Potassium 3-carboxyphenyltrifluoroborate
Potassium 3-carboxyphenyltrifluoroborate (CAS: 850313-91-6; Formula: C7H5BF3KO2; MW: 228.02) is an organotrifluoroborate salt renowned for its utility in organic synthesis. It functions as a stable and versatile surrogate for boronic acids, particularly in various cross-coupling reactions. This compound is a valuable reagent for constructing complex organic molecules, finding application in research and development settings within the chemical and pharmaceutical industries.

Organotrifluoroborate Reagent
Utilised as an organotrifluoroborate in cross-coupling reactions. It serves as a robust alternative to boronic acids, enabling efficient bond formation in synthetic pathways.
Chemical Synthesis
A key intermediate in the synthesis of complex organic compounds. Its trifluoroborate moiety offers stability and controlled reactivity, facilitating challenging synthetic transformations.
Pharmaceutical Intermediate
Potentially employed in the synthesis of pharmaceutical intermediates. Its participation in cross-coupling reactions can be crucial for building the carbon frameworks of drug candidates.
| Molecular weight | 228.02 |
|---|---|
| Empirical formula | C7H5BF3KO2 |
| Assay | 97% |
| Application | Organotrifluoroborate involved in cross-coupling reactions with halopurines1Organotrifluoroborates as versatile and stable boronic acid surrogates. |
| 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-carboxyphenyltrifluoroborate used for?
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Potassium 3-carboxyphenyltrifluoroborate is used in organic synthesis, primarily as an organotrifluoroborate reagent in cross-coupling reactions. It acts as a stable surrogate for boronic acids in the construction of complex organic molecules.
What are the CAS number and formula for Potassium 3-carboxyphenyltrifluoroborate?
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The CAS number is 850313-91-6, and the empirical formula is C7H5BF3KO2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Potassium 3-carboxyphenyltrifluoroborate with an assay of 97%. This product is supplied for research and development purposes and is not represented as USP, BP, EP, or any other pharmacopoeial grade.
How should Potassium 3-carboxyphenyltrifluoroborate be handled safely?
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This compound is a Warning irritant. It may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Handle with appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, and gloves, in a well-ventilated area.
Is Potassium 3-carboxyphenyltrifluoroborate a controlled substance?
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The provided data does not indicate that Potassium 3-carboxyphenyltrifluoroborate is a controlled substance.
How can I request a quote or sample?
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To request a quote or sample of Potassium 3-carboxyphenyltrifluoroborate, please contact the Tech Serve Solutions sales team through the website or by phone.
How is this chemical typically shipped or exported?
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Tech Serve Solutions is a global supplier and exporter experienced in shipping fine chemicals. Specific packaging and shipping methods comply with relevant regulations for the safe international transport of chemical reagents.
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