Potassium 5-methyl-2-thiophenetrifluoroborate
Potassium 5-methyl-2-thiophenetrifluoroborate (CAS: 871231-40-2), with the molecular formula CH3C4H2SBF3K and a molecular weight of 204.06 g/mol, is a valuable organometallic reagent. This trifluoroborate salt is primarily utilised in organic synthesis, particularly in cross-coupling reactions. Its structural features enable participation in a range of transformations, making it a useful building block for constructing complex organic molecules.
Cross-Coupling Reactions
Potassium 5-methyl-2-thiophenetrifluoroborate is employed as a coupling partner in palladium-catalysed cross-coupling reactions, such as Suzuki-Miyaura couplings. It facilitates the formation of carbon-carbon bonds by introducing the 5-methyl-2-thienyl moiety into various organic frameworks.
Organic Synthesis
This compound serves as a versatile building block in the synthesis of complex organic molecules. Its trifluoroborate functionality offers stability and reactivity suitable for a wide array of synthetic methodologies, aiding in the construction of novel chemical entities.
Heteroaryl Synthesis
It is particularly useful for the introduction of substituted thiophene rings into target molecules. This capability is crucial in the development of pharmaceuticals, agrochemicals, and materials science where heteroaryl motifs are frequently encountered.
| Molecular weight | 204.06 |
|---|---|
| Linear formula | CH3C4H2SBF3K |
| Assay | 95% |
| Melting point | >220 °C>250 °C (dec., DSC) |
Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36/37 |
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 Potassium 5-methyl-2-thiophenetrifluoroborate used for?
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Potassium 5-methyl-2-thiophenetrifluoroborate is primarily used in organic synthesis, especially in palladium-catalysed cross-coupling reactions, to introduce the 5-methyl-2-thienyl group into molecules.
What are the CAS number and formula for Potassium 5-methyl-2-thiophenetrifluoroborate?
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The CAS number is 871231-40-2 and the chemical formula is CH3C4H2SBF3K.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Potassium 5-methyl-2-thiophenetrifluoroborate with an assay of 95%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
What are the safety and handling considerations for this compound?
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This compound is a Warning substance, causing skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). It requires the use of a dust mask type N95, eyeshields, and gloves. Ensure adequate ventilation.
How is Potassium 5-methyl-2-thiophenetrifluoroborate typically packed and shipped?
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As a specialist global supplier, TSS exports this chemical, ensuring it is packed and shipped in compliance with international regulations for hazardous materials.
How can I request a sample or quote for Potassium 5-methyl-2-thiophenetrifluoroborate?
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To request a sample or a quote, please contact our sales team through the website or by phone, providing the product name and CAS number (871231-40-2).
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