Preparation, Analytical, IR Spectral, and Thermal Studies of Some New Hydrazinium CarboxylatesReport as inadecuate

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International Journal of Inorganic ChemistryVolume 2012 2012, Article ID 624374, 5 pages

Research ArticleDepartment of Chemistry, Kongunadu Arts and Science College, Tamilnadu, Coimbatore 641029, India

Received 22 August 2012; Revised 10 October 2012; Accepted 10 October 2012

Academic Editor: Wolfgang Linert

Copyright © 2012 R. Manimekalai et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Hydrazinium salts of 2,4-dichlorophenylacetic acid, phenoxyacetic acid, 2,4-dichlorophenoxyacetic acid, diphenylacetic acid, cinnamic acid, and picolinic and nicotinic acids have been prepared by accomplishing neutralization of aqueous hydrazine hydrate with the respective acids. Formation of these hydrazinium salts has been confirmed by analytical, IR spectral, and thermal studies. IR spectra of the salts register N–N stretching frequencies of ion in the region 963–951 cm

and the frequencies of ion in the region 1047–1026 cm

. Thermal decomposition studies show that the hydrazinium salts undergo melting followed by endothermic decomposition into carbon residue as the endproduct.

Author: R. Manimekalai, C. R. Sinduja, and K. Kalpanadevi



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