ToxicityAquatic toxicity:No data availablePersistence and degradabilityNo data availableBehavior in environmental systems:Bioaccumulative potentialNo data availableMobility in soilNo data availableAdditional ecological information:Must not reach bodies of water or drainage ditch undiluted or unneutralized.Results of PBT and vPvB assessmentPBT:N/AvPvB:N/AOther adverse effectsNo data available. In its elemental form, potassium has a silvery gray metallic appearance, but its compounds (such as potassium hydroxide) are more frequently used in industrial and chemical applications. , K-S-05, Relevant identified uses of the substance: Scientific research and development, Supplier details:American Elements10884 Weyburn Ave.Los Angeles, CA 90024Tel: +1 310-208-0551Fax: +1 310-208-0351, Emergency telephone number:Domestic, North America: +1 800-424-9300International: +1 703-527-3887, Classification of the substance or mixtureGHS02 FlameSelf-heat. Chemical formula K2SO4. PubMed:Copper-catalyzed three-component synthesis of benzothiazolethiones from o-iodoanilines, isocyanide, and potassium sulfide. Potassium sulfide, hydrated with not <30% water of crystallization Potassium sulfide is the inorganic compound with the formula K2S. Potassium sulfide (2:1) Dipotassium monosulfide (K2S) K2-S. HSDB 1204. Consult a physician.If swallowed:Drink copious amounts of water and provide fresh air. The fusion of potash with sulfur results in the formation of sulfurated potash, a mixture of potassium polysulfides and thiosulfates, which is used in the preparation of sulfur baths. Thus, 2 moles of potassium and 1 mole of sulfide ions combine to form K2S. Combined Experimental and Theoretical Studies on the Radical Nucleophile Addition Reaction for Sulfide and Selenide Centered Anions. Shimizu, Takeo. It contains about 50% of the macro element potassium and oxygen, as well as a small percentage of sulfur oxide, calcium, sodium, iron oxide, which are extremely important for harmonious plant growth; but they are so few in composition that they may not be taken into account when using other types of fertilizer… Waste treatment methodsRecommendation:Must not be disposed of together with household garbage. Search results for POTASSIUM DISULFIDE at Sigma-Aldrich. Potassium sulfate, what is it? Subsequently, question is, is potassium sulfide covalent or ionic bond? Potassium monosulfide. When the ampoule is broken, ammonia and hydrogen sulfide gases are released from the solution. The toxic fumes formed after heating are harmful for inhalation. It is a strong reducing agent used in sulfide toning - conversion of a black metallic silver image into a … Potassium polysulfide, pure. The number of electrons in each of Potassium's shells is [2, 8, 8, 1] and its electron configuration is [Ar] 4s1. The standard energy of combustion in fluorine of potassium sulfide K 2 S has been measured by bomb calorimetry. dipotassium monosulfide, Hepar sulfur, dipotassium sulfanide, dipotassium sulfide, heparsulfuris, dipotassium sulfide, dipotassium sulphide, Potassium monosulfide, Dipotassium trisulphide. Potassium is a mineral that is found in many foods and is needed for several functions of your body, especially the beating of your heart. Potassium sulfide is also used in photography. It has a pH between 8.5-11.5. See reverse side of invoice or packing slip for additional terms and conditions of sale. Potassium Sulfate said to be a healthy material for earth means it will fertilize the soil. Important information. It can sometimes be found on eBay. Runoff from fire control may cause pollution. Pyrotechnica Publications: Austin, 1981. https://en.wikipedia.org/w/index.php?title=Potassium_sulfide&oldid=965710745, Pages using collapsible list with both background and text-align in titlestyle, Articles containing unverified chemical infoboxes, Creative Commons Attribution-ShareAlike License, Causes skin burns. Simple hydrothermal approach for synthesis of fluorescent molybdenum disulfide quantum dots: Sensing of Cr ion and cellular imaging. Potassium polysulfide. Potassium sulfide is the inorganic compound with the formula K 2 S. The colourless solid is rarely encountered, because it reacts readily with water, a reaction that affords potassium hydrosulfide (KSH) and potassium hydroxide (KOH). Immediately call a doctor.Information for doctor:Most important symptoms and effects, both acute and delayedNo data availableIndication of any immediate medical attention and special treatment neededNo data available. Potassium was discovered and first isolated by Sir Humphrey Davy in 1807. The compound is used in the synthesis of some organosulfur compounds. Potassium Sulfide is generally immediately available in most volumes. Dipotassium monosulfide. X X H Faal. Safety, health and environmental regulations/legislation specific for the substance or mixtureSaraSection 355 (extremely