Database/Fragrance/Isobutyl Benzoate
100% petroleum · ISO 16128

Is Isobutyl Benzoate natural?

No. Both isobutanol and benzoic acid are explicitly petrochemical fragments under this site's convention.

INCI nameIsobutyl Benzoate
CAS120-50-3
FormulaC11H14O2 · 178.23 Da
FunctionFragrance · Preservative
FeedstockMade by esterifying isobutanol with benzoic acid, both…

How we scored it

Isobutoxy C4H9O (synthetic alcohol) + benzoyl C7H5O (petrochemical) → 0/178.2=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 with benzoic acid, both produced from petrochemical feedstocks (propylene and toluene). No natural-origin route.

In plain English

A synthetic ester used as a solvent and fragrance ingredient. Made from isobutyl alcohol and benzoic acid, both manufactured from petroleum-derived chemicals.

CosIng definition: Isobutyl Benzoate is the ester of isobutyl alcohol and Benzoic Acid. It conforms to the formula:

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Structure

2D structure of Isobutyl Benzoate

2-methylpropyl benzoate

PubChem CID 61048 ↗

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 Benzoate. PubChem CID 61048. National Center for Biotechnology Information. pubchem.ncbi.nlm.nih.gov ↗
  3. 3ISOBUTYL BENZOATE. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
  4. 4ISOBUTYL BENZOATE. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=ISOBUTYL%20BENZOATE