(2-Thienyl)trimethylsilane
(2-Thienyl)trimethylsilane (CAS: 18245-28-8), with the molecular formula C7H12SSi and a molecular weight of 156.32 g/mol, is a versatile organosilicon compound. It finds utility as a building block in organic synthesis, particularly in reactions involving the introduction of a thienyl moiety. This compound serves as a valuable reagent in the development of novel materials and complex molecular structures.
- IUPAC
- 2-(Trimethylsilyl)thiophene,Trimethyl(thiophen-2-yl)silane
- Synonyms
- 2-(Trimethylsilyl)thiopheneTrimethyl(thiophen-2-yl)silane

Organic Synthesis Intermediate
Utilised as a key intermediate in the synthesis of various organic molecules. Its trimethylsilyl group can facilitate specific coupling reactions or act as a protecting group.
Organosilicon Chemistry
Serves as a reagent within organosilicon chemistry, enabling the construction of silicon-containing organic frameworks with potential applications in materials science.
Pharmaceutical and Agrochemical Research
Employed in research and development for the synthesis of potential pharmaceutical agents and agrochemicals, where the thiophene ring is a common structural motif.
| Molecular weight | 156.32 |
|---|---|
| Empirical formula | C7H12SSi |
| Assay | 97% |
| Density | 0.926 g/mL at 25 °C |
| Refractive index | n20/D 1.497 |
| Storage temperature | 2-8°C |


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
| Flash point | 41 °C / 105.8 °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.
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 (2-Thienyl)trimethylsilane used for?
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(2-Thienyl)trimethylsilane is used as an intermediate in organic synthesis, particularly for introducing the thienyl group into molecules, and in organosilicon chemistry research.
What are the CAS number and formula for (2-Thienyl)trimethylsilane?
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The CAS number is 18245-28-8, and the molecular formula is C7H12SSi.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (2-Thienyl)trimethylsilane with an assay of 97%. This product is not represented as USP, BP, EP, or other pharmacopoeia grades.
How should (2-Thienyl)trimethylsilane be handled safely?
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Handle (2-Thienyl)trimethylsilane with appropriate personal protective equipment, as it is a flammable liquid and irritant to skin, eyes, and the respiratory system. Store in a cool, well-ventilated place away from ignition sources. Refer to the Safety Data Sheet for detailed handling instructions.
How is (2-Thienyl)trimethylsilane packed and shipped?
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This product is packed according to regulatory requirements for flammable liquids and shipped globally by Tech Serve Solutions, a specialist supplier and exporter.
How can I request a sample or quote for (2-Thienyl)trimethylsilane?
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Please contact Tech Serve Solutions directly via our website or sales department to request a sample or a quotation for (2-Thienyl)trimethylsilane.
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