Aroma molecule · aldehyde
9-octadecenal
Smells offatty
Found in 1 ingredient. We hold no measured concentration for it in any of them yet, so we cannot say where it is strong enough to smell.
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01How little it takes
No published odour threshold on file for 9-octadecenal.
02Where it turns up
- Meat & fish1
of the 1 ingredient that contain it, by food group
03What it travels with
Too few ingredients to say what it travels with.
What does 9-octadecenal smell like?
Sources describe it as fatty.
Which foods contain 9-octadecenal?
We list 1 ingredient that contain it, but presence is not the same as smell. What matters is how much is there compared with how little it takes to notice it. That ratio is the odour activity value (OAV): above 1, you can smell it.
Found in
Measured foods first, then real food profiles, then thin or composite records (marked). The figure beside each is how many compounds that ingredient has in total, not the amount of 9-octadecenal in it. ✓n = sources that recorded the link.
How strong is 9-octadecenal?
We hold no published odour threshold for 9-octadecenal, so we cannot say how little of it you could smell.
- Volatility
- low
- Retention index
- 1978
Is 9-octadecenal safe to eat?
9-octadecenal is listed by FEMA as generally recognized as safe (GRAS) for use as a flavoring: FEMA number 4059, published in GRAS 21. Check current FDA and EFSA guidance for your market and use level.
- FEMA number
- 4059 ✓ exact match
- Publication
- GRAS 21
- FEMA name
- 9-OCTADECENAL
Use-level matrix not extracted for this substance; check the source publication for current ppm guidance.
Source: FEMA GRAS publications 1–33.
9-octadecenal questions
What does 9-octadecenal smell like?
Sources describe 9-octadecenal as fatty.
Which foods contain 9-octadecenal?
We list 1 ingredient that contain 9-octadecenal.
Look up another compound — search by name, CAS number, PubChem CID, or FEMA #.
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Cite this analysis
Compound Kitchen (2026). 9-octadecenal compound data sheet. https://compkitchen.com/compound/9-octadecenal. Accessed 2026-11-03.
@misc{compkitchen_compound_9_octadecenal_compound_data_sheet_2026,
title = {9-octadecenal compound data sheet},
author = {{Compound Kitchen}},
year = {2026},
url = {https://compkitchen.com/compound/9-octadecenal},
note = {Accessed: 2026-11-03}
}
Methodology DOI: 10.5281/zenodo.19719459 · CC BY 4.0 · Citations are a request, not a requirement.