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[Introduce]:

Name    CALCIUM CHLORIDE
Product Identification Synonyms: calcium dichloride; calcium chloride anhydrous; Caltac(R); Dowflake
CAS No.: 10043-52-4
Molecular Weight: 110.98
Product Codes:J.T. Baker: 1311
Mallinckrodt: 0771, 3266, 3630, 4225, 4748, 4777, 4822, 4870, 4875, 4880
Product  sort inorganic compound
Chemical Formula   CaCl2
be used for and in
  • Ice and Snow Melters
  • Production of Calcium Salts
  • Cold-weather concrete additive
  • Soil solidification
  • Tractor Tire weighting
  • Direct drying compound
  • Shoulder and base stabilization
  • Dust proofing and freeze-resisting ore and coal
  • Increases web strength of corrugating media
  • Improves dye retention
  • An additive to oil well completion fluids
  • Cementing finished oil wells
  • rilling mud additive and drying petroleum fractions
  • CAS No.    10043-52-4
    Potential Health Effects Inhalation:
    Granular material does not pose a significant inhalation hazard, but inhalation of dust may cause irritation to the respiratory tract, with symptoms of coughing and shortness of breath.
    Ingestion:
    Low toxicity material but ingestion may cause serious irritation of the mucous membrane due to heat of hydrolysis. Large amounts can cause gastrointestinal upset, vomiting, abdominal pain.
    Skin Contact:
    Solid may cause mild irritation on dry skin; strong solutions or solid in contact with moist skin may cause severe irritation, even burns.
    Eye Contact:
    Hazard may be either mechanical abrasion or, more serious, burns from heat of hydrolysis and chloride irritation.
    Chronic Exposure:
    No information found.
    Aggravation of Pre-existing Conditions:
    No information found.
    Handling and Storage Keep in a tightly closed container, stored in a cool, dry, ventilated area. Protect against physical damage. Moist calcium chloride and concentrated solutions can corrode steel. When exposed to the atmosphere, calcium chloride will absorb water and form a solution. Containers of this material may be hazardous when empty since they retain product residues (dust, solids); observe all warnings and precautions listed for the product.
    Physical and Chemical Properties Appearance:White or gray-white granules.
    Odor:Odorless.
    Solubility:Freely soluble in water, exothermic.
    Density:2.15
    PH:8 - 9 Aqueous solution
    % Volatiles by volume @ 21C (70F):0
    Boiling Point:> 1600C (> 2912F)
    Melting Point:772C (1422F)
    Vapor Density (Air=1):No information found.
    Vapor Pressure (mm Hg):No information found.
    Evaporation Rate (BuAc=1):No information found.
    Environmental Information Calcium chloride dissociates easily in water to form Ca and Cl ions. Calcium is essential for the formation of skeletons, neural transmission, muscle contraction, coagulation of the blood, and algae and higher plant growth. Chloride ions are also required for normal cellular operations in animals and humans, and serve as a micronutrient for plants, playing important roles in photosynthesis and osmoregulation.16 Calcium chloride is considered to be practically non-toxic to aquatic organisms17 and bioaccumulation is unlikely.18
    Manufacture of Product
  • Capacity – The Dow Chemical Company has a calcium chloride manufacturing facility in Ludington, Michigan, which accounts for roughly 35% of the total U.S. capacity for calcium chloride. 8 North American demand in 2002 was 1,687,000 tons (3.7 billion pounds).9
  • Process – Dow produces its calcium chloride products using brine that contains calcium chloride, sodium chloride and potassium chloride. The brine is treated with calcium oxide (CaO) obtained from limestone (CaCO3) by heating. Water is boiled off to form a solution of the desired concentration in water. Solid products in the form of flakes, pellets or mini-pellets are produced by further drying of the solution to varying degrees.
  • First Aid Measures Inhalation:Remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical attention.
    Ingestion:Induce vomiting immediately as directed by medical personnel. Never give anything by mouth to an unconscious person. Get medical attention.
    Skin Contact:Wipe off excess material from skin then immediately flush skin with plenty of water for at least 15 minutes. Remove contaminated clothing and shoes. Get medical attention. Wash clothing before reuse. Thoroughly clean shoes before reuse.
    Eye Contact:Immediately flush eyes with plenty of water for at least 15 minutes, lifting lower and upper eyelids occasionally. Get medical attention immediately.
    Note to Physician:
    Oral ingestion may cause serum acidosis.
    Stability and Reactivity Stability:Stable under ordinary conditions of use and storage. Substance will pick up moisture from the air and go into solution if exposed in open containers.
    Hazardous Decomposition Products:Emits toxic chlorine fumes when heated to decomposition. May form hydrogen chloride in presence of sulfuric or phosphoric acids or with water at elevated temperatures.
    Hazardous Polymerization:Will not occur.
    Incompatibilities:Methyl vinyl ether, water, zinc, bromine trifluoride, mixtures of lime and boric acid, barium chloride, and 2-furan percarboxylic acid. Metals will slowly corrode in aqueous calcium chloride solutions. Aluminum (and alloys) and yellow brass will be attacked by calcium chloride.
    Conditions to Avoid:Incompatibles.

    visitor:806  Record time:2007-4-12 【Print page】 【Back
     
     




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