Basic information Physical Properties Occurrence and Uses Preparation Safety Related Supplier
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SILVER(I) SULFIDE

Basic information Physical Properties Occurrence and Uses Preparation Safety Related Supplier
SILVER(I) SULFIDE Basic information
SILVER(I) SULFIDE Chemical Properties
  • Melting point:845 °C (lit.)
  • Boiling point:decomposes [HAW93]
  • Density 7.234 g/mL at 25 °C (lit.)
  • solubility Soluble in aq. HCN, aq. citric acid with KNO3. Insoluble in acids, alkalies, aqueous ammoniums.
  • form Powder
  • color Light yellow
  • Specific Gravity7.317
  • Water Solubility Soluble in HNO{3}, alkali cyanide solutions. Insoluble in water
  • Sensitive Light Sensitive
  • Merck 14,8530
  • Solubility Product Constant (Ksp)pKsp: 49.20
  • Stability:Stable. Incompatible with acids, strong oxidizing agents.
  • CAS DataBase Reference21548-73-2(CAS DataBase Reference)
  • EPA Substance Registry SystemSilver sulfide (21548-73-2)
Safety Information
  • Hazard Codes Xi
  • Risk Statements 36/37/38
  • Safety Statements 26-36
  • WGK Germany 3
  • 8
  • TSCA Yes
  • HazardClass 9
  • HS Code 28432900
MSDS
SILVER(I) SULFIDE Usage And Synthesis
  • Physical PropertiesGrayish-black orthogonal crystals or powder; density 7.23 g/cm3; Moh’s hardness 2.3; melts at 825°C; insoluble in water; soluble in nitric and sulfuric acids.
  • Occurrence and UsesSilver sulfide occurs in nature as mineral argentite. It is used in ceramics.
  • PreparationMineral argentite is mined from mineral deposits, crushed, ground, and washed for use. In the laboratory, silver sulfide is obtained by passing hydrogen sulfide gas through a solution of silver nitrate. The precipitate is washed with hot water.
  • Chemical PropertiesGrayish-black powder.Soluble in concentrated sulfuric and nitric acids; insoluble in water.
  • Physical propertiesPhysical Properties Grayish-black orthogonal crystals or powder; density 7.23 g/cm3; Moh’s hardness 2.3; melts at 825°C; insoluble in water; soluble in nitric and sulfuric acids.
  • UsesInlaying in niello metalwork, ceramics.
  • UsesSilver sulfide is a brownish back powder formed by the combination of an alkaline sulfide with silver. It is a very stable compound made when toning silver-based images in sulfides. It is soluble in sulfuric and nitric acids but insoluble in water and alcohol.
SILVER(I) SULFIDE(21548-73-2)Related Product Information
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