Nov 14, 2024

The Many Surprising Uses For Anhydrous Calcium Chloride

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We are an anhydrous calcium chloride supplier in China, providing high quality anhydrous calcium chloride to many countries. According to the feedback of our customers, anhydrous calcium chloride are widely used in many fields. It is not only the first choice of desiccant in the industry, but also has a wide range of applications in the food industry, construction industry and other fields. In this article, we will discuss the application of anhydrous calcium chloride.

 

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What's Anhydrous Calcium Chloride

 

Anhydrous calcium chloride, is a white crystalline solid with the chemical formula CaCl2 and has a strong hygroscopic property. Anhydrous calcium chloride is usually produced by reacting limestone with hydrochloric acid. This reaction will produce calcium chloride, water and carbon dioxide. By evaporating the water, anhydrous calcium chloride is obtained.

 

The Application of Anhydrous Calcium Chloride

 

desiccant

 

Anhydrous calcium chloride is widely used as desiccant. Because of its high water absorption capacity, anhydrous calcium chloride has become the first choice for drying gas and organic solvent. In laboratory and industrial production processes, it can effectively dry nitrogen, oxygen, hydrogen, sulfur dioxide and other gases (except ammonia), so as to keep instruments and products dry. At the same time, anhydrous calcium chloride can also be used to dry petroleum, alcohol, ether and other organic solvents.

 

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de-icing agent

 

Anhydrous calcium chloride can also be used as de-icing agent. In winter, anhydrous calcium chloride solution can reduce the freezing point of water and is used for snow removal on roads, highways, airports and other places. At low temperatures, anhydrous calcium chloride is more effective than sodium chloride.

 

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road surfaces

 

In addition, anhydrous calcium chloride is also widely used in road surfaces. When the anhydrous calcium chloride is sprinkled on the gravel pavement, it can condense the moisture in the air to keep the road surface wet, thus inhibiting the formation of dust.

 

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construction industry

 

In the construction industry, anhydrous calcium chloride also plays an important role. Anhydrous calcium chloride can accelerate the hardening process of concrete and increase the cold resistance of building mortar, so it can be used as a building antifreeze.

 

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Swimming Pool Maintenance

 

In swimming pool maintenance, anhydrous calcium chloride can be used to improve the calcium hardness in the pool water. If you want to know about calcium hardness, please refer to: How to Balance Calcium Hardness in a Pool

 

Food Industry


In the food industry, anhydrous calcium chloride can be used as calcium fortification agent, firming agent, chelating agent and desiccant, such as a firming agent for cans and soybean products.

 

Medical Applications


Anhydrous calcium chloride also has medical applications. Calcium chloride infusion can be used as an intravenous therapy to prevent hypocalcemia.

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It should be noted that anhydrous calcium chloride has strong hygroscopic properties and can absorb the moisture of the surrounding environment, so when using and storing, it is necessary to pay attention to moisture resistance and keep the container closed. At the same time, it is irritant, please remember to avoid direct contact with the skin.


Anhydrous calcium chloride, with its unique and excellent characteristics, has become an indispensable part of industrial production and daily life. We are a reliable supplier of anhydrous calcium chloride in China. If you have some needs, please feel free to contact us.

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