Description

Fluoroboric Acid Dimethyl Ether Complex is a specialized coordination compound formed between fluoroboric acid and dimethyl ether, offering a stabilized source of reactive fluoride and boron species. This complex is valued for its utility as a potent Lewis acid catalyst and fluorinating agent in demanding synthetic transformations. It is a critical reagent for chemical manufacturers and R&D laboratories in the pharmaceutical, agrochemical, and advanced materials sectors, where precise fluorination and catalysis are required.

Application

• Catalyst in Organic Synthesis: Acts as a powerful Lewis acid catalyst for Friedel-Crafts alkylation, acylation, and other electrophilic aromatic substitution reactions.
• Fluorination Reagent: Used as a source of fluoride ions for nucleophilic fluorination processes in the synthesis of fluorinated pharmaceutical intermediates and agrochemicals.
• Electroplating & Surface Treatment: Employed in specialized electroplating baths for depositing boron and metal-boron alloys, enhancing surface hardness and corrosion resistance.
• Polymerization Initiator: Serves as a co-catalyst or initiator in the polymerization of olefins and other monomers, influencing polymer microstructure.
• Etching & Cleaning Agent: Utilized in the microelectronics industry for etching silicon-based materials and cleaning semiconductor surfaces.
• Research & Development: A key reagent in academic and industrial R&D for developing new fluorination methodologies and catalytic processes.

Basic Information

Product Name	Fluoroboric Acid Dimethyl Ether Complex
CAS No.	67969-83-9
Molecular Formula	C2H6BF4O
Molecular Weight	131.88 g/mol
Synonyms	Dimethyl Ether Fluoroborate; Dimethyl Ether-Boron Trifluoride Complex (common misnomer); Boron Fluoride Dimethyl Etherate; Ether, Dimethyl, Compd. with Tetrafluoroboric Acid; HBF4•O(CH3)2; Fluoroboric Acid-Dimethyl Ether Adduct; (Dimethyloxonium)(tetrafluoroborato)boron
EINECS	Contact for details

Quality Control

Our Fluoroboric Acid Dimethyl Ether Complex is manufactured under stringent quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity, consistency, and performance. Certificates of Analysis (COA) detailing assay, impurity profiles, and physical specifications are provided with every shipment to guarantee compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong bases and oxidizing agents. Due to its nature as a strong acid/organic solvent complex, it should be handled with appropriate precautions to avoid moisture absorption and decomposition. Recommended storage temperature: 2-8°C for long-term stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (Complex)	≥ 95.0 %
Free Fluoroboric Acid	≤ 3.0 %
Water Content (KF)	≤ 0.5 %
Density (at 20°C)	~1.25 g/mL

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