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Bis(methylthio)methane

CAS 1618-26-4CH3SCH2SCH3Chemical Synthesis

Bis(methylthio)methane (CAS: 1618-26-4; Formula: CH3SCH2SCH3; MW: 108.23) is a sulfur-containing organic compound. It serves as a valuable building block and intermediate in various chemical synthesis applications. This compound is essential for organic chemists and researchers requiring specific sulfur functionalities in their molecular targets. Its properties make it suitable for use in the development of new materials and pharmaceuticals.

IUPAC
Dimethylthiomethane,Formaldehyde dimethyl mercaptal
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Bis(methylthio)methane (CH3SCH2SCH3) — chemical structure, CAS 1618-26-4; Chemistry, fine chemical supplied by Tech Serve Solutions
Building BlocksChemical SynthesisOrganic Building BlocksSulfides/DisulfidesSulfur Compounds
01 /Applications

Organic Synthesis Intermediate

Bis(methylthio)methane is utilized as a key intermediate in the synthesis of complex organic molecules. Its structure allows for the introduction of thioether functionalities into target compounds.

Building Block for Heterocycles

This compound can serve as a precursor for the construction of sulfur-containing heterocyclic systems. These heterocycles are important motifs in medicinal chemistry and materials science.

Reagent in Organic Chemistry

Its specific reactivity profile makes Bis(methylthio)methane a useful reagent for specialized organic transformations. It facilitates reactions requiring a masked or activated methylene group flanked by sulfur atoms.

02 /Properties
Molecular weight108.23
Linear formulaCH3SCH2SCH3
Assay≥95.0% (GC)
Boiling point147 °C(lit.)
Density1.059 g/mL at 25 °C(lit.)
Refractive indexn20/D 1.53(lit.)n20/D 1.53
03 /Safety & handling
GHS hazard pictogram: Flammable (GHS02)
Flammable
GHS hazard pictogram: Harmful / irritant (GHS07)
Harmful / irritant
Warning

Hazard statements

  • H226Flammable liquid and vapour
  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation

Precautionary statements

  • P261Avoid breathing dust, fume, gas or vapours
  • P305IF IN EYES
Protective equipmentEyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
Flash point44 °C / 111.2 °F
Transport (UN / ADR)UN 1993C 3 / PGIII
Water hazard class (WGK, DE)3
Hazard codes (EU)Xi
Risk statements (R)10-36/37/38
Safety statements (S)16-26-36/37/39

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry
CAS number
1618-26-4
MDL number
MFCD00008564
PubChem substance
24871266
Beilstein registry
1731143
05 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is Bis(methylthio)methane used for?

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Bis(methylthio)methane is primarily used as a building block and intermediate in organic synthesis, particularly for introducing thioether functionalities and constructing sulfur-containing heterocycles.

What is the CAS number and formula for Bis(methylthio)methane?

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The CAS number for Bis(methylthio)methane is 1618-26-4, and its linear formula is CH3SCH2SCH3.

What grade and purity does Tech Serve Solutions supply?

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Tech Serve Solutions supplies Bis(methylthio)methane with an assay of ≥95.0% (GC). This product is supplied for research and development purposes and is not represented as USP, BP, EP, or other pharmacopoeia grades.

How should Bis(methylthio)methane be handled safely?

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Bis(methylthio)methane is a flammable liquid and vapour (H226), causes skin irritation (H315), causes serious eye irritation (H319), and may cause respiratory irritation (H335). Handle with appropriate personal protective equipment, including eyeshields, gloves, and respiratory protection, in a well-ventilated area. Keep away from heat, sparks, and open flames.

Is Bis(methylthio)methane shipped internationally?

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Yes, Tech Serve Solutions, as a specialist global supplier and exporter, ships Bis(methylthio)methane to customers worldwide, adhering to all relevant shipping and customs regulations.

How can I request a quote or sample for Bis(methylthio)methane?

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To request a quote or sample of Bis(methylthio)methane, please contact the Tech Serve Solutions sales team via our website or by phone, providing your contact details and the required quantity.

Need Bis(methylthio)methane in a specific grade or volume?