science-softCon uv/vis+ photochemistry database;	www.photochemistry.org; (C) science-softCon 2019

Substance: ethylperoxy radical				Other Names: ethyldioxy

Formula: C2H5O2						CAS-No.: 3170-61-4

Study: uv absorpttion spectra, kinetics

                
Authors: O.J. Nielsen, M.S. Johnson, T.J. Wallington, L.K. Christensen, J. Platz

Title: UV absorption spectra of HO2, CH3O2, C2H5O2, and CH3C(O)CH2O2 radicals and mechanism of the reactions of F and Cl atoms with CH3C(O)CH3

Journal/Source: Int. J. Chem. Kinetics, 34, 283-291, (2002); DOI: 10.1002/kin.10037


Data: table, diagram

Energy/Wavelength range: 215 - 340 nm

Resolution:

Temperature: 298 K

Temperature dependence: no

Pressure/Concentration:

Phase: gas

pH:


Comments: Pulse radiolysis techniques were used to measure the gas phase UV absorption spectra of the title peroxy radicals 
over the range 215-340 nm. By scaling to sigma(CH3O2)240 nm = (4.24 ± 0.27) × 10-18 the cross section is determined 
to sigma(C2H5O2)240 nm = 4.71 ± 0.45

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