NMR-STUDY ON SOLUBILITY OF BENZYL ALCOHOL AND ITS TRANSFER FREE-ENERGY FROM D2O TO CATIONIC MICELLE

Authors
SHEN Q LI GZ MA CS HAO SX WEI XL HUANG YZ
Citation
Q. Shen et al., NMR-STUDY ON SOLUBILITY OF BENZYL ALCOHOL AND ITS TRANSFER FREE-ENERGY FROM D2O TO CATIONIC MICELLE, Chinese journal of chemistry, 15(5), 1997, pp. 405-409
Citations number
5
Journal title
Chinese journal of chemistry → ACNP
ISSN journal
1001604X
Volume
15
Issue
5
Year of publication
1997
Pages
405 - 409
Database
ISI
SICI code
1001-604X(1997)15:5<405:NOSOBA>2.0.ZU;2-F
Abstract
A new kind of surfactant, [CnH2n+1OCH2CH(OH)CH2N(CH3)(3)]Cl (n=12, 14, 16) was synthesized. The solubility of benzyl alcohol in micellar sol utions was determined by H-1 NMR method. The results indicate that the length of alkyl chains of surfactant affects the solubility of benzyl alcohol in 2.5x10(-2) mol/L micellar solutions. The solubility of ben zyl alcohol per liter of micellar solution is 0.095 mole for n=12, 0.1 15 mole for n=14, 0.165 mole for n=16. The transfer free energy of ben zyl alcohol from aqueous phase to micellar phase is -24.29 kJ/mol for n=12, -24.37 kJ/mol for n=14, -24.49 kJ/mol for n=16.