hazardous substances):Substance is not listed.Section 313 (Specific toxic chemical listings):Substance is not listed.TSCA (Toxic Substances Control Act):Substance is listed.Proposition 65Chemicals known to cause cancer:Substance is not listed.Chemicals known to cause reproductive toxicity for females:Substance is not listed.Chemicals known to cause reproductive toxicity for males:Substance is not listed.Chemicals known to cause developmental toxicity:Substance is not listed.Carcinogenic categoriesEPA (Environmental Protection Agency)Substance is not listed.TLV (Threshold Limit Value established by ACGIH)Substance is not listed.NIOSH-Ca (National Institute for Occupational Safety and Health)Substance is not listed. Potassium sulfide, hydrated with not <30% water of crystallization [UN1847] [Corrosive] 37248-34-3. , K-S-04 Additional technical, research and safety (MSDS) information is available as is a Reference Calculator for converting relevant units of measurement. The above information is believed to be correct but does not purport to be all inclusive and shall be used only as a guide. The colourless solid is rarely encountered, because it reacts readily with water, a reaction that affords potassium hydrosulfide (KSH) and potassium hydroxide (KOH). - this is an inorganic compound, potassium salt of sulfuric acid. In case of intensive or longer exposure use respiratory protective device that is independent of circulating air.Protection of hands:Protective glovesThe glove material has to be impermeable and resistant to the product/ the substance/ the preparation.Due to missing tests no recommendation to the glove material can be given for the product/ the preparation/ the chemical mixture.Selection of the glove material on consideration of the penetration times, rates of diffusion and the degradationMaterial of glovesThe selection of the suitable gloves does not only depend on the material, but also on further marks of quality and varies from manufacturer to manufacturer.Penetration time of glove materialThe exact break through time has to be found out by the manufacturer of the protective gloves and has to be observed.Eye protection:Tightly sealed goggles, Information on basic physical and chemical propertiesGeneral InformationAppearance:Form: PowderColor: Light yellowOdor: Like rotten eggs (mercaptans)Odor threshold: No data available.pH: N/AMelting point/Melting range: no data °CBoiling point/Boiling range: no data °CFlash point: N/AFlammability (solid, gas): Product is not flammable.Ignition temperature:Decomposition temperature: No data available.Autoignition: No data available.Danger of explosion: No data available.Explosion limits:Lower: No data available.Upper: No data available.Vapor pressure: no data hPaDensity at 20 °C (68 °F): 1.805 g/cm3 (15.063 lbs/gal)Relative densityNo data available.Vapor densityN/AEvaporation rateN/ASolubility in Water (H2O): Insoluble.Partition coefficient (n-octanol/water): No data available.Viscosity:Dynamic: N/AKinematic: N/ASolvent content:Organic solvents: 0.0 %VOC content: 0.0 g/l / 0.00 lb/glSolids content: 100.0 %Other informationNo data available. See more Potassium products. tanker trucks. Vol. As with other alkali metals, potassium decomposes in water with the evolution of hydrogen because of its reacts violently with water, it only occurs in nature in ionic salts. Sulfide is highly basic, consequently K2S completely and irreversibly hydrolyzes in water according to the following equation: For many purposes, this reaction is inconsequential since the mixture of SH− and OH− behaves as a source of S2−. The structure of the potassium hydrosulfide resembles that for potassium chloride. The standard enthalpy of formation ΔH f o (K 2 S, c) = −(406.2±2.9) kJ mol −1 was derived. These are all ionic compounds which it why they say "metal ions" and "nonmetal ions". K-S-02 UN-NumberDOT, IMDG, IATAUN1382UN proper shipping nameDOT, IATAPotassium sulfideIMDGPOTASSIUM SULPHIDETransport hazard class(es)DOTClass4.2 Substances liable to spontaneous combustionLabel4.2IMDG, IATAClass4.2 Substances liable to spontaneous combustionLabel4.2Packing groupDOT, IMDG, IATAIIEnvironmental hazards:Marine pollutant:NoSpecial precautions for userN/ADanger code (Kemler):40EMS Number: F-A,S-JSegregation groupsAlkalisStowage CategoryASegregation CodeSG35 Stow "separated from" acids.Transport in bulk according to Annex II of MARPOL73/78 and the IBC CodeN/ATransport/Additional information:DOTQuantity limitationsOn passenger aircraft/rail: 15 kgOn cargo aircraft only: 50 kgIMDGLimited quantities (LQ)0Excepted quantities (EQ)Code: E2Maximum net quantity per inner packaging: 30 gMaximum net quantity per outer packaging: 500 gUN "Model Regulation":UN 1382 POTASSIUM SULFIDE, 4.2, II. Most volumes it 's used to help grow some types of fruits, vegetables and. 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