Database/Perfuming/Rhodinyl Butyrate
Route-dependent · ISO 16128

Is Rhodinyl Butyrate natural?

It depends. Rhodinol/citronellol is isolated from rose or citronella oil in the natural route, or made from petrochemical isoprenoid feedstocks in the dominant synthetic route.

INCI nameRhodinyl Butyrate
CAS141-15-1
FormulaC14H26O2 · 226.35 Da
FunctionPerfuming
FeedstockCommercially most rhodinyl butyrate is fully synthetic, esterifying…

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
syntheticpetrochemical terpene alcohol + synthetic butyric acid0.00~75%
naturalrhodinol ex rose/citronella oil + fermentation butyric acid1.00~25%
Ask your supplier. A batch-specific certificate of origin or bio-based carbon test (ASTM D6866) settles which route applies.

How we scored it

Ester of citronellol-type terpene alcohol (rhodinol) + butyric acid, C14H26O2=226.35 Da. Natural route: both fragments bio-based=1.0. Synthetic route: petrochemical terpene alcohol + synthetic acid=0.0. Headline shows the best route (1.00), as for every route-dependent entry on the site.
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

Commercially most rhodinyl butyrate is fully synthetic, esterifying petrochemically-derived citronellol-type alcohol with butyric acid. A minority is made from rhodinol isolated from rose, geranium or citronella essential oil.

In plain English

A fragrance ingredient with a rose-like, fruity smell. It's made by combining a rose/geranium-type alcohol with butyric acid; it can be isolated from flower oils or made synthetically in a lab.

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Structure

2D structure of Rhodinyl Butyrate

[(3S)-3,7-dimethyloct-7-enyl] butanoate

PubChem CID 71587790 ↗

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. 2Rhodinyl Butyrate. PubChem CID 71587790. National Center for Biotechnology Information. pubchem.ncbi.nlm.nih.gov ↗
  3. 3RHODINYL BUTYRATE. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
  4. 4RHODINYL BUTYRATE. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=RHODINYL%20BUTYRATE