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ethyl methyl disulfide

sulfurous sulfide

Found in 33 ingredients across the CompKitchen flavor graph.

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

2D Lewis structure of ethyl methyl disulfide
2D Lewis Structure
Formula
C3H8S2
Molecular weight
108.23 g/mol
PubChem CID
123388 — full record on PubChem

Properties

Odor description
sulfurous, truffle
Odor threshold
0.062 ppb
Volatility
high
CAS number
20333-39-5
Regulatory · United States

FEMA GRAS — Generally Recognized As Safe for flavoring use

✓ Exact match
FEMA number
4040
GRAS publication
GRAS 21
FEMA primary name
ETHYL METHYL DISULFIDE

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

Source: FEMA GRAS publications 1-33.

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?
unstated 0.062 ppb 0.062–0.062 11 one paper
water 0.062 ppb 0.062–0.062 11 one paper

Found in

Measured impact first, then profile share

Every ingredient known to contain ethyl methyl disulfide. 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 ethyl methyl disulfide in it.

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