Description

Hydrogen [4-Di-tert-Butylphosphino-2,3,5,6-Tetrafluorophenyl]Hydrobis(2,3,4,5,6-Pentafluorophenyl)Borate is a sophisticated, fluorinated phosphine-borate salt, a key class of compound in modern organometallic chemistry and catalysis. Its primary value lies in its role as a highly effective and tunable counterion or ligand precursor for generating active transition metal catalysts. This product is essential for researchers and process chemists in the pharmaceutical, agrochemical, and specialty chemical industries who require precise control over catalytic reactions, particularly in cross-coupling and hydrogenation processes.

Application

• Precursor for Bulky, Electron-Deficient Phosphine Ligands: Used to generate highly active ligands for palladium and nickel-catalyzed cross-coupling reactions (e.g., Suzuki, Heck, Buchwald-Hartwig amination).
• Catalyst Component for Fine Chemical Synthesis: Employed in the development of catalysts for the asymmetric synthesis of pharmaceutical intermediates and active ingredients.
• Co-catalyst/Activator in Olefin Polymerization: Functions as a component in catalyst systems for the polymerization of α-olefins, influencing polymer microstructure.
• Research & Development in Organometallic Chemistry: Serves as a valuable building block for academic and industrial R&D into new catalytic cycles and materials.
• Hydrogenation Catalysis: Can be utilized in the design of catalysts for selective hydrogenation reactions.

Basic Information

Product Name	Hydrogen [4-Di-tert-Butylphosphino-2,3,5,6-Tetrafluorophenyl]Hydrobis(2,3,4,5,6-Pentafluorophenyl)Borate
CAS No.	952208-49-0
Molecular Formula	C34H19BF16P
Molecular Weight	788.28 g/mol
Synonyms	Hydrogen [4-(Di-tert-butylphosphino)-2,3,5,6-tetrafluorophenyl]hydrobis(2,3,4,5,6-pentafluorophenyl)borate; [H(OEt2)2][B(3,5-(CF3)2C6H3)4]; Related to BARF anion derivatives; Fluorinated phosphine-borate salt; (4-Di-tert-butylphosphino-2,3,5,6-tetrafluorophenyl)hydrobis(pentafluorophenyl)borate hydrogen salt; Tetrakis[3,5-bis(trifluoromethyl)phenyl]borate derivative precursor; Tunable weakly coordinating anion precursor.
EINECS	Contact for details

Quality Control

Our production of this advanced chemical is governed by a rigorous quality management system. Each batch is characterized using advanced analytical techniques including NMR (1H, 19F, 31P, 11B), HPLC, and elemental analysis to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment to support your R&D and quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (argon or nitrogen) at 2-8°C in a cool, dry place. This compound is moisture-sensitive and easily oxidized; prolonged exposure to air or ambient humidity should be avoided. Allow the container to reach room temperature before opening to minimize moisture ingress.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 95%
Assay (Elemental Analysis)	Within theoretical ± 0.4%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.