PerfuMate › IFRA limits › trans-2-Heptenal
Is trans-2-Heptenal banned in perfume?
IFRA standard: trans-2-Heptenal · Category 4, 51st Amendment
Prohibited
IFRA prohibits trans-2-Heptenal in fine fragrance (Category 4, 51st Amendment): it may not be added to a perfume at any level.
trans-2-Heptenal is also banned in EU cosmetics (Regulation 1223/2009, Annex II, entry 437).
Which materials contain trans-2-Heptenal?
Sold as trans-2-Heptenal itself; these may not be used:
A worked example
A 100 g concentrate, bottled as an eau de parfum at 18%:
| Material | Weighed |
|---|---|
| trans-2-Heptenal | 1 g |
| Ethylene Brassylate no IFRA limit | 99 g |
Even 1 g in 100 g is too much: the calculator marks trans-2-Heptenal Prohibited, and no strength makes this formula pass.
Or paste these lines into the calculator:
trans-2-Heptenal 1 g Ethylene Brassylate 99 g
Questions
Is trans-2-Heptenal banned in perfume?
Yes. IFRA prohibits it in Category 4 at any level.
Does this limit apply to candles or soap?
No. This is Category 4, fine fragrance on skin. Other products sit in other IFRA categories with other limits, which these pages and the calculator do not cover.