Database/Fragrance/Diacetone Alcohol
100% petroleum · ISO 16128

Is Diacetone Alcohol natural?

No. The entire carbon skeleton derives from two molecules of petrochemical acetone.

INCI nameDiacetone Alcohol
CAS123-42-2
FormulaC6H12O2 · 116.16 Da
FunctionFragrance · Solvent
FeedstockDiacetone alcohol is produced by base-catalyzed aldol condensation…

How we scored it

4-hydroxy-4-methylpentan-2-one is the aldol self-condensation dimer of acetone; acetone is petrochemical → 0/116.16 = 0.0.
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

Diacetone alcohol is produced by base-catalyzed aldol condensation of acetone, itself a petrochemical (cumene-process) product. No natural route exists commercially.

In plain English

A solvent used in fragrances and perfuming, made by combining two molecules of acetone. It is entirely petrochemical, not derived from natural feedstocks.

CosIng definition: Diacetone Alcohol is the ketone that conforms to the formula

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Structure

2D structure of Diacetone Alcohol

4-hydroxy-4-methylpentan-2-one

PubChem CID 31256 ↗

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. 2Diacetone Alcohol. PubChem CID 31256. National Center for Biotechnology Information. pubchem.ncbi.nlm.nih.gov ↗
  3. 3DIACETONE ALCOHOL. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
  4. 4DIACETONE ALCOHOL. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=DIACETONE%20ALCOHOL