Database/Perfuming/Terpinyl Isobutyrate
Mostly natural · ISO 16128

Is Terpinyl Isobutyrate natural?

Mostly. Terpineol is made from natural pine turpentine (alpha-pinene) by hydration; the isobutyric acid used is essentially always petrochemical.

INCI nameTerpinyl Isobutyrate
CAS7774-65-4
FormulaC14H24O2 · 224.34 Da
FunctionPerfuming
FeedstockMade by esterifying terpineol, produced by hydrating alpha-pinene…

How we scored it

Terpineol 154 (natural, turpentine-derived) esterified with isobutyric acid 88 (petrochemical); fragments 153 natural/71 synthetic, 153/224=0.68.
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 terpineol, produced by hydrating alpha-pinene from pine turpentine, with petrochemical isobutyric acid. Turpentine is essentially the only commercial feedstock for terpineol.

In plain English

A fragrance ingredient made by combining a pine-derived alcohol with a small petroleum-derived acid. It contributes a fresh, woody note to scented products.

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Structure

2D structure of Terpinyl Isobutyrate

2-(4-methylcyclohex-3-en-1-yl)propan-2-yl 2-methylpropanoate

PubChem CID 522673 ↗

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. 2Terpinyl Isobutyrate. PubChem CID 522673. National Center for Biotechnology Information. pubchem.ncbi.nlm.nih.gov ↗
  3. 3TERPINYL ISOBUTYRATE. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
  4. 4TERPINYL ISOBUTYRATE. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=TERPINYL%20ISOBUTYRATE