science-softCon uv/vis+ photochemistry database; www.photochemistry.org; (C) science-softCon 2024 Substance: 4-pyrone Other Names: 4H-pyran-4-one; gamma-pyrone Formula: C5H4O2 CAS-No.: 108-97-4 PubChem: CID Study: uv absorption spectrum Authors: R.D. Gordon, W.K.C. Park Title: The 353 nm n pi* transition of 4H-pyran-4-one and deuterated derivative Journal/Source: Can. J. Chem., 71 (10), 1672-1675, (1993); https://doi.org/10.1139/v93-208 Data: diagram, table Energy/Wavelength range: 28000 - 32000 cm-1 (~ 312.5 - 357 nm) Resolution: Pathlengths: Temperature: 353-383 K Temperature dependence: no Pressure/Concentration: Phase: vapor pH: Comments: