Description

1-Sulfobutyl-3-Methylimidazolium Hydrogen Sulfate is a high-purity ionic liquid belonging to the sulfonic acid-functionalized imidazolium class. This compound serves as a highly efficient and versatile dual-acid catalyst and solvent for specialized chemical synthesis. It is primarily needed by manufacturers in the pharmaceutical intermediates, fine chemicals, and polymer research sectors seeking advanced, tunable reaction media.

Application

• Acid Catalyst for esterification, alkylation, and condensation reactions in fine chemical synthesis.
• Green Solvent Medium for biocatalysis and enzymatic transformations requiring non-aqueous, stable environments.
• Polymerization Catalyst & Additive in the production of specialized polyesters and polyamides.
• Electrolyte Component for advanced electrochemical devices and metal plating processes.
• Extraction Solvent for the separation of metal ions or specific organic compounds.
• Research & Development of novel ionic liquid-based processes and materials.

Basic Information

Product Name	1-Sulfobutyl-3-Methylimidazolium Hydrogen Sulfate
CAS No.	827320-59-2
Molecular Formula	C8H16N2O7S2
Molecular Weight	308.35 g/mol
Synonyms	1-Butylsulfonic-3-methylimidazolium hydrogen sulfate; [BSMIM][HSO4]; 3-Methyl-1-sulfobutylimidazolium hydrogen sulfate; 1-(4-Sulfobutyl)-3-methylimidazolium hydrogensulfate; SBMI.HSO4; Ionic Liquid [C4SO3HMIm][HSO4]; 1-Methyl-3-(4-sulfobutyl)imidazolium hydrogen sulfate
EINECS	Contact for details

Quality Control

Our 1-Sulfobutyl-3-Methylimidazolium Hydrogen Sulfate is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity, Karl Fischer titration for water content, and NMR/IR for structural confirmation, to ensure it meets precise customer specifications. Certificates of Analysis (COA) documenting all critical parameters are available upon request.

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 should be handled under a dry atmosphere to prevent degradation. Keep away from strong bases and incompatible materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 1.0%
pH (10% aqueous solution)	Contact for details
Density (20°C)	~1.35 g/cm³

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