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3-methyl-2-pentanone

fruity ketone

Found in 15 ingredients across the CompKitchen flavor graph.

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

2D Lewis structure of 3-methyl-2-pentanone
2D Lewis Structure
Formula
C6H12O
Molecular weight
100.16 g/mol
PubChem CID
11262 — full record on PubChem

Properties

Odor threshold — in air
24.0 ppb 1 published value · see all 1 with sources
Volatility
high
CAS number
565-61-7
Retention index
1014
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

1 measured value 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 air

24.0 ppb

Airborne detection — not comparable to a water threshold.

Threshold Matrix Source Paper
24.0 ppb air Nagata 2003 —

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 3-methyl-2-pentanone. 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 3-methyl-2-pentanone in it.

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