How we scored it
Methyl ester of 2-octynoic acid; no commercially significant natural-extraction route exists, so scored as a synthesised fragrance material.
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
Manufactured synthetically by esterifying 2-octynoic acid, itself built up from petrochemical alkyl and alkyne precursors. It occurs only in trace natural amounts, with no commercial extraction route.
In plain English
A fragrance ingredient with a green, fruity note. It is manufactured synthetically from petrochemical building blocks; it is not commercially extracted from a natural source.
Structure
methyl oct-2-ynoate
References
- 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.
- 2Methyl 2-Octynoate. PubChem CID 8092. National Center for Biotechnology Information. pubchem.ncbi.nlm.nih.gov ↗
- 3METHYL 2-OCTYNOATE. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
- 4Methyl 2-Octynoate. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=Methyl%202-Octynoate