Database/Binding/Isostearyl Neopentanoate
Mostly natural · ISO 16128

Is Isostearyl Neopentanoate natural?

Mostly. Isostearyl alcohol is oleochemical; neopentanoic (pivalic) acid is made industrially from petrochemical isobutylene.

INCI nameIsostearyl Neopentanoate
CAS58958-60-4
FormulaC23H46O2 · 354.6 Da
FunctionBinding · Emollient
FeedstockEster of oleochemical isostearyl alcohol and neopentanoic acid,…

How we scored it

Isostearyl-O fragment 269.5 Da (natural, oleochemical) + neopentanoyl (pivaloyl) C5H9O 85.1 Da (petrochemical, Koch synthesis). 269.5/354.6=0.76.
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

Ester of oleochemical isostearyl alcohol and neopentanoic acid, the latter made from isobutylene, carbon monoxide and water (Koch synthesis). No natural route exists for the neopentanoate acid fragment.

In plain English

An emollient ester made from a branched vegetable-oil-derived fatty alcohol and a small synthetic acid called neopentanoic acid. It gives creams a light, silky feel and helps bind ingredients together.

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Structure

2D structure of Isostearyl Neopentanoate

16-methylheptadecyl 2,2-dimethylpropanoate

PubChem CID 42891 ↗

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. 2Isostearyl Neopentanoate. PubChem CID 42891. National Center for Biotechnology Information. pubchem.ncbi.nlm.nih.gov ↗
  3. 3ISOSTEARYL NEOPENTANOATE. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
  4. 4ISOSTEARYL NEOPENTANOATE. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=ISOSTEARYL%20NEOPENTANOATE