Description

Bis-2-Ethylhexylammonium Tetrafluoroborate CAS NO 99709-72-5 is a specialized quaternary ammonium salt with a tetrafluoroborate counterion, valued for its unique combination of lipophilic character and ionic conductivity. This compound serves as a critical phase-transfer catalyst and ionic liquid precursor in advanced organic synthesis and materials science. It is essential for manufacturers and R&D laboratories in the pharmaceutical, agrochemical, and specialty polymer industries seeking efficient reaction mediators and electrolyte components.

Application

• Phase-Transfer Catalyst (PTC): Facilitates reactions between reagents in immiscible phases, particularly in alkylation, esterification, and displacement reactions.
• Electrolyte Component: Used in the formulation of electrolytes for electrochemical devices, including capacitors and lithium-ion batteries, due to its ionic nature and stability.
• Ionic Liquid Synthesis: Acts as a key precursor or additive in the preparation of task-specific ionic liquids for green chemistry applications.
• Polymerization Aid: Employed as a catalyst or stabilizer in the synthesis of certain polymers and resins.
• Pharmaceutical Intermediates: Utilized in the synthesis of complex drug molecules where its phase-transfer properties are advantageous.
• Extraction Agent: Can be used in the separation and purification of metals or organic compounds in analytical and industrial processes.

Basic Information

Product Name	Bis-2-Ethylhexylammonium Tetrafluoroborate
CAS No.	99709-72-5
Molecular Formula	C₁₆H₃₆BF₄N
Molecular Weight	329.28 g/mol
Synonyms	Bis(2-ethylhexyl)ammonium Tetrafluoroborate; Di(2-ethylhexyl)ammonium Tetrafluoroborate; N,N-Bis(2-ethylhexyl)ammonium Tetrahydrofluoroborate; 2-Ethylhexylammonium Tetrafluoroborate (bis-substituted); BEA-TFB; PTC Catalyst B-224; Ammonium, bis(2-ethylhexyl)-, tetrafluoroborate(1-)
EINECS	Contact for details

Quality Control

Our Bis-2-Ethylhexylammonium Tetrafluoroborate is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including assay by titration, impurity profiling, and confirmation of identity, to ensure it meets precise customer specifications and high-purity standards. A comprehensive Certificate of Analysis (COA) documenting purity, physical properties, and test results is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept under an inert atmosphere or in a desiccator after opening to prevent degradation. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (Titration)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Heavy Metals (as Pb)	≤ 10 ppm
Residue on Ignition	≤ 0.1%

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