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HS Code |
502858 |
| Chemical Name | Calcium Chloride Dihydrate |
| Chemical Formula | CaCl2 · 2H2O |
| Molecular Weight | 147.01 g/mol |
| Appearance | White crystalline solid |
| Solubility In Water | Very soluble |
| Melting Point | 176°C (decomposes) |
| Density | 1.85 g/cm3 |
| Odor | Odorless |
| Cas Number | 10035-04-8 |
| Ph Of 5 Percent Solution | 4.5 to 8.5 |
| Storage Conditions | Store in a tightly closed container, in a cool, dry place |
As an accredited Calcium Chloride Dihydrate factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
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Purity 99%: Calcium Chloride Dihydrate Purity 99% is used in concrete acceleration, where it enhances early strength development in cold weather conditions. Particle Size ≤2 mm: Calcium Chloride Dihydrate Particle Size ≤2 mm is used in dust control for unpaved roads, where it promotes rapid moisture absorption and dust suppression. Stability Temperature up to 40°C: Calcium Chloride Dihydrate Stability Temperature up to 40°C is used in refrigeration brines, where it maintains consistent cooling efficiency. Free Flowing Grade: Calcium Chloride Dihydrate Free Flowing Grade is used in food processing, where it facilitates easy handling and uniform distribution in pickling applications. Moisture Content ≤17%: Calcium Chloride Dihydrate Moisture Content ≤17% is used in desiccant packaging, where it ensures reliable moisture absorption and product preservation. Melting Point 176°C: Calcium Chloride Dihydrate Melting Point 176°C is used in ice melting compounds, where it delivers effective de-icing performance at low temperatures. Low Heavy Metal Content: Calcium Chloride Dihydrate Low Heavy Metal Content is used in pharmaceutical formulations, where it ensures compliance with stringent safety standards. Food Grade: Calcium Chloride Dihydrate Food Grade is used in beverage clarification, where it aids in coagulation and sediment removal for improved clarity. High Solubility: Calcium Chloride Dihydrate High Solubility is used in brine solution preparation, where it achieves rapid dissolution for industrial cooling systems. Fine Granular Form: Calcium Chloride Dihydrate Fine Granular Form is used in concrete admixtures, where it enables uniform mixing and distribution within cementitious systems. |
| Packing | White HDPE drum with blue lid, labeled "Calcium Chloride Dihydrate, 25 kg," including hazard symbols, batch number, and manufacturer. |
| Container Loading (20′ FCL) | 20′ FCL loads approximately 24 metric tons of Calcium Chloride Dihydrate, packed in 25kg bags, ensuring secure, moisture-proof transportation. |
| Shipping | Calcium Chloride Dihydrate is shipped in tightly sealed, moisture-proof containers such as plastic drums, polyethylene bags, or fiberboard boxes to prevent absorption of moisture. It is classified as non-hazardous, but should be handled with care to avoid contact with eyes and skin. Store in a cool, dry place during transit. |
| Storage | Calcium Chloride Dihydrate should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area. Protect it from moisture and incompatible substances, such as strong acids. Keep away from heat sources and direct sunlight. Ensure containers are clearly labeled, and store separately from food and drink. Regularly check for possible leaks or container damage. |
| Shelf Life | Calcium Chloride Dihydrate typically has a shelf life of 3-5 years when stored in a tightly sealed container under dry conditions. |
Competitive Calcium Chloride Dihydrate prices that fit your budget—flexible terms and customized quotes for every order.
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Working in chemical manufacturing teaches a lot about what customers need and what challenges the market faces. Calcium chloride dihydrate, by its direct nature, stands as one of the most straightforward and useful chemicals produced here. Chemists and engineers respect it for its high solubility, fast action, and the way it holds up even when conditions get rough. Our facilities turn out calcium chloride dihydrate with consistently high purity and stable granularity, because precision in production always wins trust on the client side.
Calcium chloride dihydrate, often labeled as CaCl2·2H2O, arrives in forms such as flakes and prills. Our own batches commonly come in white flakes, recognized for quick dissolution and little dust. The material is not only visually clean but also maintains a tight control over free water, reducing caking in storage and transport. Our product holds to purity levels regularly surpassing 99%, determined by rigorous titration and ion chromatography at multiple checkpoints right on the production line.
Each run through the reactors focuses on minimizing byproducts, watching for sodium or magnesium traces that might interfere with sensitive downstream uses. Monitoring for heavy metals, we maintain concentrations far below acceptable industrial norms. Observing safety and traceability during production grows from direct experience in the plant—if you don’t test every step, you risk compounding small flaws. That just isn’t acceptable with customers who run continuous processes and need predictable outcomes.
