Bis(trimethylstannyl)acetylene
Bis(trimethylstannyl)acetylene (CAS 2117-50-2) is an organotin compound with the linear formula (CH3)3SnC≡CSn(CH3)3 and a molecular weight of 351.65 g/mol. This compound serves as a valuable reagent in organic synthesis, particularly in the construction of carbon-carbon bonds through cross-coupling reactions. Its unique structure allows for the introduction of an ethynylene linker into more complex molecules, finding applications in materials science and medicinal chemistry research.
- IUPAC
- 1,2-Ethynediylbis[trimethylstannane],Ethynylenebis[trimethyl]tin
- Synonyms
- 1,2-Ethynediylbis[trimethylstannane]Ethynylenebis[trimethyl]tin
Organometallic Reagent
Bis(trimethylstannyl)acetylene functions as a key organometallic reagent in various synthetic methodologies. It is particularly useful in Stille coupling reactions for forming new carbon-carbon bonds.
Synthesis of Complex Molecules
This compound enables the incorporation of an ethynylene unit into target molecules. This is crucial for the synthesis of conjugated systems, polymers, and other advanced materials with specific electronic or optical properties.
Research and Development
It is employed in academic and industrial research laboratories for exploring novel synthetic pathways and developing new chemical entities. Its application extends to the discovery of new pharmaceuticals and functional materials.
| Molecular weight | 351.65 |
|---|---|
| Linear formula | (CH3)3SnC≡CSn(CH3)3 |
| Melting point | 59-61 °C(lit.) |
Hazard statements
- H300Fatal if swallowed
- H310Fatal in contact with skin
- H330Fatal if inhaled
- H410Very toxic to aquatic life with long-lasting effects
Precautionary statements
- P260Do not breathe dust, fume, gas, mist, vapours or spray
- P264Wash thoroughly after handling
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
- P284Wear respiratory protection
- P301IF SWALLOWED
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 2926 4.1/PG 2 |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | T+,N |
| Risk statements (R) | 26/27/28-50/53 |
| Safety statements (S) | 26-27-28-45-60-61 |
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(trimethylstannyl)acetylene used for?
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Bis(trimethylstannyl)acetylene is primarily used as a reagent in organic synthesis, particularly for introducing ethynylene linkers via Stille coupling and for the synthesis of conjugated systems and complex molecules in research and development.
What are the CAS number and chemical formula for Bis(trimethylstannyl)acetylene?
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The CAS number for Bis(trimethylstannyl)acetylene is 2117-50-2 and its linear formula is (CH3)3SnC≡CSn(CH3)3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Bis(trimethylstannyl)acetylene as a research-grade chemical. We do not represent it as meeting USP, BP, EP, or any pharmacopoeia standards.
How should Bis(trimethylstannyl)acetylene be handled safely?
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Bis(trimethylstannyl)acetylene is a highly toxic compound (Danger, H300-H310-H330-H410). Handle with extreme caution in a well-ventilated area or fume hood, wearing appropriate personal protective equipment including a dust mask (type N95), eyeshields, face shield, gloves, and a type P2 respirator. Avoid contact with skin, eyes, and clothing, and prevent environmental release (N).
How is Bis(trimethylstannyl)acetylene packed and shipped?
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Bis(trimethylstannyl)acetylene is packed and shipped in accordance with UN 2926 regulations for hazardous materials, classified under hazard class 4.1 with a packing group of II. International export services are available.
How can I request a sample or quote for Bis(trimethylstannyl)acetylene?
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To request a sample or a detailed quotation for Bis(trimethylstannyl)acetylene, please contact our sales team through the website or by phone, providing your specific requirements and delivery details.
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