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Fragrance allergens › Methyl 2-Octynoate
Methyl 2-Octynoate (CAS 111-12-6) is one of the fragrance allergens the European Union requires to be named on a label once it passes a threshold. Nothing in this catalog carries it as a constituent, so it reaches a formula one way only: you reached for the bottle. That makes it the easy kind to account for.
How much Methyl 2-Octynoate can go in a perfume (IFRA limit)
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Check a formula against the IFRA limits in the free calculator
Sharp violet-leaf green, more brutal and metallic than methyl octine carbonate, with unripe banana-peel facets. Classic in old-school violet and leather bases; strongly IFRA-limited sensitizer used in tiny traces.
It is a material in its own right, not only a line on a label: its catalog page carries the full profile.
Shares one ceiling with methyl octine carbonate (CAS 111-80-8): used in the same compound, it is their COMBINED total that has to stay under the limit, not each one separately.
| Material | Estimated content |
|---|---|
| Methyl Heptine Carbonate the material itself | 100% |
Estimates from typical published compositions, not a certificate of analysis for your bottle. A supplier's own figures always win.
PerfuMate totals these across a whole formula while you compose, counting the same molecule arriving from several materials at once, and writes the declaration for the back of the bottle. Start a formula, free. No account needed.
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