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Understanding the Basics: What is Calcium Chloride? 

Calcium chloride is an inorganic compound, a salt with the chemical formula CaCl 2. It exists in several forms, including:

  • Anhydrous Calcium Chloride (CaCl2): A dry, highly hygroscopic (water-absorbing) form.

  • Calcium chloride dihydrate (CaCl2·2H2O): This form contains two water molecules bound to each Calcium Chloride molecule.

In its pure form, Calcium Chloride, also known as calcium dichloride, or simply calcium salt, is a white, odorless, crystalline solid. It's incredibly soluble in water and releases heat as it dissolves (an exothermic reaction). 

This inorganic salt, however, isn't just another salt on the shelf. Let’s think of it as a workhorse compound that finds applications in various industries and everyday life, from keeping roads clear during icy winters (hence the moniker ice melt salt) to enhancing food quality and agricultural productivity, and to enhancing concrete strength and controlling dust in mines. 

Calcium Chloride comes in many shapes and grades based on its intended application. While its chemical formula is straightforward (CaCl2), its uses are extensive. If you're curious about the nitty-gritty molecular details, the Calcium Chloride Wikipedia page has you covered.  For now, let's explore the practical side of things and why TEAMChem is your ideal partner for securing the perfect Calcium Chloride solution.

Exploring the Building Blocks: Calcium Chloride Chemistry

  • Calcium Chloride Formula: CaCl2

  • Calcium Chloride Formula Name: Calcium Chloride

  • Calcium Chloride Formula Mass: 

  • Anhydrous CaCl2: 110.98 g/mol

  • CaCl2 dihydrate: 147.01 g/mol

  • Solubility in Water: Highly Soluble (74.5 g/100 mL at 20°C)

  • Melting Point: 772°C (1422°F)

  • Boiling Point: 1597°C (2907°F)

Calcium Chloride Infographic

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Calcium Chloride, with its simple yet powerful formula, has a unique ionic structure. Each calcium ion (Ca2+) is attracted to and tightly bound by two chloride ions (Cl-), forming a stable crystal lattice. This structure underpins its remarkable properties, including high solubility in water due to the strong interaction between the ionic charges and water molecules. Its incredibly solubility allows it to easily react with other compounds, such as sodium carbonate, to form new substances.

How is Calcium Chloride Made?

Calcium Chloride is produced through two primary methods: 

  1. Extraction from Natural Brines: Many natural brines are rich in Calcium Chloride. Evaporation and concentration techniques allow for the extraction and purification of the compound.

  2. As a Byproduct of Soda Ash Production: The Solvay process for soda ash (sodium carbonate) production yields Calcium Chloride as a byproduct. including the Solvay process and the metathesis reaction. 

Unlocking the Potential: The Many Uses of Calcium Chloride

As previously mentioned, Calcium Chloride's versatility which stems from its unique properties has made it a valuable tool across various industries and everyday settings. Now, let's explore some of its more common applications:

Calcium Chloride Uses in Industry

Calcium Chloride Uses in Industry

Calcium Chloride Uses in Industry

  • De-icing: As a potent ice melter, Calcium Chloride, aka ice melt salt, lowers the freezing point of water, melting ice and snow on roads, walkways, and parking lots thus ensuring safe and accessible roads during winter months. Products like Dowflake® Calcium Chloride are specifically designed for efficient deicing applications. 

  • Dust Control: In construction, mining, and industrial settings, Calcium Chloride effectively absorbs moisture and suppresses dust, improving air quality and safety. This is particularly relevant in environments where dust poses health hazards or hinders visibility.

  • Oil & Gas Drilling: In drilling operations, Calcium Chloride serves as a weighting agent for drilling mud and helps regulate well pressure, ensure wellbore stability and contribute to efficient drilling processes and enhanced resource extraction.

  • Concrete Curing: Adding Calcium Chloride accelerates the setting and hardening of concrete, especially in cold weather, allowing for faster construction progress. This can be crucial for time-sensitive projects or in regions with harsh winters.

  • Paper & Pulp Production: As a coagulant and deinking agent, Calcium Chloride improves paper quality and facilitates efficient paper recycling, contributing to environmental sustainability.

  • Metalworking: Diluted Calcium Chloride solutions are used in metal cleaning and pickling before welding, painting, or other treatments. By removing contaminants and oxides, it promotes better adhesion and ensures the effectiveness of subsequent processes.

