Uses Preparation Reactions
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MERCURY(II) SULFATE

Uses Preparation Reactions
MERCURY(II) SULFATE Structure
MERCURY(II) SULFATE
  • CAS No.7783-35-9
  • Chemical Name:MERCURY(II) SULFATE
  • CBNumber:CB8153036
  • Molecular Formula:HgO4S
  • Formula Weight:296.65
  • MOL File:7783-35-9.mol
MERCURY(II) SULFATE Property
  • Melting point: :°Cd ec.)
  • Density  :6.47
  • storage temp.  :Store at RT.
  • solubility  :Soluble in hot sulfuric acid and sodium chloride solution. Insoluble in alcohol, acetone and ammonia.
  • form  :Powder
  • color  :White to pale yellow
  • Specific Gravity :6.47
  • Odor :Odorless
  • PH :1 (50g/l, H2O, 20℃)
  • Water Solubility  :decomposed in H2O to yellow insoluble basic sulfate and H2SO4; soluble HCl, hot dilute H2SO4, conc NaCl solution [MER06]
  • Sensitive  :Hygroscopic
  • Merck  :14,5887
  • Stability: :Unstable. Incompatible with strong acids. Light and heat sensitive.
  • CAS DataBase Reference :7783-35-9(CAS DataBase Reference)
  • FDA UNII :J4L3PPG58I
  • EPA Substance Registry System :Mercuric sulfate (7783-35-9)
Safety
Hazard and Precautionary Statements (GHS)
  • Symbol(GHS)
  • Signal wordDanger
  • Hazard statements H300+H310+H330-H373-H410-H300-H310-H330-H400
  • Precautionary statements P260-P262-P280-P302+P352+P310-P304+P340+P310-P301+P310a-P304+P340-P320-P330-P405-P501a
MERCURY(II) SULFATE Price More Price(14)
  • Brand: Sigma-Aldrich
  • Product number: 10029
  • Product name : Mercury(II) sulfate
  • Purity: puriss., ≥98%
  • Packaging: 250g
  • Price: $245
  • Updated: 2019/12/02
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  • Brand: Sigma-Aldrich
  • Product number: 10029
  • Product name : Mercury(II) sulfate
  • Purity: puriss., ≥98%
  • Packaging: 1kg
  • Price: $729
  • Updated: 2019/12/02
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  • Brand: Alfa Aesar
  • Product number: 036286
  • Product name : Mercury(II) sulfate, ACS, 98.0% min
  • Purity: 
  • Packaging: 25g
  • Price: $28.4
  • Updated: 2019/12/02
  • Buy: Buy
  • Brand: Alfa Aesar
  • Product number: 036286
  • Product name : Mercury(II) sulfate, ACS, 98.0% min
  • Purity: 
  • Packaging: 100g
  • Price: $102
  • Updated: 2019/12/02
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  • Brand: Strem Chemicals
  • Product number: 93-8036
  • Product name : Mercury(II) sulfate, min. 98%
  • Purity: 
  • Packaging: 50g
  • Price: $54
  • Updated: 2019/12/02
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MERCURY(II) SULFATE Chemical Properties,Usage,Production

  • Uses Mercury(II) sulfate is an electrolyte for primary batteries. Other applications are in extraction of gold and silver from roasted pyrites; as a catalyst in organic reactions such as conversion of acetylene to acetaldehyde; and as a reagent for wine coloring.
  • Preparation Mercury(II) sulfate is prepared by heating mercury with an excess of concentrated sulfuric acid; or by dissolving mercury(II) oxide in concentrated sulfuric acid. The solution is evaporated repeatedly to yield anhydrous salt as white leaftlets. However, in the presence of a small amount of water, the monohydrate of the salt, HgSO4•H2O crystallizes as a colorless rhombic prism. Hydrolysis occurs in the presence of a large amount of water, forming a yellow basic sulfate, HgSO4•2HgO.
    The compound also is prepared by treating alkali sulfate, such as sodium or potassium sulfate with a solution of mercury(II) nitrate.
  • Reactions Mercury(II) sulfate on heating first turns yellow and then becomes redbrown. When heated to red heat, it decomposes to mercury, sulfur dioxide, and oxygen.
    HgSO4 → Hg + SO4 + O2
    Mercury(II) sulfate hydrolyzes in water forming a basic sulfate HgSO4•2HgO. It forms double sulfates with alkali metal sulfates, such as K2SO4•3HgSO4•2H2O.
  • Chemical Properties White crystals or powder. Mercuric sulphate decomposes on contact with water into yellow insoluble basic sulphate and sulphuric acid. The products of decomposition of mercuric sulphate include oxides of sulphur and oxides of mercury. Mercuric sulphate is incompatible with acetylene, ammonia, and strong acids and corrosive to iron, magnesium, aluminium, zinc, lead, and copper.
  • Chemical Properties Mercuric sulfate is a white, odorless, crystalline solid
  • Uses Electrolyte for primary batteries; with NaCl for extracting gold and silver from roasted pyrites; as a reagent for wine coloring, barbital, and cystine.
  • General Description Odorless white granules or crystalline powder. Denser than water. MERCURY(II) SULFATE is toxic by inhalation and by ingestion. MERCURY(II) SULFATE is used in medicine, for gold and silver extraction, and to make other mercury compounds.
  • Air & Water Reactions Decomposed by water to yellow mercuric subsulfate and sulfuric acid, which is corrosive.
  • Reactivity Profile The absorption of gaseous hydrogen chloride on MERCURY(II) SULFATE becomes violent at 125° C [Mellor 2, Supp. 1:462. 1956].
  • Hazard Highly toxic by ingestion, inhalation, and skin absorption.
  • Health Hazard INHALATION: Acute poisoning: Tightness in chest, breathing difficulty, coughing, and pain. EYES: Ulceration of conjunctiva and cornea. SKIN: Irritation; may cause sensitization dermatitis. INGESTION: Necrosis, pain, vomiting, severe purging. Patient may die within a few hours from peripheral vascular collapse.
  • Fire Hazard Special Hazards of Combustion Products: None
  • Safety Profile Poison by ingestion and intraperitoneal routes. Moderately toxic by skin contact. When heated to decomposition it emits very toxic fumes of Hg and SOx. See also MERCURY COMPOUNDS.
  • Potential Exposure Mercuric sulfate is used in making other chemicals; as a battery electrolyte and in extracting gold and silver from rock
  • Shipping UN1645 Mercury sulfates, Hazard Class: 6.1; Labels: 6.1-Poisonous materials
  • Incompatibilities Contact with water produces sulfuric acide and insoluble basic mercuric subsulfate. Reacts with acids producing mercury vapors. Violent reaction with gaseous hydrogen chloride above 121C. Decomposes in heat or on exposure to light, producing toxic fumes of mercury and sulfur oxides. Attacks magnesium, aluminum, zinc, iron, lead, copper.
MERCURY(II) SULFATE Preparation Products And Raw materials
Raw materials
Preparation Products
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  • 7783-35-9