In oil and gas fields, customers use our calcium chloride dihydrate to increase density in completion fluids or drilling muds. The product arrives ready for immediate mixing, without the sticky lumps or insoluble debris that cause downtime at the well site. Odd smells, discoloration, or undissolved particles signal trouble in batches from some suppliers, but we solve those issues by starting from high-grade synthetic hydrochloric acid and lime.
Customers in highway maintenance value this product for its ice control and dust suppression properties. During harsh winters or dry summers, they rely on the moisture-attracting power of calcium chloride dihydrate to keep road surfaces safe and stable. The flakes or prills spread easily from standard equipment and draw moisture from the air rapidly, forming a firm, damp surface resistant to dust clouds or icy buildup. Experience shows that even application in subzero temperatures or heavy traffic delivers the needed effect, reducing accidents and maintenance. Crews appreciate that once spread, our product remains active longer than usual thanks to its tight specification.
A significant share of our calcium chloride dihydrate serves as a firming agent in food processing and pickling. Because we control residues and monitor for organics at every stage, food manufacturers trust the purity. The end product stays clear and safe, avoiding off-flavors or cloudiness which can send a whole batch off-spec. Cheese makers and canners know that daily production can run smoothly only with reliable input chemicals — consistency is crucial.
In breweries, calcium chloride dihydrate is a common ingredient for balancing water chemistry, supporting yeast health, and driving clear, stable beers. Many microbreweries have turned to us for tighter mineral profiles and fewer wastes. Years of collaboration improve the process on both ends, because a bad mineral balance spells extra labor and cost. We account for this during both batch planning and final product checks, so brewers always get results that meet their recipes.
Municipal water treatment plants add calcium chloride dihydrate to influence water hardness, aid flocculation, and help remove minerals that plug up pipes or make water cloudy. Facilities cleaning groundwater, wastewater, or potable supplies also mix in this compound to stabilize the water for further chemical adjustment. Our production lines build in detailed control over both particle size and solubility profile, reducing the risk of blockages or uneven dispersion in crowded pretreatment tanks.
Paper mills order calcium chloride dihydrate for sizing operations and to adjust ionic strength in recirculating loops. Keeping the product dry and free of foreign material means the machines run smoother and with fewer shutdowns. In textile dyeing, operators notice a smoother color take-up and reduced batch-to-batch variation after switching to our high-purity dihydrate from older technical grades. Customers report easier rinsing and better colorfastness.
Direct production experience shows clear contrasts between calcium chloride dihydrate and other forms like the anhydrous or hexahydrate. The anhydrous version packs more active salt per kilo, but can pull in moisture rapidly from the air, turning solid granules into sticky clumps. Dihydrate solves that for storage and on-site use in damp environments—the two water molecules buffer moisture swings, making it easy to handle even from open bags in humid weather. Its lower dust content also leads to safer workspaces and simpler mixing on the job.
Hexahydrate, although used in specialty heat exchange, is less stable in normal storage and rarely matches the solubility or handling advantages of dihydrate for most industrial settings. Flake and prill forms of dihydrate bring practical wins: flakes dissolve faster in bulk tanks, while prills roll through dosing feeders with fewer jams. Years working with bulk users show that choosing between these shapes depends on the equipment on site and the climate, but the chemistry stays just as reliable either way.
Our process begins with sourcing top-tier limestone and hydrochloric acid, avoiding upstream contamination. Chemical reactions run under close temperature and agitation control, keeping the formation of unwanted byproducts at bay. Monitoring includes real-time analysis, so every lot meets the strict purity targets for high-spec industries. Evaporation and crystallization steps follow, where we adjust cooling rates and solution concentrations to set the right crystal structure.
We see first-hand how variable incoming material affects yield and purity; for this reason, strict supplier evaluation and backup sourcing plans stay in place year-round. Every ton gets signed off through in-house analytical labs before packing. Operators sample each batch for moisture, calcium, and chloride content, cross-checked through both classical wet chemistry and modern spectroscopies. Any nonconformity is pulled before dispatch, sorted, and recycled if possible—waste and rework both count in the long view.
Packing calcium chloride dihydrate seems simple, but details matter. The product ships in multi-layer polyethylene sacks resistant to both puncture and water. Any residual heat from the drying stage can cause condensation, so we cool and condition flakes thoroughly before bagging. Stackability in our warehouse comes from flat-sided sack design, tested for forklift strength and racking. Clients working in rugged or remote places expect no less—bags that break in a truck or on the site slow down progress and add cost.
Bulk customers, including major construction or energy projects, receive product in one-ton super sacks or silo trucks. We test valve and liner systems carefully to make unloading simple and keep contamination and dust minimal. Several partners working in hot, damp regions have helped us refine our inner lining formulations, reducing the chance of moisture uptake even if storage runs longer than planned.
