W387800

Bis(methylthio)methane

≥99%, FG

• Synonym(s): Truffle sulfide, Dimethylthiomethane, Formaldehyde dimethyl mercaptal
• Linear Formula: CH₃SCH₂SCH₃
• CAS Number: 1618-26-4
• Molecular Weight: 108.23
• FEMA Number: 3878
• Beilstein: 1731143
• EC Number: 216-577-9
• MDL number: MFCD00008564
• UNSPSC Code: 12164502
• PubChem Substance ID: 24901927
• Flavis number: 12.118
• NACRES: NA.21

Properties

• biological source: synthetic
• Quality Level: 400
• 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

Description

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.

Application

• RIFM fragrance ingredient safety assessment, bis-(methylthio)methane, CAS Registry Number 1618-26-4.: This safety assessment explores the use of bis(methylthio)methane as a fragrance ingredient. The study evaluates its toxicological profile, confirming its safety for use in various cosmetic and personal care products (Api et al., 2021).


• Characterization of the Key Aroma Compounds in Three Truffle Varieties from China by Flavoromics Approach.: Bis(methylthio)methane is identified as a significant aroma compound in Chinese truffle varieties. The research uses a flavoromics approach to map out the aroma profiles, supporting the enhancement of truffle-based products (Feng et al., 2019).


• Multidimensional Gas Chromatography Coupled to Combustion-Isotope Ratio Mass Spectrometry/Quadrupole MS with a Low-Bleed Ionic Liquid Secondary Column for the Authentication of Truffles and Products Containing Truffle.: This analytical method leverages bis(methylthio)methane as a marker for authenticating truffle products. The study improves the reliability of truffle product verification, ensuring quality control in the food industry (Sciarrone et al., 2018).


• Olfactometry Profiles and Quantitation of Volatile Sulfur Compounds of Swiss Tilsit Cheeses.: Bis(methylthio)methane is quantified as a key sulfur compound in Swiss Tilsit cheese. The study′s findings contribute to the understanding of cheese aroma profiles, aiding in the development of flavor-enhanced dairy products (Fuchsmann et al., 2015).

Biochem/physiol Actions

Odor at 0.1% PG

Taste at 0.10-0.30 ppm

Safety Information

• Pictograms: GHS02,GHS07
• Signal Word: Warning
• Hazard Statements: H226 - H315 - H319 - H412
• Precautionary Statements: P210 - P233 - P240 - P273 - P303 + P361 + P353 - P305 + P351 + P338
• Hazard Classifications: Aquatic Chronic 3 - Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2
• Storage Class Code: 3 - Flammable liquids
• WGK: WGK 2
• Flash Point(F): 107.6 °F - closed cup
• Flash Point(C): 42 °C - closed cup
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves