Potassium 3-hydroxyphenyltrifluoroborate
Potassium 3-hydroxyphenyltrifluoroborate (CAS: 871231-45-7; Formula: C6H5BF3KO; MW: 200.01) is a versatile organoboron compound supplied by Tech Serve Solutions. This trifluoroborate salt is primarily utilised in organic synthesis, particularly in cross-coupling reactions. Its structure makes it a valuable reagent for introducing aryl groups in the development of complex organic molecules and pharmaceutical intermediates.

Suzuki-Miyaura Cross-Coupling Reactions
Potassium 3-hydroxyphenyltrifluoroborate serves as an effective coupling partner in Suzuki-Miyaura reactions. This facilitates the formation of carbon-carbon bonds for synthesising biaryl compounds and other complex organic structures.
Pharmaceutical Intermediate Synthesis
This compound is employed in the synthesis of advanced pharmaceutical intermediates. Its trifluoroborate moiety allows for controlled functionalisation in drug discovery and development pathways.
Organic Synthesis Reagent
As a boronic acid derivative, it is a valuable building block in general organic synthesis. It can be used to introduce the 3-hydroxyphenyl group into various molecular frameworks.
| Molecular weight | 200.01 |
|---|---|
| Empirical formula | C6H5BF3KO |
| Assay | 96% |
| Melting point | 170-190 °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-hydroxyphenyltrifluoroborate used for?
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Potassium 3-hydroxyphenyltrifluoroborate is primarily used in organic synthesis, especially in Suzuki-Miyaura cross-coupling reactions and the synthesis of pharmaceutical intermediates.
What is the CAS number and chemical formula for Potassium 3-hydroxyphenyltrifluoroborate?
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The CAS number is 871231-45-7, and the chemical formula is C6H5BF3KO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Potassium 3-hydroxyphenyltrifluoroborate with an assay of 96%. We do not represent this product as USP, BP, or EP grade.
How should Potassium 3-hydroxyphenyltrifluoroborate be handled?
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Handle with appropriate personal protective equipment, including a dust mask (type N95 US recommended), eyeshields, and gloves. Avoid breathing dust and ensure adequate ventilation, as it may cause skin, eye, and respiratory irritation (H315, H319, H335).
How is this chemical shipped by Tech Serve Solutions?
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Tech Serve Solutions exports and supplies chemicals globally, adhering to all relevant shipping and handling regulations.
How can I request a quote or sample?
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Please contact our sales team via the website or by phone to request a quotation or a sample of Potassium 3-hydroxyphenyltrifluoroborate.
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