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Compound sheet · CK-12187

Molecule · ketone

5-methyl-3-hexanone

Found in 3 ingredients. We hold no measured concentration for it in any of them yet, so we cannot say where it is strong enough to smell.

Working on a formulation or a product line? This compound data is available by API for R&D teams.

2D structure of 5-methyl-3-hexanone, C7H14O
2D structure · PubChem 12187
Formula
C7H14O
Mass
114.19 g/mol
CAS
623-56-3
PubChem
12187
FEMA
4769 · GRAS · verify
Threshold
56.9 ppb
Class
ketone
Status
—

01How little it takes

No published odour threshold on file for 5-methyl-3-hexanone.

02Where it turns up

  • Drinks2
  • Grains, nuts & fats1

of the 3 ingredients that contain it, by food group

03What it travels with

Too few ingredients to say what it travels with.

What does 5-methyl-3-hexanone smell like?

We hold no odour description for 5-methyl-3-hexanone.

Which foods contain 5-methyl-3-hexanone?

We list 3 ingredients that contain it, but presence is not the same as smell. What matters is how much is there compared with how little it takes to notice it. That ratio is the odour activity value (OAV): above 1, you can smell it.

Found in

Measured foods first, then real food profiles, then thin or composite records (marked). The figure beside each is how many compounds that ingredient has in total, not the amount of 5-methyl-3-hexanone in it. ✓n = sources that recorded the link.

How strong is 5-methyl-3-hexanone?

Our working odour threshold is 56.92 ppb, from 1 source (none by SIDA, so treat it as approximate).

Thresholds in published tables

MediumMedianRangeValuesPapersPapers agree?
air 51.7 µg/L air 51.7–51.7 31 one paper

Numbers printed in open-access papers, grouped by the medium the table states. Median and full range; “agree” means two or more papers whose middle 80% of values sit within 100×. Not reviewed.

Volatility
high

Is 5-methyl-3-hexanone safe to eat?

A substance matching this name is listed by FEMA as generally recognized as safe (GRAS) for use as a flavoring: FEMA number 4769, published in GRAS 26. Check current FDA and EFSA guidance for your market and use level.

FEMA number
4769 ? partial match
Publication
GRAS 26
FEMA name
5-Mercapto-5-methyl-3-hexanone
Reported use levels (ppm by food category)
Food categoryTypicalMaximum
baked goods2.55
beverages, alcoholic0.32.5
beverages, nonalcoholic0.10.5
breakfast cereals0.10.3
cheeses0.30.5
chewing gum510
condiments and relishes0.30.5
confections and frostings0.32.5
egg products0.30.5
fish products0.30.5
frozen dairy110
fruit ices0.55
gelatins and puddings0.32.5
gravies0.30.5
hard candy2.512.5
instant coffee and tea0.11
jams and jellies0.52.5
meat products0.30.5
milk products0.10.5
poultry0.30.5
processed vegetables0.30.5
seasonings and flavors0.30.5
snack foods0.30.5
soft candy0.52.5
soups0.30.5
sweet sauces0.30.5

Typical vs maximum reported addition levels in finished food. A regulatory ceiling reference; verify against the current GRAS publication for your product category.

Source: FEMA GRAS publications 1–33.

5-methyl-3-hexanone questions

Which foods contain 5-methyl-3-hexanone?

We list 3 ingredients that contain 5-methyl-3-hexanone.

How strong is 5-methyl-3-hexanone?

Our working odour threshold for 5-methyl-3-hexanone is 56.9 ppb.

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Try the pairing tools to see which ingredient combinations rely on 5-methyl-3-hexanone, or compare two ingredients side by side.

Cite this analysis
Plain text
Compound Kitchen (2026). 5-methyl-3-hexanone compound data sheet. https://compkitchen.com/compound/5-methyl-3-hexanone. Accessed 2026-11-03.
BibTeX
@misc{compkitchen_compound_5_methyl_3_hexanone_compound_data_sheet_2026,
  title  = {5-methyl-3-hexanone compound data sheet},
  author = {{Compound Kitchen}},
  year   = {2026},
  url    = {https://compkitchen.com/compound/5-methyl-3-hexanone},
  note   = {Accessed: 2026-11-03}
}

Methodology DOI: 10.5281/zenodo.19719459 · CC BY 4.0 · Citations are a request, not a requirement.