| Names | |
|---|---|
| Preferred IUPAC name | calcium chloride dihydrate |
| Other names | Calcium chloride, dihydrate Calcium chloride-2-water Calcium dichloride dihydrate |
| Pronunciation | /ˈkæl.si.əm ˈklɔː.raɪd daɪˈhaɪ.dreɪt/ |
| Identifiers | |
| CAS Number | 10035-04-8 |
| Beilstein Reference | 1201320 |
| ChEBI | CHEBI:86156 |
| ChEMBL | CHEMBL1201152 |
| ChemSpider | 22222 |
| DrugBank | DB09432 |
| ECHA InfoCard | 02-211-934-368-0028 |
| EC Number | E509 |
| Gmelin Reference | 126699 |
| KEGG | C00237 |
| MeSH | Dihydrate Calcium Chloride |
| PubChem CID | 24844 |
| RTECS number | EV9850000 |
| UNII | 1ZRA9J99ZB |
| UN number | UN1760 |
| CompTox Dashboard (EPA) | DTXSID4024069 |
| Properties | |
| Chemical formula | CaCl₂·2H₂O |
| Molar mass | 147.02 g/mol |
| Appearance | White crystalline solid |
| Odor | Odorless |
| Density | 2.03 g/cm³ |
| Solubility in water | 74.5 g/100 mL (20 °C) |
| log P | -1.6 |
| Magnetic susceptibility (χ) | -41.2e-6 cm³/mol |
| Refractive index (nD) | 1.437 |
| Dipole moment | 0 D |
| Thermochemistry | |
| Std molar entropy (S⦵298) | 151.0 J·mol⁻¹·K⁻¹ |
| Std enthalpy of formation (ΔfH⦵298) | -1276.8 kJ/mol |
| Std enthalpy of combustion (ΔcH⦵298) | -208.7 kJ/mol |
| Pharmacology | |
| ATC code | A12AA04 |
| Hazards | |
| Main hazards | Harmful if swallowed, causes serious eye irritation, may cause respiratory irritation. |
| GHS labelling | GHS07, GHS05 |
| Pictograms | GHS05,GHS07 |
| Signal word | Warning |
| Hazard statements | Hazard statements: "Causes serious eye irritation. |
| Precautionary statements | P264, P270, P280, P301+P312, P305+P351+P338, P330, P337+P313 |
| NFPA 704 (fire diamond) | 1-0-0 |
| Explosive limits | Non-explosive |
| Lethal dose or concentration | LD₅₀ Oral (rat): 1000 mg/kg |
| LD50 (median dose) | 2,300 mg/kg (rat, oral) |
| NIOSH | EW3250000 |
| PEL (Permissible) | Not established |
| REL (Recommended) | 5 mg/m³ |
| Related compounds | |
| Related compounds | Calcium chloride Calcium chloride anhydrous Calcium chloride hexahydrate Magnesium chloride Sodium chloride |
| Property | Technical Commentary & Manufacturer Perspective |
|---|---|
| Product Name & IUPAC Name | Industrial production tracks Calcium Chloride Dihydrate. The IUPAC designation, Calcium dichloride dihydrate, distinguishes the hydrate form from other hydrates and anhydrous variants. Accurate naming avoids mixing product grades in bulk shipments and contractual agreements. |
| Chemical Formula | CaCl2·2H2O reflects the dihydrate form delivered in most general-purpose or industrial-grade production. Water of crystallization affects free-flow, caking behavior, and solubility in downstream operations. The hydrate state must match specification on bulk deliveries for correct end-use performance. |
| Synonyms & Trade Names | In production, common synonyms include "Calcium Chloride Dihydrate," "Calcium dichloride dihydrate," or "CaCl2·2H2O," depending on the regional market or customer documentation. Product naming conventions shift by region, and branding on bulk packs or distributor SKUs usually follows longstanding regional terminology rather than IUPAC. |
| HS Code & Customs Classification | Under international customs practice, Calcium Chloride articles fall under HS 282720. Customs authorities may refine classification by crystallization state, so in export documentation, technical grade, hydration state, and bulk form must be stated. Incorrect HS labeling in cross-border shipments exposes suppliers and receivers to delays, reclassification, or fines. |
Accurate product naming and formula assignment reduce mis-shipment risk and ensure the right product is loaded at the facility. For dihydrate forms, the measured water content must remain consistent across production batches. Water pickup or loss during transit requires attention, so closed packaging, humidity monitoring, and sample retention practices are standardized. Trade names and synonyms arise from market legacy practices or end-use norms, and dual labeling is often required to suit both technical and commercial documentation.
