Description

1-Butyl-3-Methylimidazolium Hydrogensulfate is a high-purity ionic liquid belonging to the imidazolium class. This compound is valued for its dual role as a versatile acid catalyst and a green solvent in advanced chemical synthesis. It is essential for industries focused on sustainable processes, including pharmaceutical intermediates, biodiesel production, and specialty polymer manufacturing.

Application

• Acid Catalyst in esterification, alkylation, and condensation reactions for fine chemical synthesis.
• Green Solvent Medium for biocatalysis and enzymatic reactions, replacing volatile organic compounds (VOCs).
• Biodiesel Production catalyst for the transesterification of vegetable oils and fats.
• Cellulose Processing and dissolution for the production of biofuels and regenerated fibers.
• Electrolyte Component in electrochemical applications and advanced battery systems.
• Chemical Synthesis of pharmaceutical intermediates and active pharmaceutical ingredients (APIs).
• Polymerization processes as a solvent and catalyst for producing specialty polymers.
• Extraction Solvent in separation technologies for metals and organic compounds.

Basic Information

Product Name	1-Butyl-3-Methylimidazolium Hydrogensulfate
CAS No.	262297-13-2
Molecular Formula	C8H16N2O4S
Molecular Weight	236.29 g/mol
Synonyms	BMIM HSO4; [BMIM][HSO4]; 1-Butyl-3-methylimidazolium bisulfate; 1-n-Butyl-3-methylimidazolium hydrogensulfate; 1-Butyl-3-methyl-1H-imidazol-3-ium hydrogen sulfate; Ionic Liquid BMIM HSO4; BMIMHSO4; Butylmethylimidazolium hydrogensulfate
EINECS	Contact for details

Quality Control

Our 1-Butyl-3-Methylimidazolium Hydrogensulfate is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and Karl Fischer titration, to ensure high purity and consistency. Certificates of Analysis (COA) documenting identity, assay, and impurity profiles are available upon request to support your quality assurance protocols.

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 exclude moisture. 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%
Halide Content (as Cl)	≤ 0.1%
pH (10% in water)	Contact for details
Density (20°C)	~1.25 g/cm³

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