1-Ethyl-3-methylimidazolium bisulfate Supplier

Product Profile: 1-Ethyl-3-methylimidazolium bisulfate

Description

1-Ethyl-3-methylimidazolium bisulfate, often abbreviated as [EMIM][

H S O_{4}

], 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

C_{6} H_{12} N_{2} O_{4} S

Molecular Weight

208.23 g/mol

Appearance

Colorless to pale yellow liquid or low-melting solid

Melting Point

Approximately

20 - 35 °C

(may vary; often a liquid at room temperature)

Density

Approximately

1.25 g/cm^{3} at 25 °C

(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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1-Ethyl-3-methylimidazolium bisulfate CAS 674282-83-8