HS Code assignment is not a mere formality but a regulatory necessity; non-alignment between shipping documentation and physical inspection leads to import/export bottlenecks, especially under international compliance regimes and when dealing with restricted end-use sectors.
In production, Calcium Chloride Dihydrate typically appears as white, crystalline granules or flakes with no distinct odor. Color and form may shift slightly based on grade and finishing process. Commercial grades used for de-icing or dust control are coarser, while grades for pharmaceuticals or food processing are refined further and show less discoloration.
The material does not have a flash point as it is inorganic and non-flammable. The melting point varies with purity and hydration state; dihydrate form will readily lose water below 200°C, converting to a white powder. Its density is grade and compaction dependent. The bulk density defines packaging and handling logistics for tankers or FIBCs.
Calcium Chloride Dihydrate stays chemically stable under typical atmospheric handling but absorbs moisture rapidly from air, transitioning through hydrate forms or dissolving to form brine. Contamination with reactive organics or sulphates can yield byproducts, so segregation and control in storage and transfer pipelines are enforced at all times.
Solubility in water remains high, with dissolution generating heat – process engineers implement controlled dilution to avoid splattering or overheating tanks. Brine concentration and temperature need monitoring, especially in continuous feeding systems. Product grades designed for solution preparation optimize for low insoluble matter content.
| Parameter | Industrial Grade | Food/Pharma Grade |
|---|---|---|
| Calcium Chloride Content (%) | Typical values depend on grade and application requirements | Defined according to regulated standards |
| Water Insolubles | Process-dependent | Lower limits required |
| Alkali Metals | Specification as per downstream sensitivity | Tighter control for human contact uses |
| Heavy Metals | Monitored for bulk use only on request | Limited as per legal/statutory requirements |
| pH (10% Solution) | Measured for each batch | Range controlled by use-case |
The impurity profile depends on raw calcium source, process step efficiency, and final purification. Main process impurities include magnesium, potassium, sodium, sulphate, and traces of heavy metals. Batch release relies on both routine and spot impurity screening, especially for pharma and food applications. All test data is tied to retained production samples.
Analytical approaches vary: titrimetric methods for CaCl2 fraction, gravimetric determination for insolubles, ICP or AAS for trace metals, and regulated standards for labeling. The final release standard is subject to internal quality control criteria and customer requirements.
We select between natural mineral deposits, technical-grade limestone, or synthetic CaCO3 based on cost structure and contaminant risk. Hydrochloric acid purity plays an equal role because secondary ions transfer directly to final product. By controlling feedstock origins, manufacturers reduce the probability of unexpected off-spec batches.
The production applies an acid-base reaction where calcium carbonate or hydroxide reacts with concentrated hydrochloric acid, forming a hot brine. Factory layout splits between direct-neutralization and conversion from synthetic soda ash processes. Route selection reflects desired capacity, local raw material economics, and impurity handling needs.
Key control points start with accurate dosing of acid and base, temperature regulation, and staged crystallization. Impurity removal takes place through decantation, filtration, and multiple recrystallizations. For food and pharma grade, additional purification ensures residual impurities fall within mandated standards. Continuous monitoring targets ion-exchange and conductivity readings.
Quality control involves parallel assays of key specification items, review of trace impurity logs, and finished product physical checks. Every batch must match the pre-defined release profile built from accumulated plant data and agreed customer requirements. Non-conforming material gets segregated and either reprocessed or downgraded for less-sensitive applications.
Calcium Chloride Dihydrate acts as a strong electrolyte, producing exothermic dissolution when mixed with water. It reacts with carbonate sources to generate insoluble CaCO3, and exchanges anions with sulphate or phosphate ions under controlled settings.
No external catalyst is needed; advanced reaction management focuses on temperature, agitation, and solution ratio. Downstream in industrial use, reaction temperature and dilution speed require managed dosing to prevent localized overheating or shock crystallization.
Further processing yields anhydrous calcium chloride by forced dehydration. In chemical synthesis, the dihydrate supports manufacture of specialty salts and occasionally sees use in controlled-release agents and dehumidification. Downstream product selection follows market and customer requirements, with batch traceability ensuring product lineage.
Calcium Chloride Dihydrate demands moisture-proof, tightly sealed storage to avoid caking and deliquescence. Warehouses maintain moderate temperature and avoid direct sunlight to minimize dehydration and discoloration. In high-humidity regions, extra precautions include dehumidified storage and routine drum surveys.
Manufacturers choose lined drums, polyethylene bags, or tankers based on product grade, shipment distance, and customer technical requirements. Metal contacts can corrode under moist conditions, so materials resistant to brine exposure dominate in logistics.
