Description

1-Ethyl-3-Methylimidazolium Hydrogensulfate is a high-purity ionic liquid belonging to the imidazolium class, widely recognized for its role as a versatile acid catalyst and reaction medium. Its significance lies in its dual functionality as a strong Brønsted acid and a polar, non-volatile solvent, enabling greener and more efficient chemical processes. This compound is essential for industries focused on catalysis, material synthesis, and specialty chemical manufacturing, where its tunable properties and stability under acidic conditions offer distinct advantages over traditional mineral acids.

Application

• Acid Catalyst in Organic Synthesis: Used as a recyclable, non-volatile catalyst for esterification, alkylation, and condensation reactions, replacing corrosive sulfuric acid.
• Solvent for Cellulose Processing: Acts as an effective medium for dissolving and derivatizing cellulose in bio-refining and fiber production.
• Electrolyte Component: Employed in electrochemical applications, including batteries and capacitors, due to its high ionic conductivity and thermal stability.
• Extraction Medium: Utilized in liquid-liquid extraction processes for separating metals or organic compounds.
• Polymerization Medium: Serves as a solvent and catalyst for the synthesis of polymers and resins.
• Chemical Intermediate: Used in the preparation of other functionalized ionic liquids and specialty chemicals.

Basic Information

Product Name	1-Ethyl-3-Methylimidazolium Hydrogensulfate
CAS No.	412009-61-1
Molecular Formula	C6H12N2O4S
Molecular Weight	208.24 g/mol
Synonyms	EMIM HSO4; [EMIM][HSO4]; 1-Ethyl-3-methylimidazol-3-ium hydrogen sulfate; 1-Ethyl-3-methyl-1H-imidazol-3-ium hydrogen sulfate; EMIM Hydrogen Sulfate; Ionic Liquid [EMIM][HSO4]; 3-Ethyl-1-methylimidazolium hydrogensulfate
EINECS	Contact for details

Quality Control

Our 1-Ethyl-3-Methylimidazolium Hydrogensulfate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and Karl Fischer titration for water content, to ensure it meets precise specifications. A comprehensive Certificate of Analysis (COA) is provided with every shipment, guaranteeing traceability and compliance with customer requirements.

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). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption. Keep away from strong bases and incompatible materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 1.0%
Chloride (Cl)	≤ 0.1%
Sulfate (SO4)	Conforms
Heavy Metals (as Pb)	≤ 10 ppm

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