About Calcium Chloride

Calcium Chloride is an inorganic compound with the chemical formula CaCl₂. It is a white, crystalline solid that is highly soluble in water and hygroscopic, meaning it readily absorbs moisture from the air. Calcium Chloride is commonly available in several forms, including flakes, pellets, granules, and concentrated liquid solutions. It is produced through the reaction of hydrochloric acid with limestone (calcium carbonate) or as a by-product in the Solvay process during soda ash production. Its ability to attract and retain water makes it an important compound across many industrial and commercial applications.

Because of its versatility and reactivity, Calcium Chloride is widely used in de-icing, dust control, concrete acceleration, refrigeration, and food processing. It serves both as a functional chemical and as a performance additive in products designed to manage moisture, stabilise structures, or control environmental conditions. Its reliability and ease of use have made it a valuable material across industries ranging from construction and agriculture to food and pharmaceuticals.

Calcium Chloride Uses

De-icing and Dust Control

Calcium Chloride is one of the most effective de-icing agents used on roads, pavements, and walkways. Its ability to lower the freezing point of water allows it to rapidly melt ice and snow, even at sub-zero temperatures. It also serves as an excellent dust suppressant on unpaved roads, reducing airborne particles by binding fine dust and retaining surface moisture for longer periods than water alone.

Construction and Concrete Acceleration

In the construction industry, Calcium Chloride is commonly used as a concrete accelerator. It speeds up the hydration of cement, allowing faster setting times and early strength development—especially beneficial in cold weather conditions. It also improves the workability and durability of concrete mixtures, contributing to more efficient construction cycles.

Food and Beverage Industry

In food processing, Calcium Chloride functions as a firming agent, preservative, and electrolyte. It is used in products such as cheese, canned vegetables, and pickles to maintain texture and improve shelf stability. In the beverage industry, it helps adjust mineral balance in brewing and water treatment to optimise flavour and consistency.

Water Treatment and Industrial Applications

Calcium Chloride is widely applied in water treatment for hardness adjustment, brine formulation, and desiccation processes. It serves as a drying agent in laboratories and industrial operations and is used in oil and gas drilling fluids to stabilise clay and control wellbore pressures. Its hygroscopic properties also make it useful in air dehumidification and refrigeration brines.

Agriculture and Horticulture

In agriculture, Calcium Chloride helps prevent calcium deficiencies in crops such as apples, tomatoes, and potatoes, improving firmness and shelf life. It can also be used to improve soil structure and reduce salinity stress, supporting healthy plant growth and yield in demanding environmental conditions.

Calcium Chloride Supplier Australia, USA & More!

Redox are trusted, authorised suppliers of Calcium Chloride. With distribution centres worldwide, we can supply to Australia, USA, UK, NZ, Europe, Asia and more. Get in touch with our expert team, who can help you order the right product, form and amount for your needs.