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Molecules derived from sulfur chains
Polysulfides are a class of chemical compounds derived from anionic chains of sulfur atoms. There are two main classes of polysulfides: inorganic and organic
Polysulfide
Type of rechargeable battery
commercially available. Several issues have slowed acceptance. One is the polysulfide "shuttle" effect that is responsible for the progressive leakage of active
Lithium–sulfur_battery
Chemical compound
Sodium polysulfide is a general term for salts with the formula Na2Sx, where x = 2 to 5. The species S2− x, called polysulfide anions, include disulfide
Sodium_polysulfide
Flow battery
The polysulfide–bromine battery (PSB; sometimes polysulphide–polybromide or "bromine–sulfur") is a type of rechargeable electric battery that stores electrical
Polysulfide–bromide_battery
Organic polysulfide polymers
Thiokol is a trade mark for various organic polysulfide polymers. Thiokol polymers are used as an elastomer in seals and sealants. The distinction between
Thiokol_(polymer)
Protein
Polysulfide reductase (NrfD) is an integral transmembrane protein with loops in both the periplasm and the cytoplasm. NrfD is thought to participate in
Polysulfide_reductase
Chemical mixture used as a pest control agent
British English spelling differences) is mainly a mixture of calcium polysulfides and thiosulfate (plus other reaction by-products such as sulfite and
Lime_sulfur
Type of electrochemical cell
cycles without substantial degradation. When discharging, the lithium polysulfide absorbs lithium ions; releasing them when charging. The demonstration
Lithium-ion_flow_battery
Type of chemical mixture
sulfur is a loosely defined mixture of potassium sulfide, potassium polysulfide, potassium thiosulfate, and likely potassium bisulfide. Synonyms include
Liver_of_sulfur
Chemical element with atomic number 16 (S)
S2+4 is yellow and S2+19 is red. Reduction of sulfur gives various polysulfides with the formula S2− x, many of which have been obtained in crystalline
Sulfur
Recoloration of black-and-white photographs
according to the chemical mixture; Polysulfide or "direct" toners – these do not require a bleaching stage. Except for polysulfide toners, sepia toning is done
Photographic_print_toning
Inverse vulcanization is a process that produces polysulfide polymers, which also contain some organic linkers. In contrast, sulfur vulcanization produces
Inverse_vulcanization
Class of chemical compounds
this category of organic compound is more typically referred to as a polysulfide. Polysulfanes consist of unbranched chains of sulfur atoms terminated
Polysulfane
Type of molten-salt battery
350 °C), as well as the highly reactive nature of sodium and sodium polysulfides, these batteries are primarily suited for stationary energy storage applications
Sodium–sulfur_battery
American scientist
2997376, Bartley, Charles E., "Solid composite propellant containing polysulfide rubber fuel binder", issued 1961-08-22 Hunley, J. D. (June 1999). The
Charles_Bartley
Functional group with the chemical structure R–S–S–R′
alkylation of alkali metal di- and polysulfides gives disulfides. "Thiokol" polymers arise when sodium polysulfide is treated with an alkyl dihalide.
Disulfide
Distilled alcoholic beverage
picolines and pyrazines. The sulfur compounds include thiophenes and polysulfides which seem to contribute to whiskey's roasted character. The distinctive
Whisky
Chemical compound
sodium sulfide are generally yellow to brick red owing to the presence of polysulfides. It is commonly supplied as a crystalline mass, in flake form, or as
Sodium_sulfide
Chemical compound
rigidification process is akin to the vulcanization of rubber, where commonly polysulfide linkages are used to crosslink the polymer chains. However, not as many
Ammonium_thioglycolate
Four-stage American expendable launch vehicle (1958)
500 lbf) Specific impulse 220 s (2.2 km/s) Burn time 6 seconds Propellant Polysulfide-aluminum and ammonium perchlorate (Solid) Third stage – Baby Sergeant
Juno_I
Particle, atom or molecule with a net electrical charge
Nickel–hydrogen Nickel–iron Nickel–lithium Nickel–metal hydride Nickel–zinc Polysulfide–bromide Potassium ion Rechargeable alkaline Silver–cadmium Silver–zinc
Ion
Japanese anti-aircraft shell
filled with "rubber thermite" (45% elektron, 40% barium nitrate, 9.3% polysulfide synthetic rubber, 5% natural rubber, 0.5% sulphur, 0.2% stearic acid)
San Shiki (anti-aircraft shell)
San_Shiki_(anti-aircraft_shell)
Enzyme
reductase, is an enzyme that catalyzes the reduction of elemental sulfur or polysulfide to hydrogen sulfide using hydrogen as electron donor. This enzyme belongs
Sulfhydrogenase
Bonds linking one polymer chain to another
bis(triethoxysilylpropyl)tetrasulfide is a cross-linking agent: the siloxy groups link to silica and the polysulfide groups vulcanize with polyolefins.
