Structure and thermal stability relationships in ring-substituted arylammonium nitrates

Sampat R. Jain; M. Venkateswara Rao; Vencatesh R. Pai Verneker

doi:10.1039/P29790000406

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Journal of the Chemical Society, Perkin Transactions 2

Issue 4, 1979

Perkin Transactions 2 ceased publication in 2002. Organic & Biomolecular Chemistry is the RSC's organic chemistry journal for high-quality, original organic chemistry research.

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Structure and thermal stability relationships in ring-substituted arylammonium nitrates

Sampat R. Jain, M. Venkateswara Rao and Vencatesh R. Pai Verneker

J. Chem. Soc., Perkin Trans. 2, 1979, 406-410

DOI: 10.1039/P29790000406

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Abstract
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The thermal stability of ring-substituted arylammonium nitrates has been investigated using thermal methods of analysis. The decomposition temperature of meta- and para-substituted derivatives is found to be linearly related to the Hammett substituent constant σ. The activation energy for decomposition determined by isothermal gravimetry increases with the increasing basicity of the corresponding amine. The results suggest that the primary step in the decomposition process of these salts is proton abstraction by the anion from the arylammonium ion.

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Structure and thermal stability relationships in ring-substituted arylammonium nitrates

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Journal of the Chemical Society, Perkin Transactions 2

Structure and thermal stability relationships in ring-substituted arylammonium nitrates

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