Skip to main content
Compound sheet

Aroma molecule · alcohol

2-octenol

Smells offatty and oily

Found in 2 ingredients. We hold no measured concentration for it in any of them yet, so we cannot say where it is strong enough to smell.

Working on a formulation or a product line? This compound data is available by API for R&D teams.

Formula
—
Mass
128.21 g/mol
CAS
18409-17-1
PubChem
—
FEMA
4615 · GRAS · verify
Threshold
20 ppb
Class
alcohol
Status
Aroma-active

01How little it takes

  • in water 20
  • in a food 20
  • in alcoholpapers disagree 20
  • in oilpapers disagree 0.075

ppb, log scale · tick = median of published values, bar = full range, from open-access paper tables (not reviewed)

02Where it turns up

  • Fruit1
  • Grains, nuts & fats1

of the 2 ingredients that contain it, by food group

03What it travels with

Too few ingredients to say what it travels with.

What does 2-octenol smell like?

Sources describe it as fatty and oily.

Which foods contain 2-octenol?

We list 2 ingredients 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 2-octenol in it. ✓n = sources that recorded the link.

How strong is 2-octenol?

Our working odour threshold is 20.0 ppb.

Thresholds in published tables

MediumMedianRangeValuesPapersPapers agree?
air 840 µg/L air 840–840 11 one paper
ethanol solution 20 ppb 20–20 11 one paper
food matrix 20 ppb 4–50 98 yes
oil 0.075 ppb 0.075–0.075 11 one paper
unstated 20 ppb 0.075–100 2724 yes
water 20 ppb 0.04–185 1212 yes

Numbers printed in open-access papers, grouped by the medium the table states. Median and full range; “agree” means two or more papers whose middle 80% of values sit within 100×. Not reviewed.

Retention index
1064

Is 2-octenol safe to eat?

A substance matching this name is listed by FEMA as generally recognized as safe (GRAS) for use as a flavoring: FEMA number 4615, published in GRAS 24. Check current FDA and EFSA guidance for your market and use level.

FEMA number
4615 ~ likely match
Publication
GRAS 24
FEMA name
cis-2-Octenol cis-2-Octen-1-ol
Reported use levels (ppm by food category)
Food categoryTypicalMaximum
soups0.10.5

Typical vs maximum reported addition levels in finished food. A regulatory ceiling reference; verify against the current GRAS publication for your product category.

Source: FEMA GRAS publications 1–33.

2-octenol questions

What does 2-octenol smell like?

Sources describe 2-octenol as fatty and oily.

Which foods contain 2-octenol?

We list 2 ingredients that contain 2-octenol.

How strong is 2-octenol?

Our working odour threshold for 2-octenol is 20 ppb.

Into the chemistry?

Get a molecule-level pairing breakdown each week — which ingredients share a compound, and why it matters at the table. Free, no spam.

Prefer an account? Create a free account to save pairings and unlock the full chemistry.

Try the pairing tools to see which ingredient combinations rely on 2-octenol, or compare two ingredients side by side.

Cite this analysis
Plain text
Compound Kitchen (2026). 2-octenol compound data sheet. https://compkitchen.com/compound/2-octenol. Accessed 2026-11-03.
BibTeX
@misc{compkitchen_compound_2_octenol_compound_data_sheet_2026,
  title  = {2-octenol compound data sheet},
  author = {{Compound Kitchen}},
  year   = {2026},
  url    = {https://compkitchen.com/compound/2-octenol},
  note   = {Accessed: 2026-11-03}
}

Methodology DOI: 10.5281/zenodo.19719459 · CC BY 4.0 · Citations are a request, not a requirement.