science-softCon uv/vis+ photochemistry database; www.photochemistry.org; (C) science-softCon 2019 Substance: formaldehyde oxide Other Names: formaldehyde carbonyl oxide Formula: CH2O2; H2COO CAS-No.: Study: uv absorption spectra Authors: L. Sheps Title: Absolute Ultraviolet Absorption Spectrum of a Criegee Intermediate CH2OO Journal/Source: J. Phys. Chem. Lett., 4, 4201-4205, (2013); DOI: 10.1021/jz402191w Data: table, diagram Energy/Wavelength range: 295 - 449 nm Resolution: Temperature: 295 K Temperature dependence: no Pressure/Concentration: Phase: gas pH: Comments: An absolute absorption cross section of CH2OO, with the value at the peak of the absorption band, 355 nm, of sigma(abs) = (3.6 ± 0.9) × 10-17 cm2 has been determined. Author to whom correspondence should be addressed: (e-mail address):