ABSTRACT

In this work, density and speed of sound of binary mixtures of {n-butylammonium butanoate ionic liquid (N4Bu) + alcohols (methanol, ethanol, 1-propanol, 1-butanol and 1-pentanol)} have been measured as a function of composition at T = (293.15-313.15) K and atmospheric pressure. The results were used to calculate the excess molar volume, VE m, and deviation in isentropic compressibility, DjS, and correlated to the Redlich-Kister polynomial equation. N4Bu was synthesized by the method of acid-base neutralization reaction using n-butylamine and butanoic acid, and characterized using 1H NMR, 13C NMR and FTIR spectroscopy techniques. For all systems studied, the values of excess molar volumes and deviations in isentropic compressibility were negative over the entire composition range. The results obtained were discussed in terms of structural effects and intermolecular interactions between like and unlike molecules.

Compounds

#	Formula	Name
1	CH4O	methanol
2	C2H6O	ethanol
3	C3H8O	propan-1-ol
4	C4H10O	butan-1-ol
5	C5H12O	pentan-1-ol
6	C8H19NO2	n-butylammonium butanoate

Datasets

The table above is generated from the ThermoML associated json file (link above). POMD and RXND refer to PureOrMixture and Reaction Datasets. The compound numbers are included in properties, variables, and phases, if specificied; the numbers refer to the table of compounds on the left.
Type	Compound-#	Property	Variable	Constraint	Phase	Method	#Points
POMD	1	Mass density, kg/m3 ; Liquid	Temperature, K; Liquid	Pressure, kPa; Liquid	Liquid	Vibrating tube method	5
POMD	1	Speed of sound, m/s ; Liquid	Temperature, K; Liquid	Pressure, kPa; Liquid Frequency, MHz; Liquid	Liquid	Sing-around technique in a fixed-path interferometer	5
POMD	2	Mass density, kg/m3 ; Liquid	Temperature, K; Liquid	Pressure, kPa; Liquid	Liquid	Vibrating tube method	5
POMD	2	Speed of sound, m/s ; Liquid	Temperature, K; Liquid	Pressure, kPa; Liquid Frequency, MHz; Liquid	Liquid	Sing-around technique in a fixed-path interferometer	5
POMD	3	Mass density, kg/m3 ; Liquid	Temperature, K; Liquid	Pressure, kPa; Liquid	Liquid	Vibrating tube method	5
POMD	3	Speed of sound, m/s ; Liquid	Temperature, K; Liquid	Pressure, kPa; Liquid Frequency, MHz; Liquid	Liquid	Sing-around technique in a fixed-path interferometer	5
POMD	4	Mass density, kg/m3 ; Liquid	Temperature, K; Liquid	Pressure, kPa; Liquid	Liquid	Vibrating tube method	5
POMD	4	Speed of sound, m/s ; Liquid	Temperature, K; Liquid	Pressure, kPa; Liquid Frequency, MHz; Liquid	Liquid	Sing-around technique in a fixed-path interferometer	5
POMD	5	Mass density, kg/m3 ; Liquid	Temperature, K; Liquid	Pressure, kPa; Liquid	Liquid	Vibrating tube method	5
POMD	5	Speed of sound, m/s ; Liquid	Temperature, K; Liquid	Pressure, kPa; Liquid Frequency, MHz; Liquid	Liquid	Sing-around technique in a fixed-path interferometer	5
POMD	6	Mass density, kg/m3 ; Liquid	Temperature, K; Liquid	Pressure, kPa; Liquid	Liquid	Vibrating tube method	5
POMD	6	Speed of sound, m/s ; Liquid	Temperature, K; Liquid	Pressure, kPa; Liquid Frequency, MHz; Liquid	Liquid	Sing-around technique in a fixed-path interferometer	5
POMD	1 6	Mass density, kg/m3 ; Liquid	Temperature, K; Liquid Mole fraction - 6; Liquid	Pressure, kPa; Liquid	Liquid	Vibrating tube method	105
POMD	1 6	Speed of sound, m/s ; Liquid	Temperature, K; Liquid Mole fraction - 6; Liquid	Pressure, kPa; Liquid Frequency, MHz; Liquid	Liquid	Sing-around technique in a fixed-path interferometer	105
POMD	2 6	Mass density, kg/m3 ; Liquid	Temperature, K; Liquid Mole fraction - 6; Liquid	Pressure, kPa; Liquid	Liquid	Vibrating tube method	105
POMD	2 6	Speed of sound, m/s ; Liquid	Temperature, K; Liquid Mole fraction - 6; Liquid	Pressure, kPa; Liquid Frequency, MHz; Liquid	Liquid	Sing-around technique in a fixed-path interferometer	105
POMD	3 6	Mass density, kg/m3 ; Liquid	Temperature, K; Liquid Mole fraction - 6; Liquid	Pressure, kPa; Liquid	Liquid	Vibrating tube method	100
POMD	3 6	Speed of sound, m/s ; Liquid	Temperature, K; Liquid Mole fraction - 6; Liquid	Pressure, kPa; Liquid Frequency, MHz; Liquid	Liquid	Sing-around technique in a fixed-path interferometer	100
POMD	4 6	Mass density, kg/m3 ; Liquid	Temperature, K; Liquid Mole fraction - 6; Liquid	Pressure, kPa; Liquid	Liquid	Vibrating tube method	110
POMD	4 6	Speed of sound, m/s ; Liquid	Temperature, K; Liquid Mole fraction - 6; Liquid	Pressure, kPa; Liquid Frequency, MHz; Liquid	Liquid	Sing-around technique in a fixed-path interferometer	110
POMD	5 6	Mass density, kg/m3 ; Liquid	Temperature, K; Liquid Mole fraction - 6; Liquid	Pressure, kPa; Liquid	Liquid	Vibrating tube method	105
POMD	5 6	Speed of sound, m/s ; Liquid	Temperature, K; Liquid Mole fraction - 6; Liquid	Pressure, kPa; Liquid Frequency, MHz; Liquid	Liquid	Sing-around technique in a fixed-path interferometer	105

Thermodynamics Research Center / ThermoML | Journal of Chemical Thermodynamics

Thermodynamic and spectroscopic properties of binary mixtures of n-butylammonium butanoate ionic liquid with alcohols at T = (293.15-313.15) K

Bittencourt, S. S.[Samara Storion], Hoga, H. E.[Heloisa Emi], Torres, R. B.[Ricardo Belchior], d'Angelo, J. V. H.[Jose Vicente Hallak]

ABSTRACT