Solubility of Adamantane in Phosphonium-Based Ionic Liquids

authors	Oliveira, FS; Freire, MG; Pratas, MJ; Pauly, J; Daridon, JL; Marrucho, IM; Coutinho, JAP
nationality	International
journal	JOURNAL OF CHEMICAL AND ENGINEERING DATA
keywords	PHASE-EQUILIBRIA; DIAMANTANE; BENZENE; WATER; POLYIMIDES; MIXTURES; BEHAVIOR; SOLVENTS
abstract	The solubility of adamantane was measured in eight phosphonium-based ionic liquids (ILs) having cations with different alkyl chain lengths, namely, tributyl(methyl)phosphonium, triisobutyl(methyl)phosphonium, tetraoctylphosphonium, and tetradecyltrihexylphosphonium, combined with several anions, namely, bromide, chloride, dicyanamide, methanesulfonate, methylsulfate, bistriflamide, and tosylate. The experimental measurements were carried over the temperature range from (380 to 463) K and at pressures close to 0.1 MPa. The solubility of adamantane was shown to be essentially dependent on the alkyl chain length of the IL cation and, to a lesser extent, oil the nature of the IL anion. In general, higher solubilities of adamantane were observed with ILs presenting more hydrophobic character.
publisher	AMER CHEMICAL SOC
issn	0021-9568
year published	2010
volume	55
issue	2
beginning page	662
ending page	665
digital object identifier (doi)	10.1021/je9006772
web of science category	Thermodynamics; Chemistry, Multidisciplinary; Engineering, Chemical
subject category	Thermodynamics; Chemistry; Engineering
unique article identifier	WOS:000274356100014