science-softCon uv/vis+ spectra data base,		www.uv-spectra.de, (C) science-softCon 2019

Substance: isonicotinic acid				Other Names: pyridine-4-carboxylic acid

Formula: C6H5NO2					CAS-No.: 55-22-1	PubChem: 5922

Study: UV Absorption Spectra

                
Authors: R. F. Evans,  E. F. G. Herington, W. Kynaston

Title: Determination of dissociation constants of the pyridine-monocarboxylic acids by ultra-violet photoelectric spectrophotometry

Journal/Source: Trans. Faraday Soc.,49, 1284-1292, (1953); DOI: 10.1039/TF9534901284


Data: table, diagram

Energy/Wavelength range: 230 - 300 nm

Resolution: 

Temperature: 298 K

Temperature dependence: no

Pressure/Concentration: 

Phase: aqueous solution; sulfuric acid solution; sodium hydroxide solution

pH: 1.6 - 13.0


Comments: The UV absorption spectra of aqueous solutions of the 3 pyridine-monocarboxylic acids have been measured over
a wide pH range.

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