• reaction
  • This demonstration or class experiment shows the exothermic reaction of two elements, iron and sulfur, to form the compound, iron sulfide. (rsc.org)
  • Alternatively, utilizing bromine, sulfur hexafluoride can be synthesized from SF4 and CoF3 at lower temperatures (e.g. 100 °C), as follows: 2CoF3 + SF4 + (Br2) → SF6 + 2CoF2 + (Br2) There is virtually no reaction chemistry for SF 6. (wikipedia.org)
  • Sulfur mustard can be readily decontaminated through reaction with chloramine-T. Sulfur mustard is the organic compound with formula (ClCH2CH2)2S. (wikipedia.org)
  • This reaction occurs in the photosynthetic green and purple sulfur bacteria and some chemolithotrophs. (wikipedia.org)
  • It is accepted that the sulfide reduces the nitro groups to aniline derivatives, which are thought to form indophenol-containing intermediates that are further crosslinked by reaction with sulfur. (wikipedia.org)
  • Sulfur monoxide may have some biological activity, the formation of transient SO in porcine coronary artery has been inferred from the reaction products. (wikipedia.org)
  • The Nature of SO from Thiirane Oxide and the Mechanism of Its Reaction with Dienes Chao P., Lemal D. M. Journal of the American Chemical Society 95,3: (1973) 920 doi:10.1021/ja00784a049 A novel recyclable sulfur monoxide transfer reagent. (wikipedia.org)
  • atoms
  • The compound contains one atom of sulfur, as indicated by the S, and three atoms of oxygen, as indicated by t. (reference.com)
  • The chemical compound aluminum sulfate consists of two aluminum atoms, three sulfur atoms and 12 oxygen atoms. (reference.com)
  • Highly electron-deficient, dark blue holes appear on the surface of sulfur atoms in the SF2 molecule, and on one of the best of the 'sulfurous' catalysts created by Professor Matile's group. (innovations-report.com)
  • Under normal conditions, sulfur atoms form cyclic octatomic molecules with a chemical formula S8. (wikipedia.org)
  • SF 6 has an octahedral geometry, consisting of six fluorine atoms attached to a central sulfur atom. (wikipedia.org)
  • The acids that have been characterised contain a variety of structural features, for example: tetrahedral sulfur when coordinated to oxygen terminal and bridging oxygen atoms terminal peroxo groups terminal S=S chains of (-S-)n Peroxydisulphuric acid Sulfinic acids Sulfonic acids Chlorosulfuric acid Fluorosulfuric acid Nitrosylsulfuric acid Raman spectroscopic discovery of the hydrogenthiosulphate anion, HSSO− 3, in solid NH4HS2O3 Steudel Rr. (wikipedia.org)
  • majority of sulfur
  • The majority of sulfur trioxide made in this way is converted into sulfuric acid not by the direct addition of water, with which it forms a fine mist, but by absorption in concentrated sulfuric acid and dilution with water of the produced oleum. (wikipedia.org)
  • However, the biosphere does not act as a major sink for sulfur, instead the majority of sulfur is found in seawater or sedimentary rocks especially pyrite rich shales and evaporite rocks (anhydrite and baryte). (wikipedia.org)
  • citation
  • citation needed] Practitioners of complimentary and alternative medicine also sometimes recommend low sulfur diets for the so-called dental amalgam mercury poisoning, Cystathionine β-synthase (CBS) deficiency is a serious disorder of transsulfuration which is managed with methionine restricted dieting. (wikipedia.org)
  • This theory is supported by the observation that feces from carnivores is more malodorous than feces from herbivore species,[citation needed] and this appears to apply to human diets as well (odor of human feces shown to increase with increased dietary protein, particularly sulfur containing amino acids). (wikipedia.org)
  • citation needed] Sulfur reacts with nearly all other elements with the exception of gold, platinum, iridium, nitrogen, tellurium, iodine and the noble gases. (wikipedia.org)
  • atom
  • The Lewis structure of CS2 consists of a single carbon atom with one sulfur atom on each side. (reference.com)
  • However, a research team at the University of Geneva (UNIGE), Switzerland, has found that a sulfur atom, if carefully inserted into a molecule, can not only become an extremely effective catalyst but can also operate with greater precision. (innovations-report.com)
  • A main contribution to the inertness of SF6 is the steric hindrance of the sulfur atom, whereas its heavier group 16 counterparts, such as SeF6 are more reactive than SF6 as a result of less steric hindrance (See hydrolysis example). (wikipedia.org)
  • In terms of electron-counting formalism, the sulfur atom has an oxidation state of +6 and a formal charge of +2. (wikipedia.org)
  • In terms of electron-counting formalism, the sulfur atom has an oxidation state of +4 and a formal charge of +1. (wikipedia.org)
  • molecule
  • In contrast to SF4, the related molecule SF6 has sulfur in the 6+ state, no valence electrons remain nonbonding on sulfur, hence the molecule adopts a highly symmetrical octahedral structure. (wikipedia.org)
  • abundant
  • Being abundant in native form, sulfur was known in ancient times, being mentioned for its uses in ancient India, ancient Greece, China, and Egypt. (wikipedia.org)
  • Sulfur is the third most abundant mineral element in the body. (wikipedia.org)
  • dyes
  • Sulfur dyes are the most commonly used dyes manufactured for cotton in terms of volume. (wikipedia.org)
  • Sulfur dyes are predominantly black, brown, and dark blue. (wikipedia.org)