No universal shelf life applies as it depends on packaging and environmental factors. Deliquescence, caking, and yellowing offer clear indications of storage degradation. Periodic inspection of containers and retained samples allows for early detection of off-spec aging.
Labeling and handling reflect regulatory requirements for irritation and environmental release. Classification and pictograms depend on regional implementation of GHS and intended product use.
Calcium Chloride Dihydrate can cause irritation to eye, skin, and respiratory tissue by direct exposure. Dust generation is controlled with local exhaust and careful material transfer. Eye and skin contact result in immediate washing with water; mask and glove usage forms part of daily departmental SOP.
Acute toxicity is low, but large quantities ingested or inhaled may result in gastrointestinal or respiratory discomfort. Chronic impacts remain minimal at occupational exposure levels; all personnel follow established handling limits and receive training in safe transfer and spill management.
No harmonized international exposure limit applies, so workplace control relies on particle monitoring, ventilation, and PPE as advised by internal and regional industrial hygiene practice. Tools, work surfaces, and containment areas receive daily cleaning to prevent dust accumulation and inadvertent transfer. Product training supports routine updates in safe handling guidelines as lessons are learned.
Production of calcium chloride dihydrate follows a brine-based process with typical grades tailored for de-icing, dust control, food, or industrial use. Availability shifts with the sourcing of raw brines and consumption cycles in downstream chlor-alkali and soda ash sectors. Incremental capacity expansions in East Asia and North America have led to greater buffer for bulk and spot orders, yet sharp weather events or plant turnarounds can introduce short-term constraints, especially where supply contracts prioritize multi-year buyers.
Typical lead time ranges from two to six weeks depending on production schedule, packaging preference, and customer-specific documentation. Lead times tighten seasonally when de-icing or oil/gas applications spike, especially for higher purity or food grades. MOQ varies by packaging and grade. For bulk industrial applications, orders may commence at several metric tons, while specialty food or pharmaceutical grades often require order aggregation to justify campaign runs.
Granular and flake forms are packed according to standard moisture and purity requirements. Options include bulk bags, fiber drums, and multi-wall PE-lined bags. Transport stability and moisture ingress are tightly controlled by inner liner selection and bag sealing method. Packaging compatibility depends on downstream handling systems—automated filling lines demand antistatic and dust-minimizing modifications for finer grades, while export shipments may trigger reinforced pallets or tamper-evidence considerations.
Shipping is typically offered FCA, FOB, or CIF major ports in regions with stable logistics links. Sea freight swings affect quoted delivery time and cost structure, particularly in long-haul routes from Asia to North America and Europe. Payment terms are subject to credit review and historic trade relationship. New customers often commence on prepayment or LC terms; established parties transition to 30-90 day credit cycles upon consistent fulfillment history.
Raw cost composition is anchored by the price volatility of calcium sources, sodium chloride, and process energy input—especially electricity and steam where evaporation is batch-intensive. Changes in the soda ash and chlor-alkali industry directly impact raw calcium chloride pricing through coproduct flows and plant integration strategies. Natural gas swings, which underpin steam and power generation in most regions, show immediate pass-through into variable cost for higher-purity products.
Pricing tiers reflect the granularity, assay, and certification chain associated with each product grade. Pharmaceutical and food grades command higher premiums driven by GMP validation, contaminant monitoring, and traceability. Packaging influences price for smaller lots or specialty liners, with UN-certified packaging and desiccant inclusion elevating cost in humidity-sensitive applications. Industrial and oilfield grades remain price-driven with relaxed impurity thresholds and flexible documentation, while agricultural buyers generally seek intermediate pricing on volume commitments without stringent particle size control.
Major producers are concentrated in China, the US, and segments of the EU, with integration to soda ash and chlor-alkali complexes underpinning cost competitiveness. Consumption trends diverge, with North America and Northern Europe seeing persistent winter seasonality and Asia-Pacific demanding more from the oil/gas sector and desiccant manufacturing. Demand peaks especially in Q4-Q1 for de-icing, leading to inventory swings upstream.
US: Integrated chemical complexes set the benchmark for cost; interstate transport conditions and seasonality create spikes. EU: Environmental policies and energy pricing, particularly from France, Germany, and Benelux, impact cost structure; REACH registration is a key compliance hurdle. Japan: Niche demand, mostly higher purity and specialty grades; stable demand from electronics and food processing. India: Growth seen in oil, gas, and construction sectors, but faces raw material import dependency and limited local purification capacity. China: Largest global producer, benefiting from captive brine sources and investment in purification lines, but remains exposed to regional logistics bottlenecks and policies on brine resource utilization.
