ODORANT FOR LIQUEFIED HYDROCARBON GASES AND METHOD FOR ITS PRODUCTION Russian patent published in 1995 - IPC

FIELD: chemical and gas industry. SUBSTANCE: odorant for liquefied hydrocarbon gases has alkyl mercaptans and additional mixture of low-molecular dialkyl disulfides C₂-C₈ wastes of production of oxidizing demercaptanization of propane-pentane fraction (C₃-C₅) with the following amounts of components, mas. mixture of low-molecular dialkyl disulfides (C₂-C₈) 93-99.9; the balance; alkyl mercaptans. Offered odorant is produced by mixing alkyl mercaptans and mixture of low-molecular dialkyl disulfides. Obtained preliminarily are unrefined alkyl mercaptans ethyl-, propyl-, butyl-, amyl-mercaptans by reaction of corresponding aliphatic alcohols with hydrogen sulfide in liquid phase in the presence of catalyst in form of sulfuric acid, which are mixed with mixture of low-molecular dialkyl disulfides in the amount of 93-99.9 mas. in various amounts of components. EFFECT: higher efficiency. 4 cl, 4 tbl