1-hydroxy-2-butanone

fruity ketone

Found in 4 ingredients across the CompKitchen flavor graph.

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

2D Lewis Structure

Formula: C4H8O2
Molecular weight: 88.11 g/mol
PubChem CID: 521300 — full record on PubChem

Properties

Odor description: Brown, oily and alcoholic with toasted grain notes
Volatility: high
CAS number: 5077-67-8

Regulatory · United States

FEMA GRAS — Generally Recognized As Safe for flavoring use

✓ Exact match

FEMA number: 3173
GRAS publication: GRAS 4
FEMA primary name: 1-HYDROXY-2-BUTANONE

Use-level matrix not extracted for this substance — check the source publication for current ppm guidance.

Source: FEMA GRAS publications 1-33.

Found in

Measured impact first, then profile share

Every ingredient known to contain 1-hydroxy-2-butanone. 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 1-hydroxy-2-butanone in it.

245 cmpds

344 cmpds

434 cmpds

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