29749-04-0Relevant articles and documents
Gas Phase Reactions, 23. Thermal decomposition of Open-Chain Dialkyl Sulfides, Disulfides and Diselenides
Hirabayashi, Takakuni,Mohmand, Shamsher,Bock, Hans
, p. 483 - 491 (2007/10/02)
The thermal decomposition of the dialkyl chalcogenide derivatives RSR, RSSR and RSeSeR (R = CH3, CH2CH3, CH2CH2CH3, CH(CH3)2, C(CH3)3) in a heated flow tube is analyzed and optimized using PE spectroscopy.Whereas high-temperature pyrolysis >1000 K yields mixtures of thermodynamically favored final products like H2, CH4, CS2, and HCCH, the lowest thermal reaction channel produces homogeneously olefin, H2S, and sulfur or olefin, alkaneselenol, H2Se, and selenium, respectively.The decomposition temperatures increase from RSeSeR via RSSR towards RSR and also with decreasing size of the alkyl groups.Based on the experimental data the possible course of the thermal decomposition is discussed.