Description

1-Carboxymethyl-3-Methylimidazolium Hydrogensulfate is a functionalized ionic liquid belonging to the imidazolium class, characterized by a carboxymethyl substituent. This compound serves as a highly effective dual-functional catalyst and solvent, particularly valuable in acid-catalyzed organic synthesis and biomass processing. It is primarily sought by R&D laboratories and industrial manufacturers in the fields of fine chemical synthesis, green chemistry, and polymer science for its tunable acidity and solvation properties.

Application

• Acid Catalyst in esterification, transesterification, and condensation reactions for biodiesel and specialty ester production.
• Solvent and Catalyst in cellulose dissolution and biomass pretreatment for biofuel and biochemical platforms.
• Reaction Medium for organic synthesis where a polar, non-volatile, and acidic environment is required.
• Electrolyte Component in specialized electrochemical applications and energy storage devices.
• Intermediate for the synthesis of other task-specific ionic liquids with tailored properties.
• Polymerization Aid in certain step-growth polymerizations requiring acidic conditions.

Basic Information

Product Name	1-Carboxymethyl-3-Methylimidazolium Hydrogensulfate
CAS No.	879270-11-8
Molecular Formula	C6H10N2O5S
Molecular Weight	222.22 g/mol
Synonyms	3-Methyl-1-carboxymethylimidazolium hydrogen sulfate; CM-MIM HSO4; 1-(Carboxymethyl)-3-methylimidazolium hydrogen sulfate; 3-Methyl-1-(carboxymethyl)-1H-imidazol-3-ium hydrogen sulfate; Ionic liquid [CM-MIM][HSO4]; N-Carboxymethyl-N'-methylimidazolium bisulfate; 1H-Imidazolium, 3-methyl-1-(carboxymethyl)-, sulfate (1:1)
EINECS	Contact for details

Quality Control

Every batch of 1-Carboxymethyl-3-Methylimidazolium Hydrogensulfate is manufactured and tested under a strict quality management system. We provide comprehensive analytical data to ensure product identity, purity, and consistency for your critical applications. Certificates of Analysis (COA) detailing specifications such as assay, water content, and impurity profiles 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 material is hygroscopic (moisture-sensitive) and a strong acid/organic solvent; containers must be kept tightly sealed to exclude moisture and stored separately from bases and reactive materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 2.0%
pH (10% solution)	Contact for details
Density	~1.4 g/cm³

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