Keeping accountability in the supply chain remains at the core of effective manufacturing. Each lot of calcium chloride dihydrate carries batch barcoding and production logs. This offers complete traceability from raw reagent through final delivery. If a customer raises a question or needs technical support, we have instant access to all historical measurements and process notes, rather than guesswork or handoffs through third parties.
This approach isn’t just regulatory—it directly serves customers running automated or critical systems. Shipments trace quickly back to specific reactors, technicians, and even batch operator shift logs. We find this reduces the number of field issues and gets to root causes quickly, keeping customer trust high and waste low.
Over the years, customer requirements have tightened across every industry. Our quality assurance framework has evolved to match, going far beyond simple composition tests. We routinely check for particle size distribution, dissolution time, and the presence of trace ions. This begins at inspection of incoming raw material, carries through live process sampling, and culminates in post-packing verification.
Final batches pass not only by laboratory standards, but also under practical observation: dissolving test portions in tap and deionized water, testing caking after conditioning, and screening for visible impurities by both microscope and UV lamp. Lot failures happen less and less as in-process controls get tighter. Regular staff training and incentives for line operators add another layer, making sure knowledge is not just stored on paper but lives in the daily routine.
Customers call frequently about shifting use patterns, new regulatory challenges, or changes in regional supply. Recent years have seen spikes in demand from food safety upgrades, expansion in well service operations, and new formulations in concrete treatment. Participation in industry working groups and joint research projects helps predict and address these trends. We modify our processes, packing formats, or analytical standards to keep up as necessary—no one benefits from lagging behind technical advances or regulatory shifts.
For example, the growth of organic or allergen-conscious food production has pushed us to adopt ever-cleaner workstreams and new detection methods for trace contaminants. Continuous improvement projects have replaced older, more labor-intensive steps with closed-system reactors and automated data logging. Designers and engineers from customer sites routinely walk our lines, share their needs, and help us build solutions together.
Long-term viability for any chemical plant links directly to environmental performance and community safety. Calcium chloride dihydrate production involves safe handling of strong acids and bases, responsible waste neutralization, and careful emissions management. Years of close work with local environmental agencies have led to robust recycling programs for process water and byproducts.
Routine audits, both internal and third-party, keep staff alert and accountable. Actual discharge points and air streams see frequent monitoring, well above regulatory frequency. Customers rightly expect trusted suppliers to meet both legal and social expectations about safety and stewardship; falling short would jeopardize both reputation and license to operate. Initiatives to recover energy, reuse process liquor, and minimize plant footprint keep evolving, in line with feedback from customers who increasingly link procurement to strong environmental benchmarks.
Direct factory support often makes the difference, especially on tight timelines or in high-value production runs. Years of troubleshooting in partnership with plant managers, field technicians, and procurement teams keep the focus on results. The ability to dial in the right grade and packing saves customers from unnecessary troubleshooting or waste.
In one case, a large construction project in a coastal zone needed a dust control solution with low sodium chloride admixture, so we adapted a batch of calcium chloride dihydrate to even lower sodium specs, confirmed by independent third-party labs. During another unexpected cold snap, highway departments drew urgently from our winter reserves; that supply buffer came from continuous forecasting and baseline inventory, not last-minute scrambling.
Ongoing technical assistance for batch mixing, equipment cleaning, and troubleshooting builds deeper customer trust and more resilient solutions. Site visits, system start-up supervision, and quick action if anything goes awry remain standard. The experience on our side comes from real-world problem solving – not just product brochures or standard charts.
Markets will keep moving, and so will customer needs. The guiding lesson through decades of production is straightforward: control inputs, watch for fine details, and maintain direct communication with users. Close attention to regulatory, environmental, and technical shifts ensures that our calcium chloride dihydrate keeps performing reliably, batch after batch.
Investment in better analytical tools, smarter automation, and deeper recycling keeps our factories ready for what comes next. Growth in new industries and applications continues, but consistency and dependability in everyday products like calcium chloride dihydrate will always underpin the most rewarding customer relationships.
Every shipment of calcium chloride dihydrate carries more than just raw material—it reflects the combined effort and judgment of everyone from chemical engineers to packers and truckers. Systems built over years prevent mistakes, catch trends early, and weave in customer feedback at every turn. Delivering a reliable, high-purity chemical means linking careful manufacturing with attentive customer support.
Feedback from customers, ongoing improvements in process control, and direct communication with field users combine to keep us moving forward. The result is a product that isn’t just made, but managed, monitored, and delivered with attention to every detail—from the first raw material sample to the last bag off the line.