2-methyl-1-propanethiol

sulfurous thiol

Found in 1 ingredient across the CompKitchen flavor graph.

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

2D Lewis Structure

Formula: C4H10S
Molecular weight: 90.19 g/mol
PubChem CID: 10558 — full record on PubChem

Properties

Odor description: cooked, vegetable, mustard
Odor threshold — in air: 0.007 ppb 1 published value · see all 1 with sources
Volatility: high
CAS number: 513-44-0

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.

Published thresholds

1 measured value from the literature. Grouped by what was actually measured — a threshold smelled in clean water, tasted in the mouth, or measured in a real food are three different quantities and are not pooled.

In air

0.007 ppb

Airborne detection — not comparable to a water threshold.

Threshold	Matrix	Source	Paper
0.007 ppb	air	Nagata 2003	—

Only values we can attribute are listed. Where a compendium's licence does not permit public attribution its figures are omitted here, so every number on this page traces to a citable source.

Found in

Measured impact first, then profile share

Every ingredient known to contain 2-methyl-1-propanethiol. 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-methyl-1-propanethiol in it.

guava

fruit

416 cmpds

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