2-(Tri-n-butylstannyl)oxazole
2-(Tri-n-butylstannyl)oxazole (CAS: 145214-05-7), with the molecular formula C15H29NOSn and a molecular weight of 358.11 g/mol, is a valuable organotin compound. It functions as a synthetic building block, notably employed in Stille coupling reactions. Its properties, including refractive index and boiling point, are well-documented, making it a reliable reagent for advanced chemical synthesis.

Stille Coupling Reagent
This organotin compound is a key building block specifically utilised in Stille coupling reactions. This palladium-catalyzed cross-coupling reaction is widely used in organic synthesis for forming carbon-carbon bonds.
Organometallic Synthesis
As an organotin reagent, it serves as a versatile precursor in various organometallic transformations. Its reactivity allows for the introduction of the oxazole moiety into complex molecular structures.
Chemical Synthesis Intermediate
The compound acts as an intermediate in the synthesis of more complex organic molecules. Its functional group allows for targeted modifications and the creation of diverse chemical entities.
| Molecular weight | 358.11 |
|---|---|
| Empirical formula | C15H29NOSn |
| Boiling point | 108-110 °C/0.2 mmHg(lit.) |
| Density | 1.170 g/mL at 25 °C1.71 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.4930(lit.) |
| Application | Synthetic building block used for Stille coupling.1 |



Hazard statements
- H301Toxic if swallowed
- H312Harmful in contact with skin
- H315Causes skin irritation
- H319Causes serious eye irritation
- H372Causes damage to organs through prolonged exposure
- H410Very toxic to aquatic life with long-lasting effects
Precautionary statements
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
- P301IF SWALLOWED
- P305IF IN EYES
- P314Get medical attention if you feel unwell
- P501Dispose of contents and container per local regulations
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | >110 °C / >230 °F |
| Transport (UN / ADR) | UN 2788 6.1 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T,N |
| Risk statements (R) | 21-25-36/38-48/23/25-50/53 |
| Safety statements (S) | 36/37/39-45-60-61 |
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 2-(Tri-n-butylstannyl)oxazole used for?
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2-(Tri-n-butylstannyl)oxazole is primarily used as a synthetic building block in Stille coupling reactions for the formation of carbon-carbon bonds.
What is the CAS number and molecular formula for 2-(Tri-n-butylstannyl)oxazole?
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The CAS number is 145214-05-7 and the molecular formula is C15H29NOSn.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-(Tri-n-butylstannyl)oxazole in a technical/research grade. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should 2-(Tri-n-butylstannyl)oxazole be handled?
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Due to its hazards (H301, H312, H315, H319, H372, H410), handling requires strict safety precautions. Use full-face respirator (US), gloves, and eyeshields/faceshields. Ensure adequate ventilation and avoid release to the environment. Refer to the safety data sheet for detailed guidance.
How is 2-(Tri-n-butylstannyl)oxazole packed, shipped, and exported?
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Product is packed according to international shipping regulations for hazardous materials (UN 2788, Class 6.1, PGIII). We are experienced in global export and ensure compliance with all relevant transport directives.
How can I request a sample or quote for 2-(Tri-n-butylstannyl)oxazole?
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To request a sample or a quote, please contact our sales department via the website or direct email, providing your specific requirements and delivery location.
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