1-decyl-3-methylimidazolium bis(trifluoromethanesulfonyl)imide CAS 433337-23-6

Product Name: 1-decyl-3-methylimidazolium bis(trifluoromethanesulfonyl)imide

CAS Number: 433337-23-6

Description

1-decyl-3-methylimidazolium bis(trifluoromethanesulfonyl)imide is a hydrophobic ionic liquid (IL). It consists of a 1-decyl-3-methylimidazolium cation ([C10​MIM]+) and a bis(trifluoromethanesulfonyl)imide anion ([TFSI]− or [NTf2​]−). This combination results in a salt that is typically liquid at or below room temperature, exhibiting high thermal stability, low vapor pressure, wide electrochemical window, and good conductivity. Its hydrophobic nature distinguishes it from some other ionic liquids and influences its solubility and application profile.

Properties

Property	Value
Molecular Formula	C16​H27​F6​N3​O4​S2​
Molecular Weight	$523.52\text{ g/mol}$
Appearance	Typically a colorless to pale yellow or amber liquid (varies by purity)
Ionic Nature	Organic salt, Ionic Liquid
Common Abbreviation(s)	[C10​MIM][TFSI], [C10​MIM][NTf2​], $[DMIM][TFSI]$ (with decyl chain)
Key Characteristics	Hydrophobic, high thermal stability, wide electrochemical window, low volatility

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