tetracosane

woody hydrocarbon

Found in 12 ingredients across the CompKitchen flavor graph.

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

2D Lewis Structure

Formula: C24H50
Molecular weight: 338.7 g/mol
PubChem CID: 12592 — full record on PubChem

Properties

Odor threshold — in a food matrix: 1.9 ppb – 339 ppb median 23.0 ppb · 4 published values · see all 4 with sources
Volatility: low
CAS number: 646-31-1
Retention index: 2400

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

4 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.

In a food matrix

1.9 ppb – 339 ppb

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

Threshold	Matrix	Source	Paper
1.9 ppb	water (food: tomato)	Literature corpus	27128659
22.6 ppb	water (food: unknown)	Literature corpus	31661846, 35006525, 36037121 +1
23.5 ppb	water (food: tea)	Literature corpus	34179519, 36540235
339 ppb	water (food: wine)	Literature corpus	27128659, 31661846, 34179519 +4

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.

Where you'd actually smell it

Odor Activity Value = measured concentration ÷ odor threshold (23.047250000000002 ppb, the engine's canonical value — see the 4 published values). OAV ≥ 1 = perceptible.

Food	Concentration (ppb)	OAV	Source
wine	12592.0	546 ⚡	—
tea	44.0	1.91	—
tomato	0.4	0.02	—

Concentrations from PubMed Central Open Access papers (free literature corpus, MIT-style licensed). Copper = OAV ≥ 10 (strongly perceptible). Green = OAV ≥ 1 (perceptible).

Found in

Measured impact first, then profile share

Every ingredient known to contain tetracosane. 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 tetracosane in it. Full concentrations are in the OAV table above.

34 cmpds

48 cmpds

76 cmpds

280 cmpds