trans-2-dodecenal

green aldehyde

Found in 6 ingredients across the CompKitchen flavor graph.

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

Properties

Odor description: aldehydic, citrus, fat, fruity, green, herbal, mandarin, metallic, orange, sweet, waxy
Odor threshold: 1.4 ppb
Retention index: 1463

Regulatory · United States

FEMA GRAS — Generally Recognized As Safe for flavoring use

~ Isomer match

FEMA number: 2402
GRAS publication: GRAS 3
FEMA primary name: 2-DODECENAL

Use-level matrix not extracted for this substance — check the source publication for current ppm guidance.

Source: FEMA GRAS publications 1-33.

How this molecule is described

Sources disagree about odour more often than they disagree about chemistry. Rather than show one answer, here is every description on file with how many ingredient records carry it.

Also filed as

e-2-dodecenal

Same molecule, unified here — previously counted and displayed as separate compounds.

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	1.4 µg/L air	1.4–1.4	4	2	yes
ethanol solution	34.38 ppb	24.6–44.2	2	1	one paper
food matrix	0.011 ppb	0.011–0.011	1	1	one paper
unstated	1.4 ppb	0.53–7.3	13	12	yes
water	1.4 ppb	0.22–7.3	5	5	yes

Found in

Measured impact first, then profile share

Every ingredient known to contain trans-2-dodecenal. 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 trans-2-dodecenal in it.

68 cmpds

254 cmpds

357 cmpds

363 cmpds