Oleth-15 (inci)

Author:Prof. Dr. med. Peter Altmeyer

Last updated on: 29.10.2020

Synonym(s)

.alpha.-9-(Z)-octadecenyl-.omega.-hydroxy (15 mol EO average molar ratio); CAS number: 9004-98-2; PEG-15 oleyl ether; polyethylene (15) oleyol ether; poly(oxy-1,2-ethanediyl)

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DefinitionThis section has been translated automatically.

Oleth(s)" are the polyoxyethylene ethers of oleyl alcohol, an unsaturated monohydric alcohol with the linear formula CH3(CH2)7CH= CH(CH2)7CH2OH (for comparison see: laurethe as polyoxyethylene ether of lauryl alcohol; stearethe as polyoxyethylene ether of stearyl alcohol, etc.). In the term "oleth", the numbering shown below indicates the average number of ethylene oxide units per mole. For oleth -15, for example, this is 15 ethylene oxide units per mole.
Oleth-15 is used in cosmetic formulations. The polyoxyethylene ether acts as an emulsifier (changes the interfacial tension of liquids like water and oil so that they can be mixed together); surfactant (washing-active substance).

Authors

Last updated on: 29.10.2020

Author: Prof. Dr. med. Peter Altmeyer