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W387800

Sigma-Aldrich

Bis(methylthio)methane

≥99%, FG

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Synonym(s):
Truffle sulfide, Dimethylthiomethane, Formaldehyde dimethyl mercaptal
Linear Formula:
CH3SCH2SCH3
CAS Number:
Molecular Weight:
108.23
FEMA Number:
3878
Beilstein/REAXYS Number:
1731143
EC Number:
MDL number:
PubChem Substance ID:
Flavis number:
12.118
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

≥99%

refractive index

n20/D 1.53 (lit.)

bp

147 °C (lit.)

density

1.059 g/mL at 25 °C (lit.)

application(s)

flavors and fragrances

documentation

see Safety & Documentation for available documents

food allergen

no known allergens

organoleptic

garlic; green; mushroom; spicy; sulfurous

SMILES string

CSCSC

InChI

1S/C3H8S2/c1-4-3-5-2/h3H2,1-2H3

InChI key

LOCDPORVFVOGCR-UHFFFAOYSA-N

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1 of 4

This Item
W357308W325900W334308
vibrant-m

W387800

Bis(methylthio)methane

vibrant-m

W357308

Methyl 2-methyl-3-furyl disulfide

vibrant-m

W325900

Bis(2-Methyl-3-furyl) disulfide

vibrant-m

W334308

Ethyl 3-(methylthio)propionate

food allergen

no known allergens

food allergen

no known allergens

food allergen

no known allergens

food allergen

no known allergens

grade

FG, Kosher, Halal

grade

FG, Halal, Kosher

grade

FG, Halal, Kosher

grade

FG, Halal, Kosher

organoleptic

garlic; green; mushroom; spicy; sulfurous

organoleptic

meaty; vegetable; sulfurous

organoleptic

meaty; sulfurous

organoleptic

fruity; pineapple; sulfurous

bp

147 °C (lit.)

bp

210 °C (lit.)

bp

280 °C

bp

197 °C (lit.)

documentation

see Safety & Documentation for available documents

documentation

see Safety & Documentation for available documents

documentation

see Safety & Documentation for available documents

documentation

see Safety & Documentation for available documents

General description

Natural occurrence: Truffles cheese, shittake mushrooms, and lobster.
Bis(methylthio)methane, a volatile sulfur compound, is the key component of white truffle aroma. It is also reported to be an off-flavor in crustaceans such as prawn and sand lobster.

Biochem/physiol Actions

Odor at 0.1% PG
Taste at 0.10-0.30 ppm

related product

Product No.
Description
Pricing

pictograms

FlameExclamation mark

signalword

Warning

Hazard Classifications

Aquatic Chronic 3 - Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2

Storage Class

3 - Flammable liquids

wgk_germany

WGK 2

flash_point_f

107.6 °F - closed cup

flash_point_c

42 °C - closed cup

ppe

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


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Bis-(methylthio)-methane, an important off-flavour component in prawns and sand lobsters.
Whitfield FB, et al.
Chemistry & Industry, 158-159 (1981)
Headspace solid-phase microextraction analysis of volatile organic sulfur compounds in black and white truffle aroma.
Pelusio F, et al.
Journal of Agricultural and Food Chemistry, 43(8), 2138-2143 (1995)
Mosciano, G.
Perfumer & Flavorist, 26, 71-71 (2001)
Osvaldo Zarivi et al.
FEMS microbiology letters, 220(1), 81-88 (2003-03-20)
Tyrosinase is an enzyme having two copper atoms at the reactive site occurring in prokaryotic and eukaryotic organisms. In animals tyrosinase is responsible for pigmentation, in plants for protection of injured tissues or, as in fungi, to harden cell walls.
Mohamed Osman Awaleh et al.
Inorganic chemistry, 46(8), 3185-3191 (2007-03-17)
Two topologically comparable complexes, [Ag6(CF3CO2)3(L1-Me)3(SCH3)3]infinity (1) and [Ag6(CF3CF2CO2)3(L1-Me)2(SCH3)3(H2O)]infinity (2), were prepared and characterized by single-crystal diffractometry. The structures consist of Ag12S6 clusters linked by bis(methylthio)methane ligands, L1-Me, thus forming 1D coordination polymers. The 12 Ag atoms of the cluster are

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