Product Profile: 1-Ethyl-3-methylimidazolium bisulfate
Description
1-Ethyl-3-methylimidazolium bisulfate, often abbreviated as [EMIM][], is an imidazolium-based acidic ionic liquid. Its inherent Brønsted acidity makes it a valuable catalyst and reaction medium for various organic transformations relevant to pharmaceutical synthesis, such as esterification and hydrolysis. Key benefits include its low volatility, potential for recyclability, and utility as a greener alternative to traditional volatile acid catalysts.
Properties Table
Property Value Name 1-Ethyl-3-methylimidazolium bisulfate CAS Number 674282-83-8 Chemical Formula Molecular Weight Appearance Colorless to pale yellow liquid or low-melting solid Melting Point Approximately (may vary; often a liquid at room temperature) Density Approximately (may vary) Solubility Miscible with water; soluble in polar organic solvents Acidity Brønsted acidic Purity >98% (Assumed standard industry value) Storage Store in a cool, dry place in a tightly sealed container. Hygroscopic. Primary Application Area Acid catalyst, Green solvent, Pharmaceutical synthesis, Biomass processing
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