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Sulfuryl chloride is not found in nature, as can be inferred from its rapid hydrolysis. Sulfuryl chloride is commonly confused with thionyl chloride, SOCl 2. The properties of these two sulfur oxychlorides are quite different: sulfuryl chloride is a source of chlorine whereas thionyl chloride is a source of chloride ions.
It is an intermediate, chemically and conceptually, between sulfuryl chloride (SO 2 Cl 2) and sulfuric acid (H 2 SO 4). [6] The compound is rarely obtained pure. Upon standing with excess sulfur trioxide, it decomposes to pyrosulfuryl chlorides: [7] 2 ClSO 3 H + SO 3 → H 2 SO 4 + S 2 O 5 Cl 2
SCl 2 is used in organic synthesis.It adds to alkenes to give chloride-substituted thioethers. Illustrative is its addition to 1,5-cyclooctadiene to give a bicyclic thioether [2] A well tested method for the production of the mustard gas bis(2-chloroethyl)sulfide, is the addition of ethylene to sulfur dichloride: [3]
Treatment of sulfur with hydrogen gives hydrogen sulfide.When dissolved in water, hydrogen sulfide is mildly acidic: [5] H 2 S ⇌ HS − + H +. Hydrogen sulfide gas and the hydrosulfide anion are extremely toxic to mammals, due to their inhibition of the oxygen-carrying capacity of hemoglobin and certain cytochromes in a manner analogous to cyanide and azide.
Methylphosphonyl dichloride is produced by oxidation of methyldichlorophosphine, with sulfuryl chloride: [3]. CH 3 PCl 2 + SO 2 Cl 2 → CH 3 P(O)Cl 2 + SOCl 2. It can also be produced from a range of methylphosphonates (e.g. dimethyl methylphosphonate) via chlorination with thionyl chloride.
Anilines (1) react with S 2 Cl 2 in the presence of NaOH to give 1,2,3-benzodithiazolium chloride (2) (Herz reaction) which can be transformed into ortho-aminothiophenolates (3), these species are precursors to thioindigo dyes. It is also used to prepare mustard gas via ethylene at 60 °C (the Levinstein process): 8 S 2 Cl 2 + 16 H 2 C=CH 2 → ...
The mechanism of action is the insecticide binding at the GABA A site in the GABA-gated chloride channel (IRAC group 2A), which inhibits chloride flow into the nerve. [13]: 257 Other examples include dicofol, mirex, kepone, and pentachlorophenol. These can be either hydrophilic or hydrophobic, depending on their molecular structure. [14]
The structure of the sulfuryl group. In inorganic chemistry, the sulfuryl group is a functional group consisting of a sulfur atom covalently bound to two oxygen atoms (S(=O) 2 X 2). It occurs in compounds such as sulfuryl chloride, SO 2 Cl 2 and sulfuryl fluoride, SO 2 F 2.