Ppg-17-butyl ether (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: 9003-13-8; Polyoxypropylene (17) butyl ether

Definition
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PPG is the acronym for "polypropylene glycol", the polymer of propylene glycol (1,2-propanediol), a dihydric alcohol. The number after "PPG" indicates the average number of propylene glycol molecular units, e.g. "PPG-17" has 17 propylene glycol molecular units. "Butyl" generally designates butanol (1-butanol or n-butanol) as the alcoholic component, "ether" the linking product of 2 alcohol molecules via an oxygen bridge. PPG-17-butyl ether is used in cosmetic formulations; the substance acts as emollient (makes the skin smooth and supple) and as surfactant (washing-active substance; improves the even distribution of the products during application).

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Last updated on: 29.10.2020

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