Database/Antioxidant/Trimethoxybenzylidene Pentanedione
100% petroleum · ISO 16128

Is Trimethoxybenzylidene Pentanedione natural?

No. The aromatic methoxybenzylidene group and pentanedione core are synthetic, petrochemical-derived structural units.

INCI nameTrimethoxybenzylidene Pentanedione
CAS945558-97-4
FunctionAntioxidant · Chelating
FeedstockManufactured by condensing a trimethoxybenzaldehyde with 2,4-pentanedione (acetylacetone),…

How we scored it

Trimethoxybenzylidene (methoxylated benzene ring) and pentanedione (small diketone) are both petrochemical; no natural fragment identified.
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

Manufactured by condensing a trimethoxybenzaldehyde with 2,4-pentanedione (acetylacetone), both petrochemical intermediates. No natural production route is used commercially.

In plain English

A synthetic antioxidant and chelating ingredient that helps protect formulas from oxidation. It's built from a methoxylated aromatic ring joined to a small diketone through organic synthesis.

CosIng definition: Trimethoxybenzylidene Pentanedione is the organic compound.

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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. 2TRIMETHOXYBENZYLIDENE PENTANEDIONE. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
  3. 3TRIMETHOXYBENZYLIDENE PENTANEDIONE. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=TRIMETHOXYBENZYLIDENE%20PENTANEDIONE