Calcium Chloride Dihydrate (CAS: 10035-04-8) is more than just a common chemical; it's a compound with fascinating scientific properties that translate into significant practical benefits across numerous sectors. Understanding these properties is crucial for R&D scientists, product formulators, and anyone looking to leverage its capabilities effectively. As a dedicated manufacturer and supplier, we provide this essential chemical to facilitate innovation and efficiency for our clients.

Understanding the Chemical Nature of Calcium Chloride Dihydrate:

At its core, Calcium Chloride Dihydrate is an inorganic salt with the chemical formula CaCl₂·2H₂O. It appears as white, crystalline flakes or granules. Its defining characteristic is its remarkable solubility in water, accompanied by a significant release of heat – an exothermic process. This property is key to many of its applications.

Key Properties and Their Industrial Significance:

  • Hygroscopicity and Deliquescence: Calcium Chloride Dihydrate has a strong affinity for water molecules. It readily absorbs moisture from the surrounding air, a property known as hygroscopicity. If exposed to humid air for extended periods, it can absorb enough moisture to dissolve itself, a phenomenon called deliquescence. This makes it an exceptionally effective drying agent (desiccant) in applications where moisture removal is critical, such as in drying industrial gases or protecting sensitive materials from humidity.
  • Freezing Point Depression: When dissolved in water, Calcium Chloride Dihydrate significantly lowers the freezing point of the solution. This is why it is a preferred choice for de-icing roads, sidewalks, and runways. It can keep surfaces ice-free at temperatures far below what common salt (sodium chloride) can achieve, ensuring safety and operational continuity during winter. For those looking to buy in bulk for seasonal needs, understanding this property is essential for effective application.
  • Exothermic Dissolution: The process of Calcium Chloride Dihydrate dissolving in water releases a substantial amount of heat. This exothermic reaction is harnessed in applications like self-heating meals and hand warmers. In road treatment, the initial heat generated helps to break down ice and snow more rapidly.
  • Ionic Nature and Water Hardness: In aqueous solutions, Calcium Chloride Dihydrate dissociates into calcium ions (Ca²⁺) and chloride ions (Cl⁻). These calcium ions are responsible for increasing water hardness. This property is utilized in swimming pools to help prevent corrosion of concrete surfaces and maintain a stable pH. In the food industry, these calcium ions play a vital role as a firming agent by interacting with pectin in plant cell walls.
  • Chemical Reactivity: While relatively stable, it can participate in various chemical reactions. Its ability to provide calcium ions is leveraged in processes such as the production of certain gels and in preventing milk coagulation.

Benefits for B2B Customers:

For procurement managers and researchers, the benefits of using Calcium Chloride Dihydrate sourced from a reliable manufacturer are clear:

  • Cost-Effectiveness: When purchased in bulk from a competitive supplier, it offers an economical solution for a wide range of applications. The price per unit makes it an attractive choice for high-volume needs.
  • Performance: Its unique properties ensure superior performance in de-icing, drying, and food processing compared to many alternatives.
  • Versatility: A single chemical can address multiple needs, simplifying inventory and procurement processes.

As a leading supplier of Calcium Chloride Dihydrate, we are committed to providing high-quality products that meet stringent specifications. Whether you are developing new formulations or scaling up existing processes, our reliable supply chain and competitive pricing ensure you have the essential chemical you need. Explore the scientific advantages and discover why Calcium Chloride Dihydrate remains a cornerstone in industrial chemistry. Contact us to learn more about how you can purchase this versatile compound.