Expect continued volatility in energy and freight rates to shape short-term pricing dynamics. If natural gas prices stabilize and freight bottlenecks recede, contract pricing may hold within a moderate band. Graded products for food, pharma, and specialty uses are likely to see upward adjustment as regulatory scrutiny on trace impurities intensifies and new compliance costs are internalized. Increased capacity in Asia could apply pressure to bulk industrial grades, but volatility remains if adverse weather or brine allocation restrictions hit primary supply regions.
Analysis builds on internal sales data, industry association reports, customs trade flow records, and direct engagement with multinational buyers. Pricing, volume, and compliance trends reflect actual upstream manufacturing and downstream customer feedback during annual contract negotiations.
Increased brine resource regulation in several Chinese provinces has forced a shift to alternative feedstock or secondary sourcing, with some facilities reporting higher production costs and elongated turnaround cycles. North American winter storms in late 2023 prompted emergency drawdowns of de-icing grade inventories, compressing Q1 2024 supply. New investments in brine purification in Western India could ease regional availability for technical grades over the next cycle.
EU authorities continue to enforce periodic review of REACH registration dossiers, placing heightened documentation burdens on all grades for trace metal content and dioxin monitoring. The US EPA has updated reporting requirements for dust-emitting baghouse systems, especially for facilities adjacent to water sources. Japanese buyers have requested expanded GMO-free declarations for food and pharma supply lines, setting new audit procedures for traceability.
Production managers have increased batch traceability and implemented tighter quarantine for incoming raw brine. Quality teams now prioritize rapid impurity screening, including trace metal and organic acid checks around each campaign run. Supply chain units are renegotiating freight contracts to pre-book critical lanes ahead of peak seasons, while product management continues to revisit grade cutoffs and partner with logistics providers to reduce the impact of sudden packaging or documentation changes.
Calcium Chloride Dihydrate serves a range of industrial sectors due to its high solubility, hygroscopic nature, and ability to depress freezing points. In direct process operations, it acts as a dehydrating agent, concrete accelerator, and dust suppressant. In oil and gas, it enables efficient drilling and completion fluid formulation. For food and pharmaceutical use, grade selection becomes more critical, as regulatory and functional purity drive specification.
| Industry | Typical Grade(s) | Key Application Drivers |
|---|---|---|
| Oil & Gas Drilling | Technical, Industrial | Low insoluble content, consistent particle size, controlled anti-caking properties |
| Dust Suppression & De-Icing | Technical, Flake | High solubility, fast dissolution, cost-effective bulk delivery |
| Concrete/Construction | Technical | Calcium content uniformity, low metallic impurities |
| Food Processing | Food Grade | Heavy metal content below regulatory thresholds, limited organoleptic impact |
| Pharmaceutical | USP/Pharma Grade | Bioburden control, microbiological purity, batch traceability |
| Water Treatment | Technical, Food Grade (depending on end use) | Impurity profile, solubility rate, absence of interfering ions |
Start by specifying process needs and performance expectations. Bulk de-icing, critical ingredient blending, and high-purity fluid formulation all call for different approaches to grade selection. Production, handling, and downstream requirements factor into the definition.
Local standards may dictate acceptable impurity maxima or require certification. Food, drink, and pharmaceutical sectors reference published government or pharmacopeia frameworks, which define allowable metal residues and microbiological controls. Technical applications may align with local or industry standards set by end users.
Determine tolerance for trace ions and contaminants. Higher grades undergo multi-stage purification, tighter process controls, and stricter raw material sourcing. Technical and de-icing customers may prioritize supply volume and consistency; regulated sectors place premium on certified impurity benchmarks.
Production economics influence grade selection. Large-scale users and seasonal operators weigh volume pricing and logistic factors. Technical grade suits high-throughput demands, while specialty grades support lower-volume precision applications.
On-site trials and laboratory evaluation confirm suitability for intended use. Application-specific testing of solubility, filtration, residual content, or downstream compatibility establishes actual performance under real operating conditions. Manufacturers typically coordinate with quality control and production support to ensure batch-level documentation aligns with user specification.
Production of Calcium Chloride Dihydrate takes place under an integrated management system audited regularly against recognized international standards. Certification to ISO 9001 reflects an ongoing program for process validation, batch traceability, deviation control, and complaint management. The internal system records each intake batch, operational check, and product release in line with the requirements of downstream customers. Certification renewal frequency aligns with supply chain audit cycles, and all records are available for customer review upon request.
The regulatory environment for Calcium Chloride Dihydrate changes with end-use. For food-grade supply, compliance with the relevant food codex or regional purity requirements is confirmed through third-party audits and periodic sample testing. For technical or industrial applications, confirmation of conformity with regional regulations and, where required, reach pre-registration or notification documents accompany shipments. Confirmation of lot analysis is included for each delivery, showing the test parameters appropriate to the grade.