Cross-link
Polymer harvested from certain trees
enough to melt the crystals. Vulcanization of rubber creates di- and polysulfide bonds between chains, which limits the degrees of freedom and results
Natural_rubber
Chemical compound
922383 g/mol Related compounds Other anions Calcium hydroxide Calcium polysulfide Other cations Ammonium hydrosulfide Sodium hydrosulfide Related compounds
Calcium_hydrosulfide
Defunct American rubber, related chemicals and rocket manufacturer (1929–2007)
the course of an experiment involving ethylene dichloride and sodium polysulfide, they created a gum whose outstanding characteristic was a terrible odor
Thiokol
Species of bacteria
Sulfur-containing compounds from plants with high concentrations of polysulfides, coumarins, and terpenes have all been shown to be effective against
Helicobacter_pylori
Chemical compound
molecule consists of two trialkoxysilyl propyl groups linked with a polysulfide. It is often sold as a mixture with the trisulfide. The compound is a
Bis(triethoxysilylpropyl)tetrasulfide
Bis(triethoxysilylpropyl)tetrasulfide
Chemical compound and chemical warfare nerve agent
produced by mixing with sulfur compounds, as with the liquid dimethyl polysulfide mixture (known as NM) in the canceled XM736 8-inch projectile program
VX_(nerve_agent)
Chemical element with atomic number 26 (Fe)
luster. It is not an iron(IV) compound, but is actually an iron(II) polysulfide containing Fe2+ and S22− ions in a distorted sodium chloride structure
Iron
Organic compounds that contain sulfur
Organosulfur chemistry is the study of the properties and synthesis of organosulfur compounds, which are organic compounds that contain sulfur. They are
Organosulfur_chemistry
battery Organic radical battery Oxygen-ion battery Polymer-based battery Polysulfide–bromide battery Rechargeable alkaline battery Rechargeable fuel battery
List_of_battery_types
Chemical compound
It is one of several polysulfide salts with the general formula M2Sn, where M = Li, Na, K and n = 2, 3, 4, 5, 6. The polysulfide salts of potassium and
Potassium_pentasulfide
Polymer composed of a chain of organic units joined by carbamate (urethane) links
polycarbonate polyols, polycaprolactone polyols, polybutadiene polyols, and polysulfide polyols. The materials are used in elastomer, sealant, and adhesive applications
Polyurethane
Airport in Tamuning, Guam, United States
determined the cause of the fire to be an overheat related to the use of a polysulfide sealant in the electrical connections to the windshield. Island Hopper
Antonio B. Won Pat International Airport
Antonio_B._Won_Pat_International_Airport
Toxic effect of metal ions on living cells
killers, and other pesticides. Arsenic is poisonous to humans. Barium polysulfide is a fungicide and acaricide used in fruit and grape growing. Bismuth
Oligodynamic_effect
Chemical compound
H2O Upon heating to 300 °C, it decomposes to sodium sulfate and sodium polysulfide: 4 Na2S2O3 → 3 Na2SO4 + Na2S5 Thiosulfate salts characteristically decompose
Sodium_thiosulfate
Chemical compound
solid. Potassium hydrosulfide reacts with elemental sulfur to gives polysulfide salts, such as dipotassium pentasulfide. Potassium hydrosulfide is prepared
Potassium_hydrosulfide
Poisonous and flammable gas
Kimura, Hideo (February 2020). "Signalling by Hydrogen Sulfide and Polysulfides via Protein S-Sulfuration". British Journal of Pharmacology. 177 (4):
Hydrogen_sulfide
Polymer with rubber-like elastic properties
elastomers: Thermoplastic elastomers (TPE) The proteins resilin and elastin Polysulfide rubber Elastolefin, elastic fiber used in fabric production Poly(dichlorophosphazene)
Elastomer
and chlorinated paraffins) Esters of chlorendic acid Polymer esters Polysulfides Molybdenum compounds Aliphatic chlorinated hydrocarbons (chlorinated
Extreme_pressure_additive
Compounds of plutonium, sulfur, and oxygen
plutonium, oxygen and sulfur, where sulfur exists as sulfide (S2-) or polysulfide (Sn2−) ions and plutonium exists in the trivalent state or tetravalent