  • Wastewater Treatment: Calcium Chloride removes phosphorus from wastewater. This process helps limit excessive algae growth (eutrophication) in receiving waterways, which can threaten aquatic life. Calcium Chloride can also assist in removing fluorides, heavy metals, and oily wastes from wastewater streams. It often works in conjunction with other treatment chemicals and processes.

  • Refrigeration Brines: Calcium Chloride helps create brines that remain liquid at temperatures far below the normal freezing point of water (0°C/32°F). These brines are essential for certain refrigeration applications.

  • Types of Refrigeration Systems: Calcium Chloride brines find use in various systems, including ice rinks, food processing facilities, and industrial refrigeration setups.

  • Chemical Processing: Calcium Chloride finds use in various chemical reactions, acting as a desiccant, drying agent, chloride source, precipitant and coagulant. In some high-temperature processes, Calcium Chloride lowers the melting point of other materials, acting as a flux.This promotes easier melting and processing, reducing energy consumption.

Calcium Chloride Uses in Medicine

Calcium Chloride Uses in Medicine

Calcium Chloride Uses in Medicine

  • Electrolyte Replenishment: As a component of intravenous solutions, Calcium Chloride helps regulate calcium and electrolyte levels in patients who are experiencing imbalances due to dehydration, illness, or other medical conditions. 

  • Dialysis Therapy: For individuals with kidney failure, Calcium Chloride plays a life-saving role in dialysis fluids. It acts as a chelating agent, efficiently removing toxic waste products and excess fluids from the bloodstream, mimicking the natural function of healthy kidneys.

  • Wound Care: Its desiccating properties (absorbing moisture) aid in wound healing. By gently drying wounds and creating a less hospitable environment for bacteria, it can promote healing and prevent infection.

  • Antidote for Magnesium Toxicity: Can be used to counteract the effects of magnesium overdose.

  • Cardiovascular Support: It plays a role in cardiac function and may be administered in certain emergency situations.

Calcium Chloride Uses in Food

  • Firming Agent: Food manufacturers frequently utilize Calcium Chloride as a texture enhancer. Adding it to canned fruits and vegetables helps maintain their firmness and prevent softening, thereby reducing food waste and extending the shelf life of these products.

  • Pickling Agent: Calcium Chloride contributes to the characteristic flavor and texture of pickles, olives, and other brined foods and enhances their palatability. 

  • Cheese Production: Essential in the coagulation of milk during cheesemaking.

  • Nutritional Supplement: In certain food products, like tofu, it serves as a source of calcium, contributing to the nutritional value of the food and addressing potential dietary deficiencies.

Calcium Chloride Uses in Plants and Agriculture

Calcium Chloride improves soil’s structure and water-holding capacity. It helps plants better absorb nutrients leading to increased crop yields and improved soil health. It’s other applications include:

  • Calcium Supplementation: Provides plants with essential calcium for cell growth and other processes.

  • Disease Prevention: Helps reduce the incidence of certain plant diseases caused by calcium deficiency.

  • Fruit and Vegetable Quality: Improves firmness, shelf-life, and overall quality.

  • Defrosting: In regions prone to frost damage, spraying diluted Calcium Chloride solutions on crops could raise their freezing point and protect delicate buds and fruits during cold spells.

Calcium Chloride Uses at Home

  • Dehumidification: Calcium Chloride absorbs moisture from the air, helping control humidity levels.

  • Ice Melting: It can be used as a de-icer for sidewalks and driveways (consider pet-friendly alternatives). By the way, I’m a cat person, in case you need someone to share funny cat videos with.

  • Dust Control: Calcium Chloride is used to suppress dust on driveways and other areas.

Calcium Chloride Uses in Everyday Life

  • Swimming Pool Maintenance: Adjusts water hardness and pH levels.

  • Aquarium Care: Provides essential calcium for corals and other marine organisms.

  • Food Preservation: Used in home canning and preserving.

  • Home & Garden: Diluted Calcium Chloride solutions can be used to control weeds in driveways and gravel paths. However, It can also harm surrounding vegetation and pollute groundwater if not used properly. 

Explaining the Grades and Forms: Beyond Flakes and Pellets 

Calcium Chloride comes in a variety of grades and types to cater to diverse applications. The grades represent the percentage of pure Calcium Chloride present in the product. The remaining percentage typically comprises water and other trace impurities. Here's a breakdown of the more common categories:

  • Calcium Chloride Anhydrous: This is the purest form, containing 100% CaCl2. Highly hygroscopic (absorbs moisture readily), it's used in desiccants and drying applications but requires careful handling due to its reactivity.

