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W327506

Sigma-Aldrich

Dimethyl trisulfide

≥98%, FG

Synonym(s):

2,3,4-trithiapentane, Methylsulfanyldisulfanylmethane

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About This Item

Linear Formula:
CH3SSSCH3
CAS Number:
Molecular Weight:
126.26
FEMA Number:
3275
Beilstein/REAXYS Number:
1731604
EC Number:
Council of Europe no.:
539
MDL number:
UNSPSC Code:
12164502
PubChem Substance ID:
Flavis number:
12.013
NACRES:
NA.21

biological source

synthetic

Quality Level

grade

FG
Halal
Kosher

agency

meets purity specifications of JECFA

reg. compliance

EU Regulation 1334/2008 & 178/2002

assay

≥98%

refractive index

n20/D 1.602 (lit.)

bp

58 °C/15 mmHg (lit.)

mp

−68 °C (lit.)

density

1.202 g/mL at 25 °C (lit.)

application(s)

flavors and fragrances

documentation

see Safety & Documentation for available documents

food allergen

no known allergens

organoleptic

meaty; alliaceous; sulfurous

SMILES string

CSSSC

InChI

1S/C2H6S3/c1-3-5-4-2/h1-2H3

InChI key

YWHLKYXPLRWGSE-UHFFFAOYSA-N

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General description

Dimethyl trisulfide (DMTS), a volatile sulfur compound (VSC), is a major aroma consituent in cooked Brassicaceous vegetables. Dimethyl trisulfide formation is reported during beer aging. It has been reported to be responsible for common malodour from fungating cancer samples. It is an important taste and odor (T&O)-causing compound in China, mainly associated with the septic/swampy odor. It has been identified as a common odor-producing compound by Microcystis (on its decay). Granular activated carbon (GAC) adsorption of dimethyl trisulfide, an algal odorant, has been reported.

Application


  • Exploring the binding affinity and characteristics of DcitOBP9 in citrus psyllids.: This study investigates the binding properties of dimethyl trisulfide (DMTS) with DcitOBP9, an odorant-binding protein in citrus psyllids, providing insights into the potential role of DMTS in pest management strategies (Pei et al., 2024).

pictograms

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signalword

Warning

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

3 - Flammable liquids

wgk_germany

WGK 3

flash_point_f

132.8 °F - closed cup

flash_point_c

56 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter


Certificates of Analysis (COA)

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Eric Block et al.
Proceedings of the National Academy of Sciences of the United States of America, 112(21), E2766-E2774 (2015-04-23)
The vibrational theory of olfaction assumes that electron transfer occurs across odorants at the active sites of odorant receptors (ORs), serving as a sensitive measure of odorant vibrational frequencies, ultimately leading to olfactory perception. A previous study reported that human
Atsuko Isogai et al.
Journal of agricultural and food chemistry, 53(10), 4118-4123 (2005-05-12)
Changes in the aroma of sake during aging were investigated by aroma extract dilution analysis (AEDA) and quantitative analysis using the stir bar sorptive extraction method. In AEDA, more odor zones were detected in aged sake than in fresh sake.
Identification of dimethyl trisulfide as a major aroma component of cooked brassicaceous vegetables.
Maruyama FT.
Journal of Food Science, 35(5), 540-543 (1970)
Stability of Volatile Sulfur Compounds (VSCs) in sampling bags-impact of temperature.
Le H, et al.
Water Science and Technology, 68(8), 1880-1887 (2013)
L Gijs et al.
Journal of agricultural and food chemistry, 48(12), 6196-6199 (2001-04-21)
Hop S-methylcysteine sulfoxide has previously been postulated as the precursor of dimethyl trisulfide (DMTS) in beers. The present data point to 3-methylthiopropionaldehyde, the Strecker aldehyde issued from methionine, as another potential precursor in aged beers. Spiking either fresh beer or

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