science-softCon uv/vis+ photochemistry database; www.photochemistry.org; (C) science-softCon 2022 Substance: butyric acid Other Names: butanoic acid Formula: n-C3H7COOH CAS-No.: 107-92-6 PubChem: CID 264 Study: UV absorption cross sections Authors: A. Vicente, R. Antunes, D. Almeida, I.J.A. Franco, S.V. Hoffmann, N.J. Mason, S. Eden, D. Duflot, S. Canneaux, J. Delwiche, M.-J. Hubin-Franskin, P. Limão-Vieira Title: Photoabsorption measurements and theoretical calculations of the electronic state spectroscopy of propionic, butyric, and valeric acids Journal/Source: Phys. Chem. Chem. Phys., 11, 5729-5741, (2009); DOI: 10.1039/b823500g Data: table, diagram Energy/Wavelength range: 4.824 - 10.735 (115.5 - 257.0 nm) Resolution: 0.075 nm Temperature: 303 K Temperature dependence: no Pressure/Concentration: 0.01 - 0.70 Torr Phase: vapor pH: Comments: Absolute photoabsorption cross sections of propionic (C2H5COOH), butyric (C3H7COOH), and valeric (C4H9COOH) acids have been measured from 5.0 eV up to 10.7 eV.