Potassium 4-(trifluoromethyl)phenyltrifluoroborate
Potassium 4-(trifluoromethyl)phenyltrifluoroborate (CAS: 166328-08-1; Formula: F3CC6H5BF3K; MW: 252.01) is a stable organoboron compound. It serves as a valuable reagent in organic synthesis, particularly in cross-coupling reactions. Its trifluoroborate moiety offers enhanced stability compared to corresponding boronic acids, making it a practical choice for various chemical transformations and the development of novel organic molecules.

Suzuki-Miyaura Coupling Reagent
This trifluoroborate salt is a key component in Suzuki-Miyaura cross-coupling reactions, enabling the formation of carbon-carbon bonds with aryl and vinyl halides. It is utilized in the synthesis of complex organic structures.
Organic Synthesis
Potassium 4-(trifluoromethyl)phenyltrifluoroborate acts as a versatile building block in the construction of diverse organic molecules. Its unique structural features contribute to its reactivity and utility in synthetic chemistry.
Material Science
The incorporation of trifluoromethylphenyl groups can influence the electronic and physical properties of materials. This compound may be employed in the synthesis of advanced materials with tailored characteristics.
| Molecular weight | 252.01 |
|---|---|
| Linear formula | F3CC6H5BF3K |
| Assay | 96% |
| Melting point | >300 °C(lit.) |

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 4-(trifluoromethyl)phenyltrifluoroborate used for?
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Potassium 4-(trifluoromethyl)phenyltrifluoroborate is primarily used as a reagent in Suzuki-Miyaura cross-coupling reactions for the formation of carbon-carbon bonds and as a building block in general organic synthesis.
What is the CAS number and formula for Potassium 4-(trifluoromethyl)phenyltrifluoroborate?
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The CAS number is 166328-08-1 and the molecular formula is F3CC6H5BF3K.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Potassium 4-(trifluoromethyl)phenyltrifluoroborate with an assay of 96%. This product is not represented as USP, BP, EP, or pharmacopoeia grade.
How should Potassium 4-(trifluoromethyl)phenyltrifluoroborate be handled?
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Handle Potassium 4-(trifluoromethyl)phenyltrifluoroborate with appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, and gloves. Avoid breathing dust. Ensure adequate ventilation. It is classified as causing skin irritation, eye irritation, and respiratory irritation (H315-H319-H335).
How is this chemical packed, shipped, and exported?
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Tech Serve Solutions is a global supplier and exporter of fine chemicals, adhering to strict packaging and shipping regulations for international transport.
How can I request a quote or sample?
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To request a quote or sample of Potassium 4-(trifluoromethyl)phenyltrifluoroborate, please contact the Tech Serve Solutions sales team through our website or by phone.
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