1-Ethyl-3-methylimidazolium hexafluorophosphate CAS 155371-19-0

Product Profile: 1-Ethyl-3-methylimidazolium hexafluorophosphate

Description

1-Ethyl-3-methylimidazolium hexafluorophosphate ([EMIM][PF6​]) is a widely studied ionic liquid from the imidazolium class, recognized for its high thermal stability, electrochemical inertness, and hydrophobic nature. In the pharmaceutical sector, it finds applications as a specialized solvent for organic synthesis and enzymatic reactions, in the development of novel drug delivery systems, and for extraction/separation processes. Key benefits include its negligible vapor pressure, tunable solvent properties, and potential to facilitate greener chemical processes.

Properties Table

Property	Value
Name	1-Ethyl-3-methylimidazolium hexafluorophosphate
CAS Number	155371-19-0
Chemical Formula	C6​H11​F6​N2​P
Molecular Weight	$256.13\text{ g/mol}$
Appearance	White to pale yellow crystalline powder or solid
Melting Point	Approximately $58-62\text{ °C}$ (may vary with purity)
Density	Approximately 1.46 g/cm3 at 25 °C (may vary with purity)
Solubility	Poorly soluble in water; soluble in many organic solvents (e.g., acetone, acetonitrile, dichloromethane)
Purity	>98% (Assumed standard industry value)
Storage	Store in a cool, dry place in a tightly sealed container. Hygroscopic. Protect from moisture.
Primary Application Area	Pharmaceutical research, Green Chemistry, Electrochemistry, Specialty Solvent

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