science-softCon uv/vis+ spectra data base; www.uv-spectra.de; (C) science-softCon 2017 Substance: 4-pyrone Other Names: 4H-pyran-4-one Formula: C5H4O2 CAS-No.: 108-97-4 PubChem: CID Study: uv absorption spectrum, emission spectrum Authors: N. Ishibe, H. Sugimoto, J.B. Gallivan Title: Electronic absorption and emission spectra of 4-pyrones, 4-thiopyrones and 4-pyridones Journal/Source: J. Chem. Soc., Faraday Trans. 2,71, 1812-1822, (1975); doi: 10.1039/F29757101812 Data: diagram, table Energy/Wavelength range: 210 - 270 nm Resolution: Temperature: 298 K Temperature dependence: no Pressure/Concentration: Phase: solution (cyclohexane, ethanol) pH: Comments: The ultraviolet absorption and phosphorescence emission spectra of various methyl and phenyl substituted 4-pyrones, 4-thiopyrones and 4-pyridones have been measured. Author to whom correspondence should be addressed: (e-mail address):