Description

Tetramethylammonium Tetrafluoroborate is a high-purity, white crystalline salt widely used as a versatile electrolyte and chemical precursor. Its primary value lies in its excellent electrochemical stability and solubility in polar aprotic solvents, making it a critical component for advanced material synthesis. This compound is essential for manufacturers and researchers in the electronics, battery technology, and specialty chemical sectors seeking reliable performance in demanding applications.

Application

• Electrolyte for Electrochemical Devices: A key component in electrolytes for supercapacitors, lithium-ion batteries, and electrochemical capacitors due to its high ionic conductivity and wide electrochemical window.
• Chemical Synthesis & Catalysis: Serves as a phase-transfer catalyst (PTC) and a source of tetramethylammonium cations in organic synthesis reactions.
• Ion-Pair Chromatography: Used as a mobile phase additive in High-Performance Liquid Chromatography (HPLC) for the separation of ionic and polar compounds.
• Etching & Plating Solutions: Employed in the formulation of specialized etching baths and electroplating solutions within the microelectronics and semiconductor industries.
• Research & Development: A fundamental reagent in academic and industrial R&D for studying ionic liquids, electrochemical processes, and material science.
• Polymer Electrolytes: Incorporated into solid polymer electrolytes to enhance ionic mobility for next-generation energy storage systems.

Basic Information

Product Name	Tetramethylammonium Tetrafluoroborate
CAS No.	661-36-9
Molecular Formula	C4H12BF4N
Molecular Weight	160.95 g/mol
Synonyms	TMA-TFB; Tetramethylammonium Fluoroborate; N,N,N-Trimethylmethanaminium Tetrafluoroborate; Tetramethylazanium Tetrafluoroborate; Ammonium, tetramethyl-, tetrafluoroborate(1-); Me4NBF4; TMA BF4
EINECS	211-549-1

Quality Control

Our Tetramethylammonium Tetrafluoroborate is manufactured under stringent quality management systems to ensure batch-to-batch consistency and high purity. We provide comprehensive analytical data, including HPLC purity, ion chromatography for anion content, and Karl Fischer titration for water content. A detailed Certificate of Analysis (COA) is supplied with each shipment, confirming compliance with agreed specifications.

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 in a dry environment. For long-term storage, consider using a desiccator or inert atmosphere packaging to prevent moisture uptake.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 99.0%
Water Content (KF)	≤ 0.5%
Chloride (Cl)	≤ 100 ppm
Sulfate (SO4)	≤ 100 ppm
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 0.1%

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