ABSTRACT

In this article, we report the results of the mixing behavior of alkanediyl-a,?-bis(dimethylcetylammonium bromide) gemini surfactants with anionic hydrotropes (sodium salicyalte, sodium benzoate, and sodium tosylate) in aqueous solutions using conductivity measurements. The critical micelle concentration (cmc) for different mixing mole fractions at different temperatures, their ideal cmc values, and different interaction parameters have been estimated. The results show that the mixing behavior is nonideal and the interactions among the surfactants and the hydrotropes are synergistic in nature.

Compounds

#	Formula	Name
1	C40H86Br2N2	N1,N4-dihexadecyl-N1,N1,N4,N4-tetramethylbutane-1,4-diaminium bromide
2	C41H88Br2N2	N1,N5-dihexadecyl-N1,N1,N5,N5-tetramethylpentane-1,5-diaminium bromide
3	C42H90Br2N2	N1,N6-dihexadecyl-N1,N1,N6,N6-tetramethylhexane-1,6-diaminium bromide
4	C7H5NaO3	sodium salicylate
5	C7H5NaO2	sodium benzoate
6	C7H7NaO3S	sodium p-toluenesulfonate
7	H2O	water

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	4 7	Electrical conductivity, S/m ; Liquid	Temperature, K; Liquid Amount concentration (molarity), mol/dm3 - 4; Liquid	Pressure, kPa; Liquid	Liquid	Dip Cell	120
POMD	5 7	Electrical conductivity, S/m ; Liquid	Temperature, K; Liquid Amount concentration (molarity), mol/dm3 - 5; Liquid	Pressure, kPa; Liquid	Liquid	Dip Cell	108
POMD	6 7	Electrical conductivity, S/m ; Liquid	Temperature, K; Liquid Amount concentration (molarity), mol/dm3 - 6; Liquid	Pressure, kPa; Liquid	Liquid	Dip Cell	116
POMD	7 3	Electrical conductivity, S/m ; Liquid	Temperature, K; Liquid Amount concentration (molarity), mol/dm3 - 3; Liquid	Pressure, kPa; Liquid	Liquid	Dip Cell	100
POMD	7 2	Electrical conductivity, S/m ; Liquid	Temperature, K; Liquid Amount concentration (molarity), mol/dm3 - 2; Liquid	Pressure, kPa; Liquid	Liquid	Dip Cell	100
POMD	7 1	Electrical conductivity, S/m ; Liquid	Temperature, K; Liquid Amount concentration (molarity), mol/dm3 - 1; Liquid	Pressure, kPa; Liquid	Liquid	Dip Cell	93
POMD	4 7 3	Electrical conductivity, S/m ; Liquid	Temperature, K; Liquid Amount concentration (molarity), mol/dm3 - 4; Liquid Amount concentration (molarity), mol/dm3 - 3; Liquid	Pressure, kPa; Liquid	Liquid	Dip Cell	386
POMD	5 7 3	Electrical conductivity, S/m ; Liquid	Temperature, K; Liquid Amount concentration (molarity), mol/dm3 - 5; Liquid Amount concentration (molarity), mol/dm3 - 3; Liquid	Pressure, kPa; Liquid	Liquid	Dip Cell	379
POMD	6 7 3	Electrical conductivity, S/m ; Liquid	Temperature, K; Liquid Amount concentration (molarity), mol/dm3 - 6; Liquid Amount concentration (molarity), mol/dm3 - 3; Liquid	Pressure, kPa; Liquid	Liquid	Dip Cell	404
POMD	4 7 2	Electrical conductivity, S/m ; Liquid	Temperature, K; Liquid Amount concentration (molarity), mol/dm3 - 4; Liquid Amount concentration (molarity), mol/dm3 - 2; Liquid	Pressure, kPa; Liquid	Liquid	Dip Cell	354
POMD	5 7 2	Electrical conductivity, S/m ; Liquid	Temperature, K; Liquid Amount concentration (molarity), mol/dm3 - 5; Liquid Amount concentration (molarity), mol/dm3 - 2; Liquid	Pressure, kPa; Liquid	Liquid	Dip Cell	352
POMD	6 7 2	Electrical conductivity, S/m ; Liquid	Temperature, K; Liquid Amount concentration (molarity), mol/dm3 - 6; Liquid Amount concentration (molarity), mol/dm3 - 2; Liquid	Pressure, kPa; Liquid	Liquid	Dip Cell	355
POMD	4 7 1	Electrical conductivity, S/m ; Liquid	Temperature, K; Liquid Amount concentration (molarity), mol/dm3 - 4; Liquid Amount concentration (molarity), mol/dm3 - 1; Liquid	Pressure, kPa; Liquid	Liquid	Dip Cell	421
POMD	5 7 1	Electrical conductivity, S/m ; Liquid	Temperature, K; Liquid Amount concentration (molarity), mol/dm3 - 5; Liquid Amount concentration (molarity), mol/dm3 - 1; Liquid	Pressure, kPa; Liquid	Liquid	Dip Cell	359
POMD	6 7 1	Electrical conductivity, S/m ; Liquid	Temperature, K; Liquid Amount concentration (molarity), mol/dm3 - 6; Liquid Amount concentration (molarity), mol/dm3 - 1; Liquid	Pressure, kPa; Liquid	Liquid	Dip Cell	380

Thermodynamics Research Center / ThermoML | Journal of Chemical and Engineering Data

Mixing Behavior of Anionic Hydrotropes with Cationic Gemini Surfactants

Khan, I. A.[Iqrar Ahmad], Khanam, A. J.[Ahmad Jahan], Khan, Z. A.[Ziya Ahmad], Kabir-ud-Din

ABSTRACT