  • Calcium Chloride 78% (CaCl2 78%): Available in flakes and prills, this cost-effective grade is ideal for deicing, dust control, and concrete applications. Popular choices include Dowflake® Calcium Chloride for efficient ice melting and Peladow® Calcium Chloride Pellets for effective dust suppression.

  • Calcium Chloride 94% (CaCl2 94%): Offered in pellets and prills, this high-purity grade caters to demanding industrial applications like oil & gas drilling and chemical processing.

Calcium Chloride also comes in other concentrations (77%, 80% and 90%), as well as in the form of Calcium Chloride brine. The brine also comes in varying concentrations (20% to 32%) to be used in oil and gas drilling, refrigeration brines, and dust suppression on unpaved roads. 

Besides pellets and flakes, Calcium Chloride also comes in prilled and spherical forms. Prilled Calcium Chloride, similar to pellets but smaller and rounder, offers improved flowability and dust control, making it ideal for applications requiring reduced dust. Additionally, spherical Calcium Chloride features dust-free, rounded beads used in sensitive applications like food and pharmaceuticals due to their high purity and ease of handling.

Safety First: Handling and Storage Considerations

Calcium Chloride is generally considered safe when handled appropriately. However, it can cause skin and eye irritation if it comes into direct contact. Large doses of Calcium Chloride can cause stomach issues (of course it does. Large doses of everything cause issues!) Therefore it's crucial to handle and store it responsibly to ensure safety. Here are some key points to remember:

  • Always wear appropriate personal protective equipment (PPE) when handling Calcium Chloride, including gloves, eye protection, and respiratory protection if necessary.

  • Store Calcium Chloride in a cool, dry place away from heat sources and incompatible materials.

  • Avoid contact with skin and eyes, and do not ingest Calcium Chloride.

  • Dispose of used CalciumChloride responsibly according to local regulations.

Always wear protective gear when handling Calcium Chloride and refer to the Safety Data Sheet (SDS) for specific precautions.

Where To Buy Calcium Chloride

If you need to buy Calcium Chloride, TEAMChem is your trusted source. We offer Calcium Chloride in various forms and grades to suit your specific needs. We also provide competitive prices on bulk Calcium Chloride orders.


There are countless Calcium Chloride suppliers worldwide, offering choices for buyers in various locations. So make sure to check some boxes before picking a trusted seller among a frenzy of Calcium Chloride suppliers. Always look for companies that:

  • Offer High-quality Products: Ensure you get top-grade Calcium Chloride suitable for your purpose.

  • Provide a Range of Forms and Grades: Choose a supplier that offers various options.

  • Have Competitive Pricing: Look for the best value Calcium Chloride price.

  • Prioritize Safety: Reputable suppliers should provide a Safety Data Sheet (SDS) and have a commitment to safe handling.

  • Offer Excellent Customer Service: Responsive and helpful customer support is crucial.

TEAM Chemicals: Your Trusted Calcium Chloride Supplier in Iran

When it comes to sourcing high-quality Calcium Chloride, TEAMChem stands out as a trusted supplier. We offer various grades and forms to meet your specific needs, ensuring consistent quality and performance. Whether you require Calcium Chloride for industrial processes, deicing operations, or agricultural applications, we have the expertise and commitment to deliver the right solution. At TEAMChem, we understand the critical role Calcium Chloride plays in diverse industries. We offer:

  • Extensive Product Range: Choose from various grades and forms, including flakes, prills, pellets, and liquids, to meet your specific application requirements.

  • Unwavering Quality: We source and supply high-quality Calcium Chloride that meets stringent industry standards,ensuring consistent performance and safety.

  • Competitive Pricing: We offer competitive prices without compromising on quality, providing you with cost-effective solutions.

  • Reliable Delivery: We prioritize timely deliveries, ensuring your Calcium Chloride reaches you promptly and efficiently.

  • Expert Support: Our knowledgeable team is readily available to answer your questions, provide technical guidance, and recommend the perfect Calcium Chloride solution for your application.

Contact TEAMChem today to discuss your Calcium Chloride needs and feel the difference! Whether you're a seasoned industrial user or seeking solutions for deicing your driveway, TEAMChem is your trusted partner for high-quality Calcium Chloride. Contact us today to discuss your specific needs and explore how our products and expertise can add value to your operations. Our team is eager to assist you in finding the perfect Calcium Chloride solution for your unique requirements.

By partnering with TEAMChem, you can be confident you're securing the highest quality Calcium Chloride solutions, backed by exceptional service and expertise.