science-softCon uv/vis+ photochemistry database; www.photochemistry.org; (C) science-softCon 2019 Substance: dichlorine tetraoxide Other Names: Formula: Cl2O4 CAS-No.: 27218-16-2 Study: uv absorption spectrum Authors: M.I. Lopez, J.E. Sicre Title: Ultraviolet Spectrum of Chlorine Perchlorate Journal/Source: J. Phys. Chem., 92, 563-564, (1988); DOI: 10.1021/j100313a062 Data: table, diagram Energy/Wavelength range: 200 - 310 nm Resolution: Temperature: 303 K Temperature dependence: no Pressure/Concentration: 1.9, 4.3, 5.1 and 7.7 Torr (ClOClO3 gas pressures) Phase: gas pH: Comments: The abosprption cross section at lambda(max) = 234 nm is sigma = 94 ± 7 x 10-20 cm2/molecule. Author to whom correspondence should be addressed: (e-mail address):