  • Red sulfur dyes are unknown, although a pink or lighter scarlet color is available. (wikipedia.org)
  • Like many sulfur dyes, details on the chemical reactions are poorly understood. (wikipedia.org)
  • The so-called sulfur bake dyes are produced from 1,4-diaminobenzene and diaminotoluene derivatives. (wikipedia.org)
  • Members of the sulfur bake dyes class are Sulfur Orange 1, Sulfur Brown 21, and Sulfur Green 12. (wikipedia.org)
  • Sulfur dyes are water-insoluble. (wikipedia.org)
  • Due to the highly polluting nature of the dye-bath effluent, sulfur dyes are being slowly phased out in the West but they are used on a large scale in China. (wikipedia.org)
  • doi:10.1002/14356007.a25_613 Parikshit Goswami, Montu Basak "Sulfur Dyes" in Kirk-Othmer Encyclopedia of Chemical Technology, 2001, John Wiley & Sons. (wikipedia.org)
  • amines
  • Examples are bis(2-chloroethyl)ether, the (2-haloethyl)amines (nitrogen mustards), and sulfur sesquimustard, which has two α-chloroethyl thioether groups (ClH2CCH2S−) connected by an ethylene (−CH2CH2−) group. (wikipedia.org)
  • cofactors
  • Biochemical cycles are also important for life because sulfur is an essential element, being a constituent of many proteins and cofactors. (wikipedia.org)
  • insoluble
  • Sulfur is insoluble in water but soluble in carbon disulfide and, to a lesser extent, in other nonpolar organic solvents, such as benzene and toluene. (wikipedia.org)
  • organic
  • When SO42− is assimilated by organisms, it is reduced and converted to organic sulfur, which is an essential component of proteins. (wikipedia.org)
  • concentrations
  • Grill D, Tausz M, Strnad B, Wonisch A, Müller M, Raschi A (2003) Thiols in acorns and feeding mites collected at sites with naturally elevated atmospheric sulphur concentrations. (springer.com)
  • processes
  • The sulfur cycle is the collection of processes by which sulfur moves to and from minerals (including the waterways)[clarification needed] and living systems. (wikipedia.org)
  • molecules
  • If this were the case, sulfur could be used as a catalyst, causing molecules to transform themselves. (innovations-report.com)
  • Sulfur forms polyatomic molecules with different chemical formulas, the best-known allotrope being octasulfur, cyclo-S8. (wikipedia.org)
  • The sulfur plasma consists mainly of dimer molecules (S2), which generate the light through molecular emission. (wikipedia.org)
  • SO inserts into alkenes, alkynes and dienes producing molecules with three membered rings containing sulfur. (wikipedia.org)
  • nitrogen
  • Sulphur is thus considered fundamentally important to human health, and conditions such as nitrogen imbalance and protein-energy malnutrition may result from deficiency. (wikipedia.org)
  • Augustin S, Bolte A, Holzhausen M, Wolff B (2005) Exceedance of critical loads of nitrogen and sulphur and its relation to forest conditions. (springer.com)
  • de Vries W (1993) Average critical loads for nitrogen and sulphur and its use in acidification abatement policy in The Netherlands. (springer.com)
  • Three classes of chemicals are monitored under this Convention, with sulfur and nitrogen mustard grouped in Schedule 1, as substances with no use other than in chemical warfare. (wikipedia.org)
  • fossil fuels
  • In recent times the large annual input of sulfur from the burning of coal and other fossil fuels adds a substantial amount SO2 which acts as an air pollutant. (wikipedia.org)
  • burns
  • Sulfur mustard can cause skin burns and blisters, especially around sweaty parts of the body. (in.gov)
  • volcanic
  • Owing to the sulfur cycle, the amount of mobile sulfur has been continuously increasing through volcanic activity as well as weathering of the crust in an oxygenated atmosphere. (wikipedia.org)
  • substrate
  • This is thought to be due to increased sulfur containing substrate available to gut microbiota enabling increased volatile sulfur compound (VSC) release during gut fermentation (VSC are thought to be the primary contributors to the odor of flatus and feces). (wikipedia.org)
  • NaOH
  • Some other sulfur fluorides are cogenerated, but these are removed by heating the mixture to disproportionate any S 2F 10 (which is highly toxic) and then scrubbing the product with NaOH to destroy remaining SF 4. (wikipedia.org)
  • Smell
  • There is a sulfur like smell coming from both sink drains. (thisoldhouse.com)
  • Have you found out from where the sulfur smell was coming? (thisoldhouse.com)
  • Crahan explained that the smell of sulfur is "something people either love or hate, and if you hate it, then it can be suffocating", so they incorporated water as a visual representation of that. (wikipedia.org)
  • atmosphere
  • In the geologic past, igneous intrusions into coal measures have caused large scale burning of these measures, and consequential release of sulfur to the atmosphere. (wikipedia.org)
  • DMS is the largest natural source of sulfur gas, but still only has a residence time of about one day in the atmosphere and a majority of it is redeposited in the oceans rather than making it to land. (wikipedia.org)
  • reactions
  • Subsequently, the so-called Vidal Blacks were produced by reactions of various aniline derivatives with sulfur. (wikipedia.org)
  • The principal photochemical reactions are proposed as follows: O + S2 → S + SO SO2 → SO + O Sulfur monoxide has been found in the largest star known, NML Cygni. (wikipedia.org)