Description

4-(3-Butyl-1-Imidazolio)-1-Butanesulfoni is a high-purity ionic liquid and zwitterionic compound with the CAS number 439937-63-0. This specialty chemical is valued for its unique dual functionality, combining an imidazolium cation with a sulfonate anion in a single molecule, offering excellent thermal stability and solubility properties. It serves as a critical intermediate and functional material for researchers and manufacturers in advanced material science, pharmaceuticals, and green chemistry applications.

Application

• As a key intermediate in the synthesis of advanced ionic liquids and zwitterionic polymers.
• Utilized as a phase-transfer catalyst or reaction medium in specialized organic synthesis and pharmaceutical manufacturing.
• Employed in the development of functional materials for gas separation membranes, conductive polymers, and coatings.
• Serves as a precursor for surfactants and emulsifiers with unique solubility characteristics.
• Used in analytical chemistry as a stationary phase modifier or electrolyte component in capillary electrophoresis.
• Applied in green chemistry initiatives as a non-volatile, tunable solvent for sustainable processes.
• Investigated for use in energy storage systems, such as electrolytes for batteries or supercapacitors.

Basic Information

Product Name	4-(3-Butyl-1-Imidazolio)-1-Butanesulfoni
CAS No.	439937-63-0
Molecular Formula	C11H20N2O3S
Molecular Weight	260.35 g/mol
Synonyms	1-Butyl-3-(4-sulfobutyl)imidazolium; 3-Butyl-1-(4-sulfobutyl)imidazolium; 4-(3-Butylimidazolium-1-yl)butane-1-sulfonate; 1-Butyl-3-(4-sulfobutyl)-1H-imidazol-3-ium; Butylimidazolium butylsulfonate; Zwitterionic imidazolium sulfonate; SBIm; BSBIm; Contact for additional trade names.
EINECS	Contact for details

Quality Control

Our 4-(3-Butyl-1-Imidazolio)-1-Butanesulfoni is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets the high standards required for research and industrial use. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product quality and stability. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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