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

Substance: acetonyl peroxy radical			Other Names: 

Formula: C3H5O3; CH3C(O)CH2O2				CAS-No.:

Study: uv absorption spectrum, kinetics

                
Authors: R.A. Cox, J. Munk, O.J. Nielsen, P. Pagsberg, E. Ratajczak

Title: Ultraviolet absorption spectra and kinetics of acetonyl and acetonylperoxy radicals

Journal/Source: Chem. Phys. Lett., 173, 206-210, (1990); http://dx.doi.org/10.1016/0009-2614(90)80079-S


Data: table, diagram

Energy/Wavelength range: 210 - 380 nm

Resolution: 

Temperature: 298 K

Temperature dependence: no

Pressure/Concentration:

Phase: vapor

pH:


Comments: The ultraviolet absorption spectrum of the acetonyl radical is composed of a fairly weak band centered at 315 nm and a stronger 
band in the range of 200-250 nm. The absorption cross section has been determined, sigma(310 nm) = (8.73 ± 0.50) x 10-19 cm2 molecule-1.

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