Volumetric properties of binary mixtures of 2-dimethylaminoethanol and 2-diethylaminoethanol with dimethylsulfoxide

ABSTRACT

This work reports the volumetric properties of binary mixtures of 2-dimethylaminoethanol (DMAE) and 2-diethylaminoethanol (DEAE) with dimethylsulfoxide (DMSO) as a function of composition in the temperature range 298.15–318.15 K at atmospheric pressure. The excess molar volumes, apparent molar volumes, and excess partial molar volumes of both the components were determined in order to reflect several aggregation patterns present in the binary solvent system. The excess molar volumes show positive deviations from ideality. The excess partial molar volumes show complex dependence on composition and temperature. The results were used to investigate intermolecular interaction and structural configuration in these mixtures.

KEYWORDS:

• 2-Dimethylaminoethanol
• 2-diethylaminoethanol
• excess molar volume
• partial molar properties
• apparent molar volume

Acknowledgements

The authors Vikash Verma (Ref. No. 20/12/2015(ii) EU-V) and Mukesh Kumar (File No. 09/107(0400)/2018-EMR-I) are thankful to the University Grants Commission and Council of Scientific & Industrial Research, New Delhi, India, respectively, for providing financial support.

Disclosure statement

No potential conflict of interest was reported by the authors.

Additional information

Funding

This work was supported by the Council of Scientific & Industrial Research, New Delhi, India [File No. 09/107(0400)/2018-EMR-I] and University Grants Commission [Ref. No. 20/12/2015(ii) EU-V].