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KOLLIPHOR

Brand of

Polyoxyl Hydrogenated Castor Oil and Polyoxyl Castor Oil

Kolliphor is a family of non-ionic solubilizers and emulsifiers.

Kolliphor RH 40 is obtained by reacting one mole of hydrogenated castor oil with 40 moles of ethylene oxide, while Kolliphor EL and ELP are made by reacting castor oil with ethylene oxide in a molar ratio of 1:35.
Pharmacopeial Names Applications
Polyoxyl 40 hydrogenated castor oil USP/NF, EP Emulsifier and solubilizer for hydrophobic actives, fat soluble vitamins and essential oils in solid as well as liquid orals and topical dosage forms
Polyoxyl 35 castor oil USP/NF, EP, JPE Emulsifier and solubilizer for hydrophobic actives, fat soluble vitamins and essential oils in solid as well as liquid orals and topical dosage forms
Polyoxyl 35 castor oil USP/NF, EP (Purified grade of Kolliphor EL) Extra-pure grade for parenterals. Also used as a solubilizer and emulsifier in liquid orals and topical preparations

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