4-pentenal

green aldehyde

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: C5H8O
Molecular weight: 84.12 g/mol
PubChem CID: 16418 — full record on PubChem

Properties

Odor threshold: 10.0 ppb
Volatility: high
CAS number: 2100-17-6
Retention index: 796

Regulatory · United States

FEMA GRAS — Generally Recognized As Safe for flavoring use

✓ Exact match

FEMA number: 4262
GRAS publication: GRAS 23
FEMA primary name: 4-Pentenal

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 4-pentenal. 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 4-pentenal in it.

416 cmpds

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Try the pairing tools to see which ingredient combinations rely on 4-pentenal, or compare two ingredients side-by-side.