nonadecane

woody hydrocarbon

Found in 21 ingredients across the CompKitchen flavor graph.

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

2D Lewis Structure

Formula: C19H40
Molecular weight: 268.5 g/mol
PubChem CID: 12401 — full record on PubChem

Properties

Odor description: alkane
Odor threshold — in a food matrix: 1.1 ppb – 1300 ppb median 22.9 ppb · 5 published values · see all 5 with sources
Volatility: low
CAS number: 629-92-5
Retention index: 1902

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

5 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

1.1 ppb – 1300 ppb

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

Threshold	Matrix	Source	Paper
1.1 ppb	water (food: tomato)	Literature corpus	27128659
22.8 ppb	water (food: beer)	Literature corpus	35292687
22.9 ppb	water (food: tea)	Literature corpus	36540235, 41647422
25.4 ppb	water (food: unknown)	Literature corpus	30849129, 33850230, 34451762 +5
1300 ppb	water (food: rice)	Literature corpus	36307468

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 (22.9105 ppb, the engine's canonical value — see the 5 published values). OAV ≥ 1 = perceptible.

Food	Concentration (ppb)	OAV	Source
tea	75.5	3.30	—
rice	28.2	1.23	—
beer	17.0	0.74	—
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 nonadecane. 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 nonadecane in it. Full concentrations are in the OAV table above.

36 cmpds

48 cmpds

76 cmpds

153 cmpds