All routine shipments include a manufacturer-generated Certificate of Analysis linked to internal batch numbers. Upon customer request, extended technical documentation is supplied, including product stability test summaries, heavy metal impurity profiles, and additional specification sheets for sensitive applications. For new project validation, representative retains and test records can be coordinated via customer quality teams. Document response times depend on the scope of the request and data retention timeframe.
Manufacturing schedules prioritize forward contracts and routine volume buyers, which allows consistent supply and allocation planning. The core production lines operate with multi-shift throughput, seasonal demand peaks and scheduled maintenance periods are communicated in advance. Allocation policy supports fixed call-off, rolling forecast, or spot order models, and shipment frequency adapts to customer inventory cycles. Regular buyers can access update meetings on production status, and supply flexibility includes the option for contract tonnage adjustment within the annual agreement period.
Supply continuity depends on both internal plant uptime and raw material sourcing stability. The main process route for dihydrate relies on local brine resources and standardized reaction conditions. Batch segregation is maintained for high-purity and general industrial grades. A dedicated stock buffer is kept for volume contracts, and alternate supply routes are available in case of raw material interruption. Real-time adjustments to production load are possible, minimizing the risk of delayed shipment during market surges or logistic disruption.
Sample requests are prioritized for technical project review, new qualification, or regulatory revalidation. Customers need to specify intended application, grade required, and relevant downstream process conditions. Samples are prepared from standard production batches, and test documentation accompanies each submission. Special grade or large-volume sample lots may require extra lead time for production scheduling and analytical clearance. Feedback on testing use is requested to enhance batch alignment with end-use specifications.
Long-term partners can select from fixed contract, rolling forecast, or spot purchasing plans to accommodate changing requirements. Annual agreements can include volume adjustment clauses, flexible invoicing terms, and consignment stock holding where local regulations permit. Batch reservation may be available for high-sensitivity applications or recurring specs. Joint process development projects allow for real-time technical feedback and shared improvement goals. Multi-plant customers can coordinate procurement across different sites to enhance logistical efficiency.
Production teams see immediate interest in optimizing the scalable crystallization of calcium chloride dihydrate, particularly for bulk manufacturing out of synthetic and byproduct streams. Engineers focus research on controlling hydration levels and crystal habit, as these directly affect flow properties, dissolution rate, and downstream usability. Technical groups also examine impurity carry-over from calcium carbonate, lime, and hydrochloric acid sources, with R&D aiming to refine both pre-treatment and final purification steps to fit customer-driven chloride content and heavy metal impurity demands. The drive for stricter regional requirements, especially for food, pharma, and oilfield grades, moves teams to invest in real-time analytical control and test correlation with external reference labs.
Industrial customers continue to explore calcium chloride dihydrate for ice control, dust suppression, and as a regenerant in water softening units. R&D and application support collaborate closely as demand rises for its use in concrete acceleration and desiccant blends. Recent requests for compatibility with agricultural nutrient formulations and food preservation methods highlight the need for contamination risk assessments throughout production and packaging. The shift toward applications where low bromide, low magnesium, or low sulfate content provide benefit brings new technical requests, often requiring application-specific sampling and trace analysis.
Production scales pose challenges related to thermal control, moisture migration, and caking during storage. Plant engineers invest significant effort to minimize process-induced variability, especially during crystallization and dewatering steps, where small adjustments affect particle size distribution and bulk density. Improvements in closed-system processing and real-time impurity monitoring, driven by R&D investment, have reduced trace metal and alkali contamination for food and pharma grades. Breakthroughs in energy recovery from exothermic dissolution hold promise for greater process efficiency, with some projects targeting reduced greenhouse gas footprint across the calcium chloride lifecycle.
Major demand segments point to continued growth for calcium chloride dihydrate, especially in de-icing and brine formulations tied to cold climate infrastructure upgrades. The uptick in regions with new environmental discharge controls sheds light on the shift from technical to high-purity grades. Customers increasingly ask about traceability from raw materials to packaged product, and production teams observe higher volumes of requests for customized packaging and specific bulk container sizes based on application requirements. Market forecast models suggest stable to modest expansion, tempered by regional regulatory updates and the pace of infrastructure modernization.
Technical staff anticipate more robust use of inline spectrometric analyzers throughout production, not just at outbound QA labs but also on process brines and intermediate storage. Process route selection increasingly factors in energy profile, water recovery, and byproduct utilization. Upgrades to automation in filtration, drying, and packaging are already under way, aimed at minimizing cross-contamination between product grades and maximizing batch traceability. Engineers continue to re-evaluate equipment cleaning protocols to reduce downtime, meet hygiene standards, and extend plant asset life, especially for food and pharma contract lines.
