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Surfactant Aggregation Within Room-Temperature Ionic Liquid 1-ethyl-3-methylimidazolium Bis(trifluoromethylsulfonyl)imide

Surfactant Aggregation Within Room-Temperature Ionic Liquid 1-ethyl-3-methylimidazolium Bis(trifluoromethylsulfonyl)imide

Kristin A Fletcher, Siddharth Pandey

Langmuir. 2004 Jan 6;20(1):33-6.

PMID: 15744995

Abstract:

On the basis of the response of solvatochromic probes [Reichardt's betaine dye, pyrene, and 1,3-bis(1-pyrenyl)propane], we have investigated the aggregation behavior of common anionic, cationic, and nonionic surfactants when solubilized within a low-viscosity room-temperature ionic liquid 1-ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide (emimTf2N). We observed possible aggregate formation by all nonionic surfactants included in the study (Brij-35, Brij-700, Tween-20, and Triton X-100), while no aggregation was observed for the cationic surfactant cetyltrimethylammonium bromide. The anionic surfactant sodium dodecyl sulfate does not appear to solubilize within emimTf2N at ambient conditions.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP174899822	1-Ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide		174899-82-2	Price

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