Potassium 3,4-(methylenedioxy)phenyltrifluoroborate
Potassium 3,4-(methylenedioxy)phenyltrifluoroborate (CAS: 871231-46-8) is an organoboron compound with the molecular formula C7H5BF3KO2 and a molecular weight of 228.02 g/mol. It is a useful reagent in organic synthesis, particularly in cross-coupling reactions. Available at a purity of 97%, this trifluoroborate salt serves as a valuable building block for creating complex organic molecules in research and development settings.
- Synonyms
- C7H5BF3KO2

Suzuki-Miyaura Cross-Coupling Reactions
This potassium trifluoroborate salt is an effective coupling partner in Suzuki-Miyaura reactions. It facilitates the formation of carbon-carbon bonds with aryl or vinyl halides under palladium catalysis.
Synthesis of Biologically Active Compounds
The 3,4-(methylenedioxy)phenyl moiety can be incorporated into various organic frameworks. This makes the compound a valuable intermediate for the synthesis of molecules with potential pharmaceutical or agrochemical applications.
Catalysis Research
As an organometallic reagent, it can be employed in exploring new catalytic systems. Its unique structure may offer advantages in specific transformations or in the development of novel catalytic processes.
| Molecular weight | 228.02 |
|---|---|
| Empirical formula | C7H5BF3KO2 |
| Assay | 97% |
| Melting point | 236-242 °C |

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 |
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 3,4-(methylenedioxy)phenyltrifluoroborate used for?
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Potassium 3,4-(methylenedioxy)phenyltrifluoroborate is primarily used as a reagent in organic synthesis, particularly for carbon-carbon bond formation in cross-coupling reactions like the Suzuki-Miyaura coupling. It serves as a building block for creating complex organic molecules.
What are the CAS number and formula for this compound?
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The CAS number for Potassium 3,4-(methylenedioxy)phenyltrifluoroborate is 871231-46-8. Its empirical formula is C7H5BF3KO2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Potassium 3,4-(methylenedioxy)phenyltrifluoroborate with an assay of 97%. TSS does not represent this product as USP, BP, EP, or any pharmacopoeia grade.
How should Potassium 3,4-(methylenedioxy)phenyltrifluoroborate be handled?
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According to GHS guidelines, this compound is a warning. It can cause skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Appropriate personal protective equipment includes a dust mask type N95 (US), eyeshields, and gloves. Handle in a well-ventilated area.
How is this chemical packed, shipped, and exported?
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Products are carefully packed in compliance with international shipping regulations. TSS is a global supplier and exporter, experienced in handling and shipping fine chemicals worldwide. Specific packaging details can be provided upon request.
How can I request a sample or a quote for this product?
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To request a sample or a quote, please use the 'Request Quote' or 'Contact Us' form on the Tech Serve Solutions website, or contact our sales team directly with your inquiry, referencing the product name and CAS number.
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