science-softCon uv/vis+ photochemistry database; www.photochemistry.org; (C) science-softCon 2019 Substance: formaldehyde Other Names: methanal; methylene oxide Formula: CH2O CAS-No.: 50-00-0 Study: uv absorption cross sections Authors: C.A. Cantrell, J.A. Davidson, A.H. McDaniel, R.E. Shetter, J.G. Calvert Title: Temperature-Dependent Formaldehyde Cross Sections in the Near-Ultraviolet Spectral Region Journal/Source: J. Phys. Chem., 94, 3902-3908, (1990); DOI: 10.1021/j100373a008 Data: diagram, table Energy/Wavelength range: 300 - 385 nm Resolution: 0.007 nm Temperature: 293 K Temperature dependence: yes Pressure/Concentration: CH2O concentration in N2 at 500 Torr Phase: gas pH: Comments: The near-uv absolute absorption cross sections for formaldehyde have been measured as a function of temperature (223 - 293 K). Author to whom correspondence should be addressed: (e-mail address):