ethyl 2-hydroxybutanoate

fruity ester

Found in 2 ingredients across the CompKitchen flavor graph.

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

2D Lewis Structure

Formula: C6H12O3
Molecular weight: 132.16 g/mol
PubChem CID: 521365 — full record on PubChem

Properties

Odor threshold: 800.0 ppb (1 source, non-SIDA)
Volatility: high
CAS number: 52089-54-0
Retention index: 1403

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.

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?
ethanol solution	800 ppb	800–800	1	1	one paper
food matrix	800 ppb	800–800	1	1	one paper
unstated	800 ppb	800–800	2	2	yes

Found in

Measured impact first, then profile share

Every ingredient known to contain ethyl 2-hydroxybutanoate. 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 ethyl 2-hydroxybutanoate in it.

✓1 254 cmpds

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Try the pairing tools to see which ingredient combinations rely on ethyl 2-hydroxybutanoate, or compare two ingredients side-by-side.