Global InformationKolliphor EL information
Kolliphor EL, formerly known as Cremophor EL, is the registered trademark of BASF Corp. for its version of polyethoxylated castor oil. It is prepared by reacting 35 moles of ethylene oxide with each mole of castor oil. The resulting product is a mixture (CAS number 61791-12-6): the major component is the material in which the hydroxyl groups of the castor oil triglyceride have been ethoxylated with ethylene oxide to form polyethylene glycol ethers. Minor components are the polyethyelene glycol esters of ricinoleic acid, polyethylene glycols and polyethylene glycol ethers of glycerol.[1] Kolliphor EL is a synthetic, nonionic surfactant used to stabilize emulsions of nonpolar materials in water.
Kolliphor EL is an excipient or additive in drugs. Therapeutically, modern drugs are rarely given in a pure chemical state, so most active ingredients are combined with excipients or additives such as Kolliphor EL.[2]
- ^ "Kolliphor EL". Retrieved 2010-12-16.
- ^ Clarke, R. S.; Dundee, J. W.; Carson, I. W. (1973). "New Drugs in Anæsthesia: A New Steroid Anaesthetic-Althesin". Proceedings of the Royal Society of Medicine. 66 (10): 1027–1030. doi:10.1177/003591577306601023. PMC 1645602. PMID 4148526. See page 1/49, Methods and Materials.