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Calcium Chloride CAS 10043-52-4

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  • Appearance: White powder
  • Assay: 99. 0%min
  • Stock: In stock
  • Sample: Available
  • Zhishang Chemical: Calcium Chloride Supplier & Manufacturer

Basic Info

What is Calcium Chloride?

Calcium chloride is mainly divided into liquid calcium chloride and solid calcium chloride from the appearance. Liquid calcium chloride is the aqueous solution of calcium chloride, and the general calcium chloride content is 27~42%. If the calcium chloride content is too high, it will It causes the solution to be too viscous, and the solution solidifies when the temperature is lowered, and there are problems such as transportation, unloading, and difficulty in use.

Solid calcium chloride can be divided into three types: flake, spherical and powder, and its composition is calcium chloride dihydrate or anhydrous calcium chloride. The calcium chloride content in calcium chloride dihydrate is generally 72~78%, and the calcium chloride content in anhydrous calcium chloride is greater than 90% or 94% (mainly spherical calcium). Generally speaking, the production process of spherical calcium is relatively cumbersome, the process stability is not high, the operating parameters are strict, and the production energy consumption is slightly higher, but its products have beautiful appearance, good fluidity, no dust, no agglomeration, and are not easy to absorb moisture. and other advantages, so the sales price of spherical calcium calcium chloride is higher than that of flake or powder calcium chloride. It is mainly used as a desiccant for household use and exported as a snow and ice melting agent.

According to the grade, calcium chloride can be divided into industrial grade calcium chloride and food grade calcium chloride. Compared with industrial-grade calcium chloride, food-grade calcium chloride has stricter production control requirements and higher product purity, and indicators such as product color, heavy metal (lead, arsenic) and fluorine content have been added to the national standard. Food-grade calcium chloride can be used as a stabilizer, coagulant, thickener, nutritional enhancer, desiccant, etc., and its application range includes soybean products, cream, soft drinks, sweet sauce, jam, prepared water and food industry Use processing aids.

Calcium Chloride Uses

  1. Used as a multi-purpose desiccant, such as for the drying of nitrogen, oxygen, hydrogen, hydrogen chloride, sulfur dioxide and other gases. Used as a dehydrating agent in the production of alcohols, esters, ethers and resins. Calcium chloride aqueous solution is an important refrigerant for refrigerators and ice-making. It can accelerate the hardening of concrete and increase the cold resistance of building mortar. It is an excellent building antifreeze. It is used as antifogging agent and road dust collecting agent in ports, and fabric fireproofing agent. Used as a protective agent and refining agent for aluminum-magnesium metallurgy. It is a precipitating agent for the production of lake pigments. Used for deinking of waste paper processing. It is the raw material for the production of calcium salts.
  2. Chelating agent; curing agent; calcium enhancer; refrigerant for freezing; desiccant; anticaking agent; antimicrobial agent; pickling agent; tissue improver.
  3. Used as a desiccant, road dust collector, defogger, fabric fire retardant, food preservative and for the manufacture of calcium salt.
  4. Used as lubricating oil additive.
  5. Used as analytical reagent.
  6. It is mainly used to treat exudative edema, intestinal and ureteral colic, and magnesium poisoning caused by decreased blood calcium.
  7. It is used as a calcium fortifier, curing agent, chelating agent and desiccant in the food industry.
  8. The desiccant that can increase the permeability of the bacterial cell wall Granular anhydrous calcium chloride is often used as a desiccant to fill the drying tube, and the macroalgae (or seaweed ash) dried with calcium chloride can be used for the production of soda ash and deicing Calcium chloride can lower the freezing point of water, and spreading calcium chloride hydrate on the road can prevent freezing and deicing and melting snow, but the salt water after melting ice and snow will damage the soil and vegetation along the road and deteriorate the road concrete.

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Application of Calcium Chloride

Calcium chloride is composed of chlorine and calcium and has the chemical formula CaCl2. It is a typical ionic halide, a white solid at room temperature, and its aqueous solution is neutral. Calcium chloride and its hydrates and solutions have important application values in food manufacturing, building materials, medicine and biology.

Preparation of Calcium Chloride

  • Calcium chloride dihydrate (dehydration method) method
    The edible calcium chloride dihydrate is dried and dehydrated at 200-300°C to obtain the finished product of edible anhydrous calcium chloride. Its chemical reaction equation: CaCl2·2H2O–[260°C]→CaCl2+2H2O For neutral calcium chloride solution, spray drying tower can be used to spray dry and dehydrate under 300°C hot air flow to obtain anhydrous calcium chloride powder finished product.
  • Spray drying dehydration method
    The refined neutral calcium chloride solution that has been removed from the arsenic and heavy metals is sprayed into a mist form from the top of the spray drying tower through a nozzle, and is countercurrently contacted with a 300°C hot air flow to achieve drying and dehydration to obtain powdered anhydrous calcium chloride. Edible anhydrous calcium chloride finished product.
  • Mother liquor method
    It is obtained by adding milk of lime to the mother liquor of soda ash by ammonia-alkali method, which is evaporated, concentrated, cooled and solidified. Double decomposition method: It is obtained by the action of calcium carbonate (limestone) and hydrochloric acid.
    Chemical reaction equation: CaCO3+2HCl=CaCl2+H2O+CO2↑.
    After the above steps are completed, heat to 260 degrees Celsius, evaporate and dehydrate.
  • Refining method
    The by-products in the production of sodium hypochlorite are refined. Refined as a by-product of the Solvay process for the production of sodium carbonate.
    (Ca(OH)2+2NH4Cl→CaCl2+2NH3+2H2O)

Reference

  1. Calcium chloride – WikiPedia
  2. “Calcium chloride (anhydrous)”ICSC. International Programme on Chemical Safety and the European Commission.

Calcium Chloride Suppliers and Manufacturers

As a calcium chloride supplier and manufacturer with a strict standard product quality system certificate, Zhishang Chemical has long been providing the best calcium chloride raw materials to customers all over the world.

Over the years, relying on professional team experience and customer-centric team concept to meet customer needs in a timely manner, our company enjoys a high reputation in the world. At present, our company has served more than 6,000 customers and has established long-term cooperative relations with customers from many countries.

If you have a demand for calcium chloride and related products, please contact our service staff Zhishang Chemical – White directly, and we will provide you with high-quality products at the best price.

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