Cremophor® RH 40
PEG-40 Hydrogenated Castor Oil
Cremophor® RH 40 is a non-ionic solubilizers and emulsifying agents that is obtained by reacting hydrogenated castor oil with ethylene oxide. The main constituents of this product are glyceryl polyethylene glycol oxystearate, which, together with fatty acid glyceryl polyglyceryl esters, form the hydrophobic part of the product. Cremophor® RH 40 is used to solubilise ethereal oils, perfume compositions, vitamins and hydrophobic active substances in aqueous- alcoholic and purely aqueous solutions.