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Silver sulfate

Silver sulfate Structure
Silver sulfate
  • CAS No.10294-26-5
  • Chemical Name:Silver sulfate
  • CBNumber:CB5677261
  • Molecular Formula:Ag2O4S
  • Formula Weight:311.8
  • MOL File:10294-26-5.mol
Silver sulfate Property
  • Melting point: :652 °C (lit.)
  • Boiling point: :1085 °C
  • Density  :5.45
  • Flash point: :1085°C
  • storage temp.  :Keep in dark place,Sealed in dry,Room Temperature
  • solubility  :8g/l
  • form  :Solid
  • Specific Gravity :5.45
  • color  :White to off-white
  • PH :5-6 (5g/l, H2O, 25℃)
  • Water Solubility  :7.4 g/L (20 ºC)
  • Sensitive  :Light Sensitive
  • Merck  :14,8529
  • Solubility Product Constant (Ksp) :pKsp: 4.92
  • Stability: :Stability Stable, but light-sensitive.
  • InChIKey :YPNVIBVEFVRZPJ-UHFFFAOYSA-L
  • CAS DataBase Reference :10294-26-5(CAS DataBase Reference)
  • EWG's Food Scores :2-3
  • FDA UNII :8QG6HV4ZPO
  • EPA Substance Registry System :Silver sulfate (10294-26-5)
Safety
Hazard and Precautionary Statements (GHS)
  • Symbol(GHS)
  • Signal wordDanger
  • Hazard statements H318-H410-H400
  • Precautionary statements P280-P305+P351+P338+P310-P280i-P305+P351+P338-P310a
Silver sulfate Price More Price(36)
  • Brand: Sigma-Aldrich
  • Product number: 1.01509
  • Product name : Silver sulfate
  • Purity: GR for analysis ACS
  • Packaging: 25 g
  • Price: $174.82
  • Updated: 2021/03/22
  • Buy: Buy
  • Brand: Sigma-Aldrich
  • Product number: 10229
  • Product name : Silver sulfate
  • Purity: puriss., ≥99%
  • Packaging: 25g
  • Price: $202
  • Updated: 2021/03/22
  • Buy: Buy
  • Brand: Sigma-Aldrich
  • Product number: SX0210
  • Product name : Silver Sulfate
  • Purity: Meets ACS Specifications GR ACS
  • Packaging: 25 g
  • Price: $241.42
  • Updated: 2021/03/22
  • Buy: Buy
  • Brand: Sigma-Aldrich
  • Product number: 1.01534
  • Product name : Silver sulfate
  • Purity: extra pure
  • Packaging: 50 g
  • Price: $304.32
  • Updated: 2021/03/22
  • Buy: Buy
  • Brand: Sigma-Aldrich
  • Product number: 1.01509
  • Product name : Silver sulfate
  • Purity: GR for analysis ACS
  • Packaging: 100 g
  • Price: $669.7
  • Updated: 2021/03/22
  • Buy: Buy

Silver sulfate Chemical Properties,Usage,Production

  • Chemical Properties Small, colorless, lustrous crystals or crystalline powder. Contains about 69% silver, turns gray on exposure to light.Soluble in ammonium hydroxide, nitric acid, sulfuric acid, hot water; insoluble in alcohol.
  • Physical properties Colorless crystals or powder; slowly darkens when exposed to light; density 5.45 g/cm3; melts at 652°C; decomposes at 1,085°C; slightly soluble in water; dissolves in nitric acid, concentrated sulfuric acid and ammonia solution.
  • Uses Silver sulfate is used as a catalyst to oxidize long chain aliphatic hydrocarbons in the determination of chemical oxygen demand (COD).
  • Preparation Silver sulfate is precipitated by adding sulfuric acid to a solution of silvernitrate:

    2Ag+(aq) + SO42- (aq) → Ag2SO4 (s) The precipitate is washed with hot water and preparation is under ruby red illumination.

  • General Description Odorless white to gray solid. Sinks and mixes with water.
  • Reactivity Profile Silver sulfate has weak oxidizing or reducing powers. Redox reactions can however still occur. The majority of compounds in this class are slightly soluble or insoluble in water. If soluble in water, then the solutions are usually neither strongly acidic nor strongly basic. These compounds are not water-reactive.
  • Hazard Highly toxic.
  • Health Hazard Contact with eyes causes irritation. If continued for a long period, ingestion or inhalation of silver compounds can cause permanent discoloration of the skin (argyria).
  • Purification Methods Crystallise the sulfate form hot conc H2SO4 containing a trace of HNO3, and dilute with H2O while being strongly cooled. The precipitate is filtered off, washed with H2O and dried at 120o. Its solubility in H2O is 0.8% at 17o, and 1.46% at 100o. Store it in the dark. [Glemser & Sauer in Handbook of Preparative Inorganic Chemistry (Ed. Brauer) Academic Press Vol II p 1042 1965.]
Silver sulfate Preparation Products And Raw materials
Raw materials
Preparation Products
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