1-Ethyl-3-methylimidazolium dicyanamide CAS 370865-89-7

1. Description

1-Ethyl-3-methylimidazolium dicyanamide is a distinct ionic liquid recognized for its low viscosity and favorable solvent characteristics, offering potential in specialized pharmaceutical applications. It can be employed as a non-aqueous reaction medium for synthesizing pharmaceutical intermediates or in developing unique drug delivery systems. Key benefits include its good thermal stability, relatively low cost compared to some other ionic liquids, and specific solvation capabilities for diverse compounds.

2. Properties Table

Property	Value
Product Name	1-Ethyl-3-methylimidazolium dicyanamide
CAS Number	370865-89-7
Common Abbreviation	[EMIM][DCA] or [EMIM][N(CN)2​]
Molecular Formula	C8​H11​N5​
Molecular Weight	$177.21\text{ g/mol}$
Appearance	Colorless to pale yellow, or slightly orange, viscous liquid
Purity	$>98\%$ (Assumed typical high purity for pharmaceutical applications)
Melting Point	Approximately $-21\text{ to }-15\text{ °C}$ (Typically a low melting IL)
Decomposition Temp.	$>200\text{ °C}$ (Typical for ionic liquids)
Density	Approximately 1.04−1.07 g/cm3 at $25\text{ °C}$
Viscosity	Relatively low for an ionic liquid (e.g., $15-25\text{ cP}$ at $25\text{ °C}$)
Solubility	Soluble in water and many common organic solvents
Storage Temperature	Room Temperature, keep container tightly closed

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