Plutonium_oxysulfides
Soluble chemical substance or natural material which can impart color to other materials
melting benzene, naphthalene, or anthracene derivatives with sulfur or polysulfides and have an ill-defined constitution. They are particularly suitable
Dye
Chemical compound
Molybdenum trisulfide is an inorganic compound with the formula MoS3. It is a polysulfide, meaning it contains sulfur-sulfur bonds. Its formula can be represented
Molybdenum_trisulfide
Compounds of plutonium and sulfur
compounds of plutonium and sulfur, where sulfur exists as sulfide or polysulfide ions and plutonium exists in the trivalent state or tetravalent state
Plutonium_sulfides
Organic polymer with industrial applications
fiber in which the fiber-forming substance is a long chain synthetic polysulfide in which at least 85% of the sulfide (–S–) linkages are attached directly
Polyphenylene_sulfide
Environmental remediation technique
tetrachloride in suspension. Polysulfides have been tested on the field in treating TCE and in comparison to EHC. The use of polysulfides is a type of abiotic
In_situ_chemical_reduction
Type of skin disease caused by parasitic mites
useful in treating canine scabies. Sulfurated lime (a mixture of calcium polysulfides) rinses applied weekly or biweekly are effective (the concentrated form
Mange
Group of highly reactive chemical elements
sodium can react with sulfur to form the sulfide (Na2S) and various polysulfides with the formula Na2Sx (x from 2 to 6), containing the S2− x ions. Due
Alkali_metal
Bonding of atoms of the same element into chains or rings
as the chains lengthen. Also, sulfur polycations, sulfur polyanions (polysulfides) and lower sulfur oxides are all known. Furthermore, selenium and tellurium
Catenation
Highly vulcanized rubber that is generically known as "hard rubber"
variables that determine the technical properties of the hard rubber polysulfide elastomer. The occurring reaction is basically addition of sulfur at
Ebonite
Type of polymerization reaction mechanism
canopy of the F-22 Raptor is made of high-optical-quality polycarbonate. Polysulfides have outstanding oil and solvent resistance, good gas impermeability
Step-growth_polymerization
Chemical compound
High-Temperature Engineering Thermoplastics: Polysulfones, Polyimides, Polysulfides, Polyketones, Liquid Crystalline Polymers, and Fluoropolymers", in Sastri
Polyetherimide
Chemical compound
isolated Cs2S with additional sulfur can produce caesium polysulfide media. In polysulfides, sulfur occurs in S–S-bonded Sx2− units rather than solely
Caesium_sulfide
Chemical reaction
alkyne, or alkene to the corresponding amide by reaction with ammonium polysulfide, named after Conrad Willgerodt. The formation of the corresponding carboxylic
Willgerodt_rearrangement
Increases the viscosity of a liquid without altering its other properties
(LA-series) tetraoxyborate - their coordination complexes Casein Sulfur (polysulfides) Polybutadiene Asphalt - and other organic minerals Bentonite clay (lyophilic
Thickening_agent
Class of rocket
300 lbf) Specific impulse 238 s (2.33 km/s) Burn time 33 seconds Propellant Polysulfide/AP (APCP) Third stage (SLV-7) – Allegany Ballistics Laboratory Height
Vanguard_(rocket)
Chemical compound
compound with the formula Fe(C5H4S)2S. A yellow solid, it is the simplest polysulfide derivative of ferrocene. It can be synthesized by treatment of dilithioferrocene
1,1'-Ferrocenetrisulfide
Pesticide used to kill plant-parasitic nematodes
natural nematicides are known. An environmentally benign garlic-derived polysulfide product is approved for use in the European Union (under Annex 1 of 91/414)
Nematicide
Class of plant-derived organic compounds with soap-like properties
Phenethyl Isothiocyanate Nitriles Thiocyanates Organosulfides Sulfides Polysulfides Diallyl disulfide Indoles Indole-3-carbinol 3,3'-Diindolylmethane Allicin
Saponin
