Pentaerythrityl tetraisostearate (inci)

Author: Prof. Dr. med. Peter Altmeyer

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Last updated on: 29.10.2020

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Synonym(s)

2,2-bis[[(1-oxoisooctadecyl)oxy]methyl]-1,3-propanediyl bis(isooctadecanoates); CAS number: 62125-22-8

Definition
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Pentaerythrityl refers to the tetravalent alcohol pentaerythritol (also called pentaerythritol), which is quadruple-esterified with isostearic acid. The prefix "penta" refers to the 5 carbon atoms of the molecule. Pentaerythrityl tetraisostearate (isooctadecanoic acid) is used in cosmetic formulations. The tetraester acts as an emollient (makes the skin smooth and supple), emulsifier (surface-active substance which is used in cosmetic products as an auxiliary agent to combine 2 immiscible liquids - e.g. oil and water - into one emulsion), surfactant (washing-active substance; improves the even distribution of the products during application).

Outgoing links (3)

Emollient; Isostearic acid; Surfactants;

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Last updated on: 29.10.2020