Description

1-Butyl-2,3-Dimethylimidazolium Tetrafluoroborate is a high-purity ionic liquid belonging to the imidazolium salt family. This compound serves as a versatile, non-aqueous reaction medium and electrolyte, prized for its low volatility, high thermal stability, and excellent ionic conductivity. It is a critical material for researchers and manufacturers in advanced battery technology, electrochemistry, and green synthesis processes, where precise control over the chemical environment is paramount.

Application

• Electrolyte Component for lithium-ion batteries, supercapacitors, and other advanced energy storage devices.
• Green Solvent & Reaction Medium for organic synthesis, catalysis (e.g., Diels-Alder, Friedel-Crafts), and polymerization reactions.
• Electroplating & Metal Deposition baths, particularly for aluminum and other reactive metals.
• Gas Separation & Capture media due to its selective solubility properties for gases like CO₂ and SO₂.
• Lubricant & Additive in high-performance mechanical systems requiring thermal stability and low vapor pressure.
• Analytical Chemistry as a stationary phase modifier in chromatography or a matrix in mass spectrometry.

Basic Information

Product Name	1-Butyl-2,3-Dimethylimidazolium Tetrafluoroborate
CAS No.	402846-78-0
Molecular Formula	C₉H₁₇BF₄N₂
Molecular Weight	240.05 g/mol
Synonyms	BDMIM BF₄; [BDMIM][BF₄]; 1-Butyl-2,3-dimethyl-1H-imidazol-3-ium tetrafluoroborate; N-Butyl-2,3-dimethylimidazolium tetrafluoroborate; Ionic Liquid [C₄dmim][BF₄]; 1-n-Butyl-2,3-dimethylimidazolium tetrafluoroborate; BM2IM BF4; Contact for additional trade names.
EINECS	Contact for details

Quality Control

Our 1-Butyl-2,3-Dimethylimidazolium Tetrafluoroborate is manufactured under a strict quality management system. Each batch is analyzed to ensure it meets high-purity standards for research and industrial applications. Certificates of Analysis (COA) detailing purity, water content, halide content, and other critical parameters are 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 (e.g., nitrogen or argon) for long-term storage to prevent hydrolysis and degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.1%
Halide Content (Cl⁻, F⁻)	≤ 100 ppm
Density (at 20°C)	1.15 - 1.25 g/cm³

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