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: photo-oxidation


Authors: J. Desai, J. Heicklen 

Title: The wavelength dependence of the photo-oxidation of CH2O 

Journal/Source: J. Photochemistry, 40, 23-29, (1987); doi:10.1016/0047-2670(87)87041-7


Data: 

Energy/Wavelength range: 253.7 nm; 280.3 nm; 312.8 nm; 326.1 nm

Resolution: 

Temperature: 298 K

Temperature dependence: no

Pressure/Concentration:

Phase:

pH:


Comments: At all wavelengths except 253.7 nm, PHI(CO) = 1.0. At 253.7 nm, PHI(CO) = 0.77. The molecular 
photodecomposition is given by PHI(H2), which is 0.28, 0.28, 0.16 and 0.40 respectively at the four wavelengths.

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