science-softCon uv/vis+ spectra data base, www.uv-spectra.de, (C) science-softCon 2018 Substance: isonicotinic acid Other Names: pyridine-4-carboxylic acid Formula: C6H5NO2 CAS-No.: 55-22-1 PubChem: CID 5922 Study: UV Absorption Spectra Authors: N. Hata Title: Ultraviolet Absorption Spectra of Three Isomeric Pyridine Monocarboxylic Acids and Their N-Oxides Journal/Source: Bull. Chem. Soc. Japan, 31 (3), 255-260, (1958); https://doi.org/10.1246/bcsj.31.255 Data: table, diagram Energy/Wavelength range: 32000 - 45000 cm-1 (~ 222 - 312 nm) Resolution: Temperature: 298 K Temperature dependence: no Pressure/Concentration: Phase: solution (dioxan, ethanol, water) pH: Comments: The ultraviolet absorption spectra of 2-, 3- and 4-pyridine monocarboxylic acid and their N-oxides were measured in various solvents. Author to whom correspondence should be addressed: (e-mail address):