Speciality Chemicals

1-Butyl-3-methylimidazolium Tetrafluoroborate

  • CAS No.174501-65-6
  • GradeIndustrial / Pharmaceutical
  • Availability● In Stock

High-purity 1-butyl-3-methylimidazolium tetrafluoroborate (CAS 174501-65-6), a versatile ionic liquid widely used as an electrolyte in electrochemical and green chemistry applications.

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Product Technical Details

Product Overview

1-Butyl-3-methylimidazolium tetrafluoroborate ([BMIM][BF4]) is a high-performance imidazolium-based ionic liquid renowned for its excellent thermal stability, wide electrochemical window, and good solvation properties. With a purity exceeding 99.0%, this specialty chemical serves as a critical component in advanced electrochemical systems, catalytic processes, and sustainable solvent formulations.

Specifications

Molecular FormulaC8H15N2BF4
Molecular Weight226.02 g/mol
Purity> 99.0%
AppearanceColorless transparent liquid
Melting Point-81 °C
Decomposition Temperature403 °C
Viscosity96 cP
Density1.26 g/cm³
Conductivity3.5 mS/cm
Electrochemical Window4.6 V
SolubilitySoluble in water, ethanol, acetonitrile, dichloromethane
InsolubilityInsoluble in ethyl acetate, diethyl ether, and alkanes
Impurity LimitsMethylimidazole < 1000 ppm, Halogens < 1000 ppm, Water < 1000 ppm

Industrial Applications

This ionic liquid is extensively utilized across multiple high-tech sectors due to its unique physicochemical profile:

  • As a conductive electrolyte in lithium-ion batteries, supercapacitors, and dye-sensitized solar cells.
  • In green chemistry as a reusable, non-volatile reaction medium for organic synthesis and catalysis.
  • For gas separation and CO₂ capture processes owing to its tunable solubility characteristics.
  • In electrodeposition and electroplating where a stable, non-aqueous ionic environment is required.

Manufactured under stringent quality control protocols, our 1-butyl-3-methylimidazolium tetrafluoroborate meets global industrial standards and is available from gram-scale R&D quantities to multi-ton commercial batches.