high theoretical energy density. However, the shuttle effect of soluble polysulfides as well as the slow redox kinetics constrains the development of Li-S
Nanodot
Chemical compound
4-nitrochlorobenzene, which was improved by intentionally generating a polysulfide intermediate. 4-Nitrothiophenol is closely related to thiophenol but
4-Nitrothiophenol
aureofungin azaconazole [Wikidata] azithiram [Wikidata] azoxystrobin barium polysulfide [Wikidata] benalaxyl [Wikidata] benodanil benomyl benquinox [Wikidata]
List_of_fungicides
Species of edible plant
garlic yields the sulfur-containing compounds allicin, ajoene, diallyl polysulfides, vinyldithiins, and S-allylcysteine, as well as enzymes, saponins, flavonoids
Garlic
Chemical compound
source of S2−. Other alkali metal sulfides behave similarly. Potassium polysulfides can be synthesized by reaction of K and S in different ratios: 2 K +
Potassium_sulfide
Process of changing the color of metal surfaces with different chemical solutions
more yellow. Black: Items are submerged in a 2.5% solution of sodium polysulfide Brown: Items are boiled in at least 3-day-old water solution of 12% copper
Chemical_coloring_of_metals
Class of chemical compounds
Phenethyl Isothiocyanate Nitriles Thiocyanates Organosulfides Sulfides Polysulfides Diallyl disulfide Indoles Indole-3-carbinol 3,3'-Diindolylmethane Allicin
Polyphenol
Chemical compound
large class of natural products featuring a diketopiperazine with di- or polysulfide linkage. These highly bioactive compounds have been the subject of numerous
Gliotoxin
Chemical compound
by distillation of the polysulfane oil obtained by acidification of polysulfide salts. "trisulfane (CHEBI:50365)". Chemical Entities of Biological Interest
Trisulfane
Deep blue pigment
consists primarily of a zeolite-based mineral containing small amounts of polysulfides. It occurs in nature as a proximate component of lapis lazuli containing
Ultramarine
Ion
is analogous to the reaction of S8 with sodium sulfide (which forms polysulfides) except that the higher polyiodides have branched structures. The ion
Triiodide
Material for building and design
and designated as compatible for use with copper. In general, butyl, polysulfide, polyurethane, and other inorganic or rubber-based sealants are reasonably
Copper_in_architecture
Type of electrochemical cell
Conventional redox flow battery chemistries include iron-chromium, vanadium, polysulfide–bromide (Regenesys), and uranium. Redox fuel cells are less common commercially
Flow_battery
Chemical compound
hydrothermal fluids. Lithium hexasulfide (which contains S−6, another polysulfide radical anion) with tetramethylenediamine solvation dissociates acetone
Trisulfur
Pungent chemical compound in chili peppers
Phenethyl Isothiocyanate Nitriles Thiocyanates Organosulfides Sulfides Polysulfides Diallyl disulfide Indoles Indole-3-carbinol 3,3'-Diindolylmethane Allicin
Capsaicin
Chemical compounds with a sulfur atom
S42+ is yellow and S192+ is red. Reduction of sulfur gives various polysulfides with the formula Sx2-, many of which have been obtained in crystalline
Sulfur_compounds
Chemical compound
sodium hydrosulfide in alcoholic solution: 2NaSH + 4 S → Na2S4 + H2S The polysulfide anions adopt zig-zag chains of sulfur atoms. The S-S distances are about
Sodium_tetrasulfide
Compounds of neptunium and sulfur
has an oxidation state of +3 or +4, and sulfur exists as sulfide or polysulfide ions. They have the general formula NpxSy. Known neptunium sulfides include
Neptunium_sulfides
Scottish scientist
Thangadurai,* “Theoretical Study on the Role of Solvents in Lithium Polysulfide Anchoring on Vanadium Disulfide Facets for Lithium-Sulfur Batteries,”
Venkataraman_Thangadurai
Type of silicone rubber
the curing time factor between coats is long (longer than urethanes or polysulfides, shorter than latex). Silicone components (A+B) must be mixed accurately
RTV_silicone
Hypothetical charge of an atom if all its bonds to different atoms were fully ionic
