Description

Potassium 4-Pyridyltrifluoroborate (CAS: 1111732-87-6) is a high-purity organoboron reagent designed for advanced synthetic applications in pharmaceutical and materials research. This compound, with the molecular formula C₅H₄BF₃KN, serves as a versatile building block for Suzuki-Miyaura cross-coupling reactions, enabling the efficient formation of C-C bonds in complex organic frameworks. Its trifluoroborate moiety enhances stability and solubility, making it ideal for air- and moisture-sensitive reactions. With a well-characterized structure and exceptional batch-to-batch consistency, this reagent is essential for medicinal chemistry, agrochemical development, and catalyst design. Packaged under inert conditions to ensure longevity and performance, it is available in quantities ranging from milligrams to kilograms to meet both research and production-scale demands.

Properties

• CAS Number: 1111732-87-6
• Complexity: 113
• IUPAC Name: potassium;trifluoro(4-pyridyl)boranuide
• InChI: InChI=1S/C5H4BF3N.K/c7-6(8,9)5-1-3-10-4-2-5;/h1-4H;/q-1;+1
• InChI Key: SLPOSOZRTRIRQS-UHFFFAOYSA-N
• Exact Mass: 185.0025953
• Molecular Formula: C5H4BF3KN
• Molecular Weight: 185.00
• SMILES: [B-](C1=CC=NC=C1)(F)(F)F.[K+]
• Topological: 12.9
• Monoisotopic Mass: 185.0025953
• Synonyms: Potassium 4-Pyridyltrifluoroborate, 690-558-7, 932-582-5, 1111732-87-6, Potassium pyridine-4-trifluoroborate, MFCD09038543, potassium trifluoro(pyridin-4-yl)boranuide, potassium;trifluoro(pyridin-4-yl)boranuide, C5H4BF3KN, Potassium4-Pyridyltrifluoroborate, SCHEMBL23910675, DTXSID70649122, AKOS012987045, AS-2716, CS-W010743, SY056550, P1684, Potassium trifluoro(pyridin-4-yl)borate(1-), TRIFLUORO-4-PYRIDINYL-BORATE POTASSIUM, N12202, EN300-1253032

Potassium 4-Pyridyltrifluoroborate is widely used in Suzuki-Miyaura cross-coupling reactions to introduce pyridyl groups into aromatic systems, facilitating drug discovery and material science applications. Its stability under aqueous conditions makes it suitable for one-pot multistep syntheses. Researchers leverage this compound to develop bioactive molecules, ligands, and functionalized polymers. It is particularly valuable in constructing heterocyclic scaffolds for pharmaceuticals.

Safety and Hazards

GHS Hazard Statements

• H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
• H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
• H335 (97.5%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

• P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501

Hazard Classes and Categories

• Skin Irrit. 2 (100%)
• Eye Irrit. 2 (100%)
• STOT SE 3 (97.5%)

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Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.