• mercaptan
    Natural Gas - English

    The Effects of Mercaptans on Various Metals

    What is Mercaptan? for many oxygenated organic compounds, there are analogous derivatives in which sulfur replaces the oxygen atom. The derivatives are called “thiocompounds” (e.g., thioalcohols, thioethers, and thioaldehydes). Thiocompounds corresponding to the alcohols (e.g., methanethiol) also are called “mercaptans” because they easily form mercury salts and have been used to treat mercury poisoning. Mercaptans tend to have strong, repugnant odors resembling skunk spray, rotten egg, or rotten cabbage. Low-molecular weight varieties of the compounds are used to odorize natural gas. Mercaptans are integral raw materials for many agricultural, pharmaceutical, and industrial products (e.g., pesticides and jet fuel additives). They are supplied primarily by companies such as OxyChem (NGO), ChevronPhillips, and Atofina, although waste products in the form of mercaptan and sulfide byproducts have long been available from pulp mills. Methyl mercaptan (CH3SH) is toxic, as is…