science-softCon uv/vis spectra data base; www.uv-spectra.de; (C) science-softCon 2008 Substance: methanethiol Other Names: methyl mercaptan Formula: CH3SH CAS-No.: 74-93-1 Study: photolysis Authors: D.M. Graham, Billy K.T. Sie Title: Sulfur Dioxide Formation in the Photo-oxidation of Methanethiol Journal: Can. J. Chem./Rev. can. chim. 49(23), 3895-3898, (1971) Data: (diagram, table, disk): Wavelength range: 228.8 nm and 254 - 265 nm Resolution: Temperature: 298 K; 398 K Temperature dependence: Comments: The quantum yield of sulfur dioxide was found to be small (3 x 10-5) at 25 °C, increasing only by an order of magnitude at 125 °C. The major products detected were 2,3-dithiabutane and a liquid, tentatively identified as hydrogen peroxide. Author to whom correspondence should be addressed: (e-mail address):