Bis(trimethylsilylmethyl) sulfide
Bis(trimethylsilylmethyl) sulfide (CAS: 4712-51-0), with the molecular formula C8H22SSi2 and a molecular weight of 206.50 g/mol, is a specialised organosilicon compound. It functions as a valuable building block in organic synthesis. Its primary applications lie in the construction of complex molecular architectures within research and development settings, particularly in the fields of materials science and pharmaceutical chemistry.
- IUPAC
- Thiobis(methylene)bis(trimethylsilane)
- Synonyms
- Thiobis(methylene)bis(trimethylsilane)

Organic Synthesis Reagent
Bis(trimethylsilylmethyl) sulfide serves as a versatile reagent in organic synthesis. It can be employed as a sulfur source or as a silylating agent in various chemical transformations.
Building Block for Advanced Materials
This compound can be utilised as a precursor for the synthesis of novel organosilicon materials. Its unique structure allows for the incorporation of sulfur and silicon moieties into polymer backbones or functionalised surfaces.
Precursor in Pharmaceutical Intermediates
In the development of new pharmaceuticals, Bis(trimethylsilylmethyl) sulfide may find application as a building block for constructing complex molecular scaffolds required for drug discovery and synthesis.
| Molecular weight | 206.50 |
|---|---|
| Empirical formula | C8H22SSi2 |
| Assay | ≥98.0% |
| Boiling point | 88 °C/21 mmHg(lit.) |
| Density | 0.844 g/mL at 20 °C(lit.) |
| Refractive index | n20/D 1.455 |
| Protective equipment | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 65 °C / 149 °F |
| Transport (UN / ADR) | UN 3334 |
| Water hazard class (WGK, DE) | 3 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
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.
What is Bis(trimethylsilylmethyl) sulfide used for?
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Bis(trimethylsilylmethyl) sulfide is primarily used as a building block in organic synthesis, particularly for creating organosilicon materials and potentially as an intermediate in pharmaceutical research.
What are the CAS number and molecular formula for Bis(trimethylsilylmethyl) sulfide?
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The CAS number is 4712-51-0, and the molecular formula is C8H22SSi2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Bis(trimethylsilylmethyl) sulfide with an assay of ≥98.0%. We do not represent this product as USP, EP, or BP grade.
How should Bis(trimethylsilylmethyl) sulfide be handled safely?
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Safety precautions include wearing appropriate eye protection and gloves. Respiratory protection may be necessary; refer to the Safety Data Sheet for detailed guidance, as it is a combustible liquid with a flash point of 65°C.
Can Tech Serve Solutions export Bis(trimethylsilylmethyl) sulfide?
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Yes, Tech Serve Solutions specialises in the global supply and export of fine chemicals, including Bis(trimethylsilylmethyl) sulfide.
How can I request a quote or sample for Bis(trimethylsilylmethyl) sulfide?
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Please contact our sales team through the website to request a quote or sample for Bis(trimethylsilylmethyl) sulfide.
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