Issue 7, 1986
From the journal:

Journal of the Chemical Society, Perkin Transactions 2

Polarity and basicity of solvents. Part 1. A thermosolvatochromic comparison method

Pierre Nicolet  and  Christian Laurence  

Abstract

A thermosolvatochromic comparison method for measuring polarity and basicity parameters of solvents, which takes advantage of variations in solvent properties with temperature (0–105 °C), is proposed. The effects of the vibrational structure of the absorption bands on (i) the reference (homomorphism) line of non-hydrogen-bond donor and non-hydrogen-bond acceptor solvents and the temperature line of hydrogen-bond acceptor solvents, and thus on (ii) the precision and sensitivity of the method, are analysed for a range of indicators. 4-Nitroanisole and 4-nitrophenol are recommended as reference polarity and basicity indicators, respectively. The reference (homomorphism) line is to be taken from data for gas-state, perfluorinated hydrocarbons, alkanes, CCl4 and/or C2Cl4, 1,2-dichloroethane, and mono- and poly-halogenated benzenes.

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Article information

DOI
https://doi.org/10.1039/P29860001071
Article type
Paper

J. Chem. Soc., Perkin Trans. 2, 1986, 1071-1079

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Polarity and basicity of solvents. Part 1. A thermosolvatochromic comparison method

P. Nicolet and C. Laurence, J. Chem. Soc., Perkin Trans. 2, 1986, 1071 DOI: 10.1039/P29860001071

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