Database/Emollient/Arachidyl Propionate
Mostly natural · ISO 16128

Is Arachidyl Propionate natural?

Mostly. Arachidyl alcohol is a natural oleochemical fatty alcohol; propionic acid is predominantly petrochemical (oxo-synthesis) for cosmetic grades.

INCI nameArachidyl Propionate
CAS65591-14-2
FormulaC23H46O2 · 354.6 Da
FunctionEmollient · Skin Conditioning
FeedstockMade by esterifying arachidyl (C20) fatty alcohol, typically…

How we scored it

Arachidyl alcohol 298 (natural, C20 fatty alcohol) esterified with propionic acid 74 (petrochemical); fragments 297 natural/57 synthetic, 297/355=0.84.
What counts. ISO 16128-2 scores the atoms that remain in the final ingredient. Reagents, solvents, catalysts and protecting groups used during manufacture leave no mass behind and are not counted.

Where it comes from

Made by esterifying arachidyl (C20) fatty alcohol, typically oleochemical, with propionic acid, which is mostly produced petrochemically. Fermentation-derived propionic acid exists but is a minor commercial source.

In plain English

A skin-conditioning emollient made from a long-chain natural fatty alcohol and a small petroleum-derived acid. It is used to give products a smooth, silky feel.

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Structure

2D structure of Arachidyl Propionate

icosyl propanoate

PubChem CID 94615 ↗

References

  1. 1ISO 16128-1:2016 and ISO 16128-2:2017 — Guidelines on technical definitions and criteria for natural and organic cosmetic ingredients and products. ISO, Geneva.
  2. 2Arachidyl Propionate. PubChem CID 94615. National Center for Biotechnology Information. pubchem.ncbi.nlm.nih.gov ↗
  3. 3ARACHIDYL PROPIONATE. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
  4. 4ARACHIDYL PROPIONATE. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=ARACHIDYL%20PROPIONATE