers and solubilizers • It shows characteristic property of thermoreversible gelation upon cooling or heating