Potassium 3,5-bis(trifluoromethyl)phenyltrifluoroborate
Potassium 3,5-bis(trifluoromethyl)phenyltrifluoroborate (CAS: 166328-09-2) is an organometallic compound featuring a trifluoroborate moiety. With a molecular weight of 320.00 g/mol, it is a valuable reagent in organic synthesis. Its unique structure, incorporating two trifluoromethyl groups on the phenyl ring, makes it particularly useful in cross-coupling reactions and the development of complex molecules for pharmaceutical and materials science applications.
- Synonyms
- (CF3)2C6H3BF3K

Cross-Coupling Reactions
This trifluoroborate salt serves as an effective coupling partner in various transition metal-catalysed cross-coupling reactions, such as Suzuki-Miyaura couplings. It enables the formation of new carbon-carbon bonds, crucial for constructing complex organic structures.
Fluorinated Organic Compound Synthesis
The presence of multiple trifluoromethyl groups makes this compound a useful building block for introducing fluorinated motifs into organic molecules. These motifs can impart desirable properties like increased lipophilicity and metabolic stability.
Materials Science
Compounds derived from this reagent can find applications in the development of novel materials, including organic electronics and specialty polymers, where the unique electronic properties conferred by the trifluoromethyl groups are advantageous.
| Molecular weight | 320.00 |
|---|---|
| Linear formula | (CF3)2C6H3BF3K |

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 3,5-bis(trifluoromethyl)phenyltrifluoroborate used for?
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Potassium 3,5-bis(trifluoromethyl)phenyltrifluoroborate is primarily used as a reagent in organic synthesis, particularly in transition metal-catalysed cross-coupling reactions like the Suzuki-Miyaura coupling, and for the synthesis of fluorinated organic compounds and materials.
What is the CAS number and formula for Potassium 3,5-bis(trifluoromethyl)phenyltrifluoroborate?
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The CAS number is 166328-09-2, and its linear formula is (CF3)2C6H3BF3K.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical typically as a research or technical grade. The precise assay and grade are available on the Certificate of Analysis upon request. TSS does not represent this product as USP, BP, EP, or pharmacopoeia grade.
How should Potassium 3,5-bis(trifluoromethyl)phenyltrifluoroborate be handled?
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This compound is classified as a Warning with hazards H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation). Appropriate personal protective equipment, including a dust mask (type N95 or equivalent), eyeshields, and gloves, must be worn. Handle in a well-ventilated area. Refer to the Safety Data Sheet (SDS) for comprehensive handling instructions.
How is Potassium 3,5-bis(trifluoromethyl)phenyltrifluoroborate shipped?
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Tech Serve Solutions safely packs and ships this chemical globally, adhering to all relevant transportation regulations for chemical exports. Packaging details can be provided upon specific inquiry.
How can I request a sample or quote?
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To request a sample or a quotation for Potassium 3,5-bis(trifluoromethyl)phenyltrifluoroborate, please contact our sales team via the website or direct email, specifying the quantity required and your shipping destination.
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