R&D groups work to lower emissions and waste effluent loads by capturing and recycling process water, as well as valorizing residual brines. Selection of calcium and acid sources prefers local, low-impact routes when available, as transport and purification steps contribute heavily to the environmental profile. Sustainable packaging trials focus on minimizing polyethylene liner waste without risking product integrity or performance, especially under variable outdoor storage conditions. Increased attention to lifecycle analysis and customer-facing disclosure has made a clear impact on both purchasing decisions and technical support documentation.
Plant technical service teams respond directly to customer technical inquiries regarding grade selection, application compatibility, and analytical test interpretation. Consultation frequently covers performance in brine concentration, reaction with target chemicals, and compatibilities with additives in formulated solutions. Customers with new application ideas or downstream process changes often require trial batches or custom test reporting, which technical teams execute in accordance with their internal control standards.
Application engineers provide guidance on best practices to reduce caking, improve dissolution rates, or manage dosing consistency, based on the nature of the specific process or end-use. Support covers optimization of storage conditions to maintain free-flowing product, recommendations for integration with automated feeding or mixing equipment, and troubleshooting with real-world samples from customer sites. Assistance also covers risk evaluation for cross-contamination with other chemicals used at the customer’s facility, as grade requirements for industrial, food, or oilfield applications diverge.
Technical and quality support teams track all after-sales feedback and initiate root-cause investigations on batches that do not meet customer expectations. Documentation of corrective actions and preventive measures is managed through a live system, with trend analysis shared internally to refine process control and customer communication. The final release standard is subject to internal quality control criteria and customer requirements, especially where specific application properties—such as low-alkali or low-heavy metal profiles—define acceptance. Ongoing commitment includes proactive communication about regulatory changes, supply chain developments, and updates to technical documentation as developments emerge.
Manufacturing Calcium Chloride Dihydrate places tough demands on process stability and raw material traceability. Daily, our team oversees every production batch, tracking each phase from raw input to finished goods. We operate our own reactors and drying systems, managing reaction temperature, residence time, water quality, and filtration. Every package of Calcium Chloride Dihydrate leaving our plant traces directly to real production records, batch testing, and in-process monitoring. We maintain direct oversight of purity, moisture, and physical form through onsite QC labs—not outsourced labs—using equipment calibrated to each customer’s requirements. Our approach shapes both product and service traceability, not just specs on a sheet.
Process industries use Calcium Chloride Dihydrate for a range of operational challenges. In concrete acceleration and dust control, buyers in civil engineering demand consistent flake or granular sizing and minimal insoluble residue. Petroleum drillers depend on controlled dissolution rates, while de-icing contractors require reliable moisture control. Food processors use food-grade material that passes dedicated lines and sanitary controls. Our operational staff directly adjusts production parameters to match the technical parameters requested by these industries, batch by batch.
Industrial customers often report performance failures after receiving variable quality from unrelated supply chains. We address this risk by controlling all aspects of the manufacturing environment. Each lot receives analysis for concentration, pH, and common impurities. Records link every drum, bag, and IBC to our batch logs. By using standardized raw calcium sources and calibrated feed mixers, we remove much of the unpredictability observed in outsourced models. Repeat customers recognize practical consistency in dissolution, handling, and long-term performance—critical in automated or large-scale operations.
Corrosive chemicals create unique challenges for shipping and storage. We developed several high-integrity packaging options, including double-lined bags for high humidity regions, anti-slip pallets, and heat-sealed drums for bulk transport. Our operations staff regularly reviews warehouse and logistics feedback to prevent material loss from outdated or poorly specified packaging. Each packaging size and format—whether 25 kg sacks or 1000 kg bulk bags—receives pairing with direct batch records and traceability documentation for each client. Consolidation, labeling, and palletizing are implemented at our plant, not third-party warehouses.
Process interruptions cost time and margin. Our technical team includes production chemists and application engineers who respond with practical advice for dosing, mixing, and storage. They collaborate directly with industrial customers—whether dealing with scale formation in oilfields or flow issues in automated dosing lines. Every inquiry routes to staff with real manufacturing and process experience, not sales specialists. We maintain a record of common customer pain points and adapt production protocols where possible to prevent repeat issues. This cycle of feedback and adjustment reduces downtime and simplifies reordering for recurring customers.
