n-butyraldehyde

herbal 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 description: burnt, baking, herb, freshness
Odor threshold — orthonasal, in clean water: 11.5 ppb – 23.1 ppb median 17.3 ppb · 2 published values · see all 10 with sources
CAS number: 123-72-8

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.

Published thresholds

10 measured values from the literature. Grouped by what was actually measured — a threshold smelled in clean water, tasted in the mouth, or measured in a real food are three different quantities and are not pooled.

Orthonasal, in clean water

11.5 ppb – 23.1 ppb

The reference measurement — smelled in water. OAV is computed against this.

Threshold	Matrix	Source	Paper
11.5 ppb SIDA	water	Rychlik 1998 · 3 studies	—
23.1 ppb	water_odor	Leffingwell	—

In a food matrix

6.0 ppb – 622 ppb

Measured in a real food, where the matrix shifts detection — not a clean-water value.

Threshold	Matrix	Source	Paper
6.0 ppb	water (food: fish)	Literature corpus	41700802
9.0 ppb	water (food: reference standard (water))	Literature corpus	41700802
46.7 ppb	water (food: rum)	Literature corpus	41700802
130 ppb	water (food: peanut)	Literature corpus	41700802
416 ppb	water (food: unknown)	Literature corpus	41700802
622 ppb	water (food: tea)	Literature corpus	41700802

In air

0.670 ppb – 2999 ppb

Airborne detection — not comparable to a water threshold.

Threshold	Matrix	Source	Paper
0.670 ppb	air	Nagata 2003	—
2999 ppb	air (C1_cometto_muniz_cain)	Cometto-Muñiz (PMC)	—

Only values we can attribute are listed. Where a compendium's licence does not permit public attribution its figures are omitted here, so every number on this page traces to a citable source.

Found in

Measured impact first, then profile share

Every ingredient known to contain n-butyraldehyde. 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 n-butyraldehyde in it.

fenugreek

herb

247 cmpds

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