science-softCon uv/vis+ photochemistry database; www.photochemistry.org; (C) science-softCon 2023 Substance: xanthone Other Names: 9H-xanthen-9-one Formula: C13H8O2 CAS-No.: 90-47-1 PubChem: CID 7020 Study: uv absorption spectrum Authors: A. Thony, M.J. Rossi Title: Gas-phase UV spectroscopy of anthracene, xanthone, pyrene, 1-bromopyrene and 1,2,4-trichlorobenzene at elevated temperatures Journal/Source: J. Photochem. Photobiol. A: Chem., 104, 25-33, (1997); https://doi.org/10.1016/S1010-6030(96)04575-3 Data: diagram, table Energy/Wavelength range: 200 - 400 nm Resolution: Pathlength: Temperature: 423 - 873 K Temperature dependence: yes Pressure/Concentration: 1 atm of air Phase: gas pH: Comments: Peak wavelengths are tabulated.