Procurement groups and distributors come to us seeking predictable delivery, cost transparency, and minimized risk across shipments. As a direct producer, we operate shipping windows, inventory buffer stocks, and dedicated loading bays, minimizing delays common in broker-based systems. Direct engagement with plant operations ensures that technical data and batch traceability reach the end user unfiltered, which procurement teams rely on during audits or certification reviews. Our supply team works to anticipate seasonal surges, export documentation demands, and labeling according to local compliance rules.
Holding production, testing, and packaging in our own hands allows us to guarantee both product and information flow. By owning each step, we serve industrial buyers who rely on consistent experience batch after batch—not just in specifications, but in every kilogram delivered and every technical challenge solved in the field.
In the industrial use of calcium chloride dihydrate, purity stands out as the backbone for consistent results. We direct our focus on purity because impurities—whether in the form of sodium chloride, magnesium salts, or heavy metals—directly influence downstream processes and customer outcomes. Our batches regularly clock in at a minimum of 99% purity for the CaCl2·2H2O content, which supports rapid solubility and minimizes residue. Practical experience has shown that slipping below this range often introduces unpredictable behavior in critical operations like de-icing, concrete acceleration, or as a drying agent in chemical synthesis. Higher-purity materials flow better, dissolve without haze, and leave minimal insoluble matter, all of which matter for plant operations.
Over years of tuning our calcium chloride dihydrate process, we’ve come to appreciate how even minor shifts in particle sizing impact application efficiency and handling. Granular material within the 1 mm to 6 mm range forms the backbone for most industrial customers—dense, flowing, and easy to measure into mixing tanks or automated dispensers. Fine dust content under 0.5 mm proves problematic by caking or causing dusting, while oversized lumps above 6 mm can jam augers and feeders. Our standard comes calibrated to these needs, but shifting to finer or coarser grades can be arranged for customers with specialized spray or compaction requirements. Regular sifting and density checks on our lines add predictability, cutting down unplanned downtime in customer plants.
Producing industrial calcium chloride dihydrate is not just about meeting a number. We run daily lot analyses on moisture, water content, and contaminant levels—especially since ambient humidity and raw material quality influence the final output. Strict screening serves a real purpose beyond paperwork. For example, in oil drilling muds or food-processing environments, even trace byproducts can introduce off-colors or reaction interference. Frequent dialogue with technical teams at client sites has allowed us to continuously refine our QC to react to seasonal demand spikes or application-specific feedback. The importance of truth-telling on our spec sheets remains clear: the end product’s reliability reflects directly back to our process control and in-house testing.
New projects often bring new purity or size questions to light. For customers facing filtration problems or reactor fouling, we provide full analytical breakdowns and particle size curves, not just a headline purity value. We work with plant engineers to trace issues—clumping, residue, or unexpected solubility—back to the raw material. In many projects, a tailored particle range or an extra wash step in our process has resolved long-standing customer headaches. Continuous improvement in consistency and quality is not about chasing higher numbers but solving line problems before they become production losses.
Day-to-day industrial performance hinges on clear communication about what really goes into every shipment. Purity and particle size aren’t just technical terms—they connect directly to industry uptime, repeatability, and operator safety. We welcome technical discussions and audits, and our technical team stays available for support on specification clarification or compliance documentation. Through ongoing investment in process control and raw material screening, we keep our calcium chloride dihydrate in line with the requirements faced by plants and operators worldwide.
Managing the production and delivery of Calcium Chloride Dihydrate begins early on the factory floor, with every decision impacting the handling, storage, and application of the product downstream. Over years in the chemical manufacturing business, we have worked closely with users across various sectors to understand what works in both logistics and end-use, and which choices may add either cost or value to the process.
Our manufacturing line routinely fills Calcium Chloride Dihydrate into packaging sizes that match ongoing demand from industrial processing, food uses, de-icing, and water treatment sectors. Standard sizes usually reflect a balance between protection from moisture and ease of on-site storage and handling. We commonly package product in 25 kg multi-ply bags, which distribute weight effectively and can be handled efficiently on job sites or throughout the supply chain. For operations that require larger throughputs or encounter space constraints, we supply 500 kg and 1000 kg jumbo bags. These are built tough, with liners and extra reinforcement, ensuring the chemical remains free flowing and dry during extended storage times and long-distance freight.
In certain industries—such as laboratory, medical, or specialty food processing—demand sometimes runs toward smaller units. Occasionally, we fulfill requests for 5 kg or 10 kg containers when our technical team sees fit for accuracy in smaller-scale dosing. We only recommend this if it fits the intended application and where contamination or moisture sensitivity elevates the need for extra protection or simplicity in use.
