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2,3-butandione

Found in 1 ingredient across the CompKitchen flavor graph.

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

Properties

Odor description
woody, honey, caramel, butter, smoky
Retention index
592
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.

MediumMedianRangeValuesPapersPapers agree?
air 0.059 µg/L air 0.00018–2.9e+03 97 no (4.9 decades)
ethanol solution 52.5 ppb 2.8–100 44 yes
food matrix 5 ppb 0.05–206 2719 no (2.8 decades)
model wine or beer 100 ppb 100–100 11 one paper
not applicable 6 ppb 6–6 11 one paper
oil 4.5 ppb 0.9–1e+04 54 no (4.0 decades)
starch or other 6.5 ppb 6.5–6.5 33 yes
unstated 5 ppb 0.05–3.26e+04 3935 no (4.2 decades)
water 4.685 ppb 5e-06–1.01e+03 3028 no (2.4 decades)

Found in

Measured impact first, then profile share

Every ingredient known to contain 2,3-butandione. 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 2,3-butandione in it.

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