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 - 360 nm (33300 - 27800 cm-1)

Resolution: 1.00 cm-1

Temperature: 223 K; 233 K; 243 K; 253 K; 263 K; 273 K; 283 K; 293 K

Temperature dependence: yes

Pressure/Concentration: total pressure (formaldehyde in nitrogen) 500 Torr

Phase: gas

pH:


Comments: The near-uv absolute absorption cross sections for formaldehyde have been measured as a function of temperature.

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