Database/Fragrance/Delta-Damascone
Route-dependent · ISO 16128

Is Delta-Damascone natural?

It depends. Damascone is synthesised, not isolated from essential oil; its terpenoid precursor is natural citral (lemongrass) or petrochemical citral depending on supplier.

INCI nameDelta-Damascone
CAS57378-68-4
FormulaC13H20O · 192.30 Da
FunctionFragrance · Perfuming
FeedstockProduced by total synthesis from a terpenoid ketone…

Why the score varies

This ingredient is made commercially by more than one route, and ISO 16128 scores the feedstock actually used. Without a supplier certificate of origin the value cannot be claimed.

RouteFeedstockNOIShareNotes
synthetic petrochemicalpetrochemical-derived citral/terpene intermediates0.00majority
natural terpene-derivedlemongrass/litsea cubeba citral1.00minority
Ask your supplier. A batch-specific certificate of origin or bio-based carbon test (ASTM D6866) settles which route applies.

How we scored it

Not isolated from essential oil; built from a terpenoid (citral-type) intermediate sourced as natural or petrochemical citral depending on supplier
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

Produced by total synthesis from a terpenoid ketone intermediate built up from citral, which suppliers source as either natural (lemongrass/litsea) or synthetic (petrochemical) citral. Direct isolation from rose or other essential oils is not commercially significant.

In plain English

A fruity, rose-like fragrance ingredient made by chemical synthesis from a terpene building block that can come from natural citrus/lemongrass oils or petrochemical sources.

CosIng definition: Delta-Damascone

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Structure

2D structure of Delta-Damascone

(E)-1-(2,6,6-trimethylcyclohex-3-en-1-yl)but-2-en-1-one

PubChem CID 5365916 ↗

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. 2Delta-Damascone. PubChem CID 5365916. National Center for Biotechnology Information. pubchem.ncbi.nlm.nih.gov ↗
  3. 3DELTA-DAMASCONE. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
  4. 4DELTA-DAMASCONE. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=DELTA-DAMASCONE