(Methyldiphenylsilyl)acetylene
(Methyldiphenylsilyl)acetylene (CAS: 17156-65-9; Formula: C15H14Si; MW: 222.36) is a versatile organosilicon compound featuring a terminal alkyne functionality. It serves as a valuable building block in organic synthesis and chemical research. Its unique structure allows for diverse chemical transformations, making it a useful reagent in the development of complex molecules. Tech Serve Solutions offers this compound for various laboratory and industrial applications.

Organic Synthesis
Utilised as a precursor and building block in the synthesis of complex organic molecules and novel compounds. Its terminal alkyne group is reactive for cross-coupling reactions and other synthetic transformations.
Materials Science
Can be incorporated into polymers or materials where the silyl and alkyne functionalities impart specific properties. Research into new materials may utilise this compound for its structural attributes.
Research and Development
Employed in academic and industrial research laboratories for exploring new chemical reactions and developing innovative synthetic routes. It acts as a key intermediate in various research projects.
| Molecular weight | 222.36 |
|---|---|
| Linear formula | CH3Si(C6H5)2C≡CH |
| Assay | 99% |
| Boiling point | 86 °C/0.05 mmHg(lit.) |
| Density | 1.01 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.575(lit.) |
| Protective equipment | Eyeshields, Gloves |
|---|---|
| Flash point | >113 °C / >235.4 °F |
| 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 (Methyldiphenylsilyl)acetylene used for?
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(Methyldiphenylsilyl)acetylene is used as a building block in organic synthesis and in materials science research. Its reactive terminal alkyne group makes it useful for creating more complex molecules and exploring new chemical transformations.
What is the CAS number and chemical formula for (Methyldiphenylsilyl)acetylene?
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The CAS number is 17156-65-9, and the chemical formula is C15H14Si. The linear formula is CH3Si(C6H5)2C≡CH.
What grade and purity does Tech Serve Solutions supply for (Methyldiphenylsilyl)acetylene?
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Tech Serve Solutions supplies (Methyldiphenylsilyl)acetylene with an assay of 99%. This product is intended for research and laboratory use; TSS does not represent it as USP, BP, EP, or other pharmacopoeia grades.
How should (Methyldiphenylsilyl)acetylene be handled safely?
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Handling requires appropriate personal protective equipment, including eyeshields and gloves. Ensure adequate ventilation. Refer to the Safety Data Sheet (SDS) for comprehensive safety information and hazard details.
Does Tech Serve Solutions export (Methyldiphenylsilyl)acetylene?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including (Methyldiphenylsilyl)acetylene, serving customers worldwide.
How can I request a quote or sample for (Methyldiphenylsilyl)acetylene?
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To request a quote or a sample, please contact our sales team through the website or by phone. Provide the product name and CAS number (17156-65-9) for prompt service.
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