ionic charge over the two outer atoms. Such a placement of charges in a polysulfide Sn2− (where all inner sulfurs form two bonds, fulfilling the 8 − N rule)
Oxidation_state
Type of agriculture that emphasizes natural and environmentally friendly techniques
toxic Mancozeb (LD50 4,500 to 11,200 mg/kg) Lime sulfur (aka calcium polysulfide) and sulfur are considered to be allowed, synthetic materials (LD50:
Organic_farming
Class of chemical compounds
Phenethyl Isothiocyanate Nitriles Thiocyanates Organosulfides Sulfides Polysulfides Diallyl disulfide Indoles Indole-3-carbinol 3,3'-Diindolylmethane Allicin
Betalain
Substance used to block the passage of fluids through openings
sealants Metal sealants Patio sealants Paint sealants Plastic sealants Polysulfide sealants Polyurethane sealants Rubber sealants Sealcoat Seam sealants
Sealant
1016/0378-7753(94)02055-8. Lei, W (2015). "The synergetic effect of lithium polysulfide and lithium nitrate to prevent lithium dendrite growth". Nature Communications
Research in lithium-ion batteries
Research_in_lithium-ion_batteries
of sulfur – a loosely defined mixture of potassium sulfide, potassium polysulfide, potassium thiosulfate, and likely potassium bisulfide. Lunar caustic/lapis
List_of_alchemical_substances
Former district in Nagano prefecture, Japan
However, the ratios of chemical burns from irritant pesticides—calcium polysulfide, dazomet, methyl bromide, chlorpicrin, paraquat/diquat, organophosphorus
Saku_District,_Shinano
Swiss battery research and development company
nanoFlowcell uses, unlike the electrolytes in vanadium flow batteries or polysulfide bromide flow batteries, proprietary molecules as charge carriers; the
NanoFlowcell
Microorganisms able to reduce elemental sulfur to hydrogen sulfide
hypothesis that polysulfide could be an intermediate of sulfur respiration, due to the conversion of elemental sulfur into polysulfide that occurs in sulfide
Sulfur-reducing_bacteria
Accumulation of brine in a seafloor depression
sulfide/quinone complex which oxidizes hydrogen sulfide to elemental sulfur. polysulfide reductase, which reduces precipitate sulfur to sulfide. A combination
Brine_pool
Mercury contamination in sea and sediments
orange peels as raw material. This technology produces sulfur limonene polysulfide (proposed material) using sulfur and limonene. Using industrial byproducts
Marine_mercury_pollution
Chemical compounds produced by plants
Phenethyl Isothiocyanate Nitriles Thiocyanates Organosulfides Sulfides Polysulfides Diallyl disulfide Indoles Indole-3-carbinol 3,3'-Diindolylmethane Allicin
Phytochemical
Part of the Redstone rocket family
burning time, 6.5 s specific impulse, 220 s (2.16 kN·s/kg) propellant, polysulfide-aluminum and ammonium perchlorate (solid propellant) Stage 3: Three JPL
Jupiter-C
Chemical compound
Tetrasulfane (S4H2) is an inorganic chemical compound featuring a disulfide and two thiol groups. Similar to other polysulfanes, it can be made by neutralizing
Tetrasulfane
Biogeochemical cycle of sulfur
bacteria and some chemolithotrophs. Often the elemental sulfur is stored as polysulfides. Oxidation of elemental sulfur by sulfur oxidizers produces sulfate.
Sulfur_cycle
Portion of plant-derived food that cannot be completely digested
Phenethyl Isothiocyanate Nitriles Thiocyanates Organosulfides Sulfides Polysulfides Diallyl disulfide Indoles Indole-3-carbinol 3,3'-Diindolylmethane Allicin
Dietary_fiber
Mechanical, toroid gasket that seals an interface
Polyacrylate rubber (ACM) Polychloroprene (neoprene) (CR) Polyisoprene (IR) Polysulfide rubber (PSR) Polytetrafluoroethylene (PTFE) Sanifluor (FEPM) Silicone
O-ring
Chemical compound of formula CaS
used as an insecticide. The active ingredient is probably a calcium polysulfide, not CaS. Calcium sulfide decomposes upon contact with water, including
Calcium_sulfide
agreed to belong to this family: Hydropersulfides Organic polysulfides Inorganic polysulfides and polysulfanes The following species are sometimes defined
Reactive_sulfur_species
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