Every batch runs through our reactors at sufficient scale to justify the cleaning and preparation work, so minimum order quantities do matter—not only from our perspective, but also to help customers secure consistent quality between shipments. For 25 kg bagged lots, the minimum order usually starts at one full pallet. This equates to either 40 or 48 bags depending on our palletizing scheme. Bulk bag shipments (500 kg or 1000 kg) run in multiples to fill a truck or container efficiently. Running smaller quantities through our plant means more product handling and potential variation, so we set these minimums after listening to feedback from logistics and packaging teams, as well as regular discussions with users who want predictability in quality and lead time.
On custom project bases, our technical staff reviews requests for non-standard sizes or lower quantities. If justified by a special project trial, regulatory application, or critical R&D requirement, we consider what it takes to deliver product in tight packaging environments—for instance, vacuum-sealed, heat-sealed, or nitrogen-flushed pouches—though this custom work typically commands higher cost and longer lead times given production realignment.
Most of our customers face real struggles with moisture uptake and caking if packaging fails to perform. Our lines employ high-barrier liners and composite film bags that provide extra defense against humidity. For bulk users, we recommend offloading directly into silos designed for deliquescent chemicals or controlling warehouse climate if ambient moisture becomes a threat. We work with clients to advise proper storage after delivery, sharing practical solutions from decades running plants in all climate zones.
Trends in the market show growing demand for larger, more efficient packaging to minimize manual handling, but we know that not every plant, warehouse, or construction site is equipped for jumbo bulk bags. For handling and re-packaging on site, we stress that each transfer step invites risk of contamination or moisture exposure, which can degrade the quality of Calcium Chloride Dihydrate. Our view is simple: choose the largest package that suits your storage, usage, and safety requirements to streamline workflow and retain chemical performance from our plant to yours.
As a direct manufacturer of calcium chloride dihydrate, every ton that leaves our factory represents months of planning—starting from raw material sourcing all the way to compliant transport documentation. Shipping calcium chloride dihydrate across international borders draws plenty of questions. During audits, regulatory checks, and client onboarding, inquiries about labeling and shipment documentation come up constantly. Years of shipping bulk lots by sea, rail, and road taught us the real-world balance between compliance and operational efficiency.
According to the UN Model Regulations for transport of dangerous goods, calcium chloride dihydrate does not fall under hazardous goods for most modes of transport. We confirm this regularly by examining Schedule 1 of the IMDG Code and ADR tables, which list products controlling specific handling practices. Calcium chloride dihydrate gets classified as non-hazardous, provided the material does not contain additives or contaminants that change its basic chemistry. Our technical team reviews each batch certificate to guarantee it matches that expectation before loading.
No requirement exists for hazard risk labels like those mandated for Class 8 (corrosive) or Class 5 (oxidizing) substances. That cuts down on compliance complexity, yet several countries still want documentation to show product identity—especially when shipments cross customs checkpoints where agricultural or food-grade chemicals receive extra scrutiny. Our standard packaging displays clear product identification, net weight, batch number, and manufacturing date per industry best practice, along with destination language labeling when local customs authorities require it.
Every shipment from our facility carries a detailed bill of lading, packing list, and a certificate of analysis. Where customers request a Material Safety Data Sheet (MSDS) or ask for transport documentation referencing GHS (Globally Harmonized System), we provide it without delay, even though calcium chloride dihydrate’s global classification sits as non-hazardous. Some clients in Europe, North America, and Asia prefer the precaution of carrying a full MSDS to smooth customs clearance—not a legal stipulation, but a practical necessity to avoid unexpected hold-ups at ports or cross-border transfer points. Our documentation clearly identifies calcium chloride dihydrate by CAS number and batch, supporting full supply chain traceability.
We standardize our packaging with heavy-duty sealed bags, bulk supersacks, or IBCs, depending on customer needs. Labels make the identity of calcium chloride dihydrate unmistakable through the transport chain. Moisture resistance and robust closure are crucial, since exposed product absorbs humidity, driving caking and loss of free-flow—major concerns for downstream application. Customs officials at major ports have checked our labeling and documentation hundreds of times, so our workflow integrates every requirement that countries may enforce—even rare ones. Our experience helps avoid preventable delays or repackaging orders after-the-fact.
Moving chemicals across borders grows more complex each year. Systems designed for hazard control now reach even simple mineral salts like calcium chloride dihydrate. Packaging and documentation must answer regulatory interests while keeping logistics efficient and cost-effective. Working closely with authorities, logistics partners, and customers lets us deliver the right paperwork and labeling the first time. That keeps loads moving, shaves unnecessary costs, and builds trust in our process. Knowledge travels with every pallet we ship—and we share whatever clarity our experience provides.
For product inquiries, sample requests, quotations or after-sales support, please feel free to contact me directly via sales9@bouling-chem.com, +8615651039172 or WhatsApp: +8615651039172
