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Mercury chloride

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Mercury chloride Basic information
Mercury chloride Chemical Properties
  • Melting point:277 °C(lit.)
  • Boiling point:302 °C
  • Density 5.44
  • vapor pressure 1.3 mm Hg ( 236 °C)
  • refractive index 1.859
  • Flash point:302°C
  • storage temp. Store at RT.
  • solubility H2O: soluble
  • form powder
  • color White
  • Specific Gravity5.44
  • Water Solubility 7.4 g/100 mL (20 ºC)
  • Merck 14,5876
  • Stability:Stability Stable, but moisture sensitive and light sensitive - decomposes in sunlight. Incompatible with strong acids, ammonia, carbonates, metallic salts, alkalies, phosphites, phosphates, sulfites, sulfates, arsenic, antimony, bromides.
  • CAS DataBase Reference7487-94-7(CAS DataBase Reference)
  • NIST Chemistry ReferenceMercury dichloride(7487-94-7)
  • EPA Substance Registry SystemMercuric chloride (7487-94-7)
Safety Information
Mercury chloride Usage And Synthesis
  • Chemical PropertiesMercuric chloride,HgC12, is white crystals that are soluble in water and alcohol that melt at 276℃ and boil at 302℃. Highly toxic and corrosive, it is used in the manufacture of mercury compounds, in organic synthesis, as a reagent and catalyst, as a fungicide, insecticide, and wood preservative, and for many other purposes.
  • Chemical PropertiesMercury bichloride is an odorless white crystalline solid.
  • UsesMercuric chloride is used in tanning leather; intensifier in photography; topical antiseptic and disinfectant.
  • UsesPreserving (kyanizing) wood and anatomical specimens; also embalming; disinfecting; browning and etching steel and iron; intensifier in photography; white reserve in fabric printing; tanning leather; electroplating aluminum; depolarizer for dry batteries; freeing gold from lead; magic photograms; mordant for rabbit and beaver furs; staining wood and vegetable ivory pink; manufacture of ink for mercurography; treating seed potatoes; manufacture of other mercury Compounds. As an important reagent In animal chemistry.
  • DefinitionChEBI: A mercury coordination entity made up of linear triatomic molecules in which a mercury atom is bonded to two chlorines. Water-soluble, it is highly toxic. Once used in a wide variety of applications, including preserving wood and anatomical specimens, emba ming and disinfecting, as an intensifier in photography, as a mordant for rabbit and beaver furs, and freeing gold from lead, its use has markedly declined as less toxic alternatives have been developed.
  • General DescriptionAn odorless white crystalline solid. Density 5.4 g / cm3. Melting point 277°C. Slightly volatile at ordinary temperatures. Can be sublimed unchanged. Corrosive to the mucous membranes. Toxic by inhalation (dusts, etc.), ingestion, and skin absorption. Used in photography, disinfectants, wood preservatives, fungicides.
  • Air & Water ReactionsSlightly soluble in water.
  • Reactivity ProfileMercury chloride is decomposed by sunlight. Incompatible with formates sulfites, phpophosphites, phosphates, sulfides, albumin, gelatin, alkalis, alkaloid salts, ammonia, lime water, antimony, arsenic, bromides, borax, carbonates, reduced iron, iron, copper, lead and silver salts, infusions of cinchona, oak bark or senna, tannic acids and vegetable astringents. .
  • HazardToxic by ingestion, inhalation, and skin absorption; a poison.
  • Health HazardMercury chloride is classified as extremely toxic. All forms of mercury are poisonous if absorbed. Probable oral lethal dose is 5-50 mg/kg; between 7 drops and 1 teaspoonful for a 150 lb. person. Mercury chloride is one of the most toxic salts of mercury. Material attacks the gastrointestinal tract and renal systems.
  • Fire HazardMaterial may explode on heating, with friction, or contact with alkali metals, sulfides, acetylene, ammonia, and oxalic acid. Upon decomposition highly toxic chloride and mercury fumes are emitted. Avoid formates, sulfites, hypophosphites, phosphates, sulfides, albumin, gelatin, alkalies, alkaloid salts, ammonia, lime water, antimony, arsenic, bromides, borax, carbonates, reduced iron, copper, iron, lead, silver salts, infusions of cinchona, columbo, oak bark or senna, and tannic acid. Mercury chloride may explode with friction or application of heat. Mixtures of Mercury chloride and sodium or potassium are shock sensitive and will explode on impact. Avoid contact with acids or acid fumes.
  • Safety ProfileA human poison by ingestion. Poison experimentally by ingestion, skin contact, and subcutaneous routes. Human systemic effects by ingestion: respiratory obstruction, nausea or vomiting, urine volume decrease or anuria. Human reproductive effects by ingestion: terminates pregnancy. Experimental teratogenic and reproductive effects. Human mutation data reported. Questionable carcinogen. A severe eye and skin irritant. Reaction with sodmm aci-nitromethanide + acids forms the explosive mercury fulminate. Reacts violently with K, Na. When heated to decomposition it emits toxic fumes of Hg.
  • Potential ExposureMercuric chloride is used as dip for bulbs and tubers; for earthworm control; as repellent to ants, roaches, etc.; in preserving wood and anatomical specimens; embalming, browning, etching steel and iron; as a catalyst for organic synthesis; disinfectant, antiseptic, tanning; textile printing aid; manufacture of dyes; in agricultural chemicals; dry batteries; pharmaceuticals, and photographic chemicals
  • ShippingUN1624 Mercuric chloride, Hazard Class: 6.1; Labels: 6.1-Poisonous materials.
  • Purification MethodsIt is soluble in EtOH and is extracted into Et2O from an aqueous solution. It is very POISONOUS and 0.2-0.4g is fatal. The antidote is immediate administration of white of egg as an emetic.
  • IncompatibilitiesA strong reducing agent; keep away from oxidizers. Mercuric chloride may explode with friction or application on heat. Mixtures of mercuric chloride and sodium or potassium are shock sensitive and will explode on impact. Avoid contact with acids or acid fumes. Also avoid the presence of formats, sulfites, hypophosphites, phosphates, sulfide; albumin, gelatin, alkalies, alkaloid salts; ammonia, lime water; antimony, arsenic, bromides, borax, carbonates, reduced iron, copper; iron, lead, silver salts; infusions of cinchona; columbo, oak bark or senna; and tannic acid
Mercury chloride Preparation Products And Raw materials
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