Database/Perfuming/Isobutyl Phenylacetate
100% petroleum · ISO 16128

Is Isobutyl Phenylacetate natural?

No. Isobutanol is a petrochemical oxo-alcohol and phenylacetic acid an aromatic petrochemical; neither fragment has a natural feedstock.

INCI nameIsobutyl Phenylacetate
CAS102-13-6
FormulaC12H16O2 · 192.25 Da
FunctionPerfuming
FeedstockMade by esterifying isobutanol (from propylene) with phenylacetic…

How we scored it

Isobutanol (propylene oxo-process, petrochemical) + phenylacetic acid (toluene/benzyl cyanide route, petrochemical) − H2O; both petrochemical → 0/192 = 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

Made by esterifying isobutanol (from propylene) with phenylacetic acid (from toluene-derived benzyl cyanide). No commercially significant natural route for either fragment.

In plain English

A synthetic fragrance ingredient with a honey-like, floral scent. Both its alcohol and acid components are made from petroleum-derived chemicals.

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Structure

2D structure of Isobutyl Phenylacetate

2-methylpropyl 2-phenylacetate

PubChem CID 60998 ↗

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. 2Isobutyl Phenylacetate. PubChem CID 60998. National Center for Biotechnology Information. pubchem.ncbi.nlm.nih.gov ↗
  3. 3ISOBUTYL PHENYLACETATE. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
  4. 4ISOBUTYL PHENYLACETATE. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=ISOBUTYL%20PHENYLACETATE