e-2-hexanal

green aldehyde

Found in 1 ingredient across the CompKitchen flavor graph.

Look up another compound — search by name, CAS number, PubChem CID, or FEMA #.

Properties

Odor threshold: 4.5 ppb

Not in FEMA GRAS publications 1-33. Of 3,367 listed flavoring substances, none match this compound name. May still be food-safe under other regulatory routes (FDA 21 CFR 172, EFSA, JECFA) — check femaflavor.org for the authoritative current list.

Thresholds in published tables

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

Medium	Median	Range	Values	Papers	Papers agree?
air	4.5 µg/L air	0.0014–5.9e+03	49	36	no (3.2 decades)
ethanol solution	25.5 ppb	0.1–158	7	5	no (2.4 decades)
food matrix	5 ppb	0.0055–9.9e+05	123	110	yes
model wine or beer	51 ppb	5–97	2	2	yes
not applicable	5 ppb	5–5	1	1	one paper
oil	90 ppb	5–2.76e+05	12	10	yes
starch or other	30 ppb	30–30	1	1	one paper
unstated	5 ppb	0.0014–4.5e+04	251	213	yes
water	4.5 ppb	0.0011–300	163	147	yes

Found in

Measured impact first, then profile share

Every ingredient known to contain e-2-hexanal. Ingredients with a measured concentration come first, ranked by odour activity; the rest follow by how large a share of that ingredient's profile this molecule is. The figure beside each is how many different compounds that ingredient has in total — not the concentration of e-2-hexanal in it.

atlantic mackerel

fish

34 cmpds

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