science-softCon uv/vis+ photochemistry database; www.photochemistry.org; (C) science-softCon 2019 Substance: 2-bromo-1-methylpropylperoxy radical Other Names: Formula: C4H8BrO2; (CH3)BrCHCH(CH3)O2 CAS-No.: Study: uv absorption spectra, kinetics Authors: J.N. Crowley, G.K. Moortgat Title: 2-Bromoethylperoxy and 2-bromo-1-methylpropylperoxy radicals: ultraviolet absorption spectra and self-reaction rate constants at 298 K Journal/Source: J. Chem. Soc., Faraday Trans., 88, 2437-2444, (1992); DOI: 10.1039/FT9928802437 Data: table, diagram Energy/Wavelength range: 210 - 290 nm Resolution: Temperature: 298 K Temperature dependence: no Pressure/Concentration: Phase: gas pH: Comments: The UV spectra of both radicals are broad absorptions with maxima close to 240 nm. Absolute cross-sections at 270 nm were found to be (2.2 ± 0.4) × 10-18 and (2.8 ± 0.6) × 10-18 cm2 molecule-1 for BrCH2CH2O2 and (CH3)BrCHCH(CH3)O2, respectively. Author to whom correspondence should be addressed: (e-mail address):