Myreth-3 (inci)

Author: Prof. Dr. med. Peter Altmeyer

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Last updated on: 29.10.2020

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Synonym(s)

CAS number: 27306-79-2

Definition
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The polyoxyethylene ethers of myristyl alcohol (tetradecan-1-ol) are called myreth(s) (for comparison see: laurethe as polyoxyethylene ether of lauryl alcohol; steareth as polyoxyethylene ether of stearyl alcohol and others).

Polyalkylene glycol ethers are non-ionic surfactants whose lipophilic part consists of fatty alcohols (e.g. lauryl alcohol, palmitic alcohol, stearyl alcohols, etc.). The hydrophilic part is formed by short-chain polyethylene glycols (polyoxyethylene). In the designation of fatty alcohol polyglycol ethers, the inserted numbering means the average number of ethylene oxide units per mole. Myreth-3, for example, is the INCI designation for a polyoxyethylene ether with 3 ethylene oxide units per mole.

Myreth-3 is used in cosmetic formulations. The substance acts as an emulsifier (changes the interfacial tension of liquids like water and oil so that they can be mixed together).

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Emulsifiers; Surfactants;

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Last updated on: 29.10.2020