Potassium 3-formylphenyltrifluoroborate
Potassium 3-formylphenyltrifluoroborate (CAS: 871231-44-6; Formula: C7H5BF3KO; MW: 212.02) is a versatile aryl trifluoroborate salt. This organoboron compound functions as a valuable building block in organic synthesis, particularly in cross-coupling reactions. It is widely employed as a reagent in the chemical industry for the preparation of complex organic molecules, pharmaceutical intermediates, and novel materials.

Organic Synthesis
Serves as a key intermediate in various synthetic routes, enabling the formation of new carbon-carbon bonds. Its trifluoroborate moiety is well-suited for Suzuki-Miyaura cross-coupling reactions.
Pharmaceutical Intermediates
Utilised in the development and production of active pharmaceutical ingredients (APIs) and drug candidates. Its specific functional groups allow for targeted structural modifications in medicinal chemistry.
Materials Science
Can be incorporated into the synthesis of advanced materials, including polymers and organic electronic components, where its unique structure imparts desirable properties.
Research and Development
A useful reagent for academic and industrial research laboratories exploring novel chemical transformations and molecular architectures.
| Molecular weight | 212.02 |
|---|---|
| Empirical formula | C7H5BF3KO |
| Assay | 95% |
| Melting point | >300 °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-formylphenyltrifluoroborate used for?
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It is primarily used as a building block in organic synthesis, especially in cross-coupling reactions for creating complex organic molecules, pharmaceutical intermediates, and advanced materials.
What are the CAS number and formula for Potassium 3-formylphenyltrifluoroborate?
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The CAS number is 871231-44-6, and the empirical formula (Hill notation) is C7H5BF3KO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this compound with an assay of 95%. This product is intended for research and chemical synthesis purposes and is not represented as USP, EP, BP, or any other pharmacopoeial grade.
What are the safety considerations when handling this product?
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This compound is a Warning substance that causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Appropriate personal protective equipment, including a dust mask (N95), eyeshields, and gloves, must be worn. Ensure adequate ventilation.
How is this chemical supplied and exported?
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We offer this product for laboratory and industrial use and expertly manage its packaging, shipping, and export worldwide, adhering to all necessary regulations.
How can I request a sample or a quote?
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Please contact our sales team via the website or email to request a sample or obtain a quotation for Potassium 3-formylphenyltrifluoroborate.
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