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HS Code |
184921 |
| Chemical Name | Magnesium Chloride Hexahydrate |
| Chemical Formula | MgCl2·6H2O |
| Molecular Weight | 203.30 g/mol |
| Appearance | Colorless to white crystalline solid |
| Solubility In Water | Very soluble |
| Melting Point | 117 °C |
| Density | 1.569 g/cm3 |
| Odor | Odorless |
| Cas Number | 7791-18-6 |
| Ph Of 5 Percent Solution | 4.5 to 7.0 |
| Storage Conditions | Store in a cool, dry, well-ventilated area |
| Hygroscopic | Yes |
| Uses | Deicing, dust control, nutritional supplements, laboratory reagent |
As an accredited Magnesium Chloride Hexahydrate factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
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Purity 99%: Magnesium Chloride Hexahydrate with purity 99% is used in industrial de-icing processes, where rapid ice melting and minimal environmental impact are achieved. Melting Point 116°C: Magnesium Chloride Hexahydrate with melting point 116°C is used in heat storage applications, where efficient phase change provides thermal energy retention. Particle Size <2mm: Magnesium Chloride Hexahydrate with particle size <2mm is used in dust control for unpaved roads, where even distribution enhances surface stabilization and minimizes airborne particulates. Stability Temperature 150°C: Magnesium Chloride Hexahydrate with stability temperature 150°C is used in chemical synthesis as a catalyst, where thermal integrity ensures consistent catalytic activity. Moisture Content ≤ 47%: Magnesium Chloride Hexahydrate with moisture content ≤ 47% is used in textile finishing processes, where controlled water release improves fiber softening and dye absorption. Solubility in Water 167g/100ml at 20°C: Magnesium Chloride Hexahydrate with solubility 167g/100ml at 20°C is used in brine formulation for refrigeration systems, where high solubility enables effective heat transfer. Bulk Density 0.9g/cm³: Magnesium Chloride Hexahydrate with bulk density 0.9g/cm³ is used in magnesium metal production, where optimal density facilitates efficient material handling and process throughput. Chloride Content 47%: Magnesium Chloride Hexahydrate with chloride content 47% is used in wastewater treatment, where enhanced chloride availability improves contaminant precipitation and removal efficiency. |
| Packing | Sealed 500g HDPE bottle with screw cap, labeled "Magnesium Chloride Hexahydrate, Analytical Grade," includes hazard symbols and batch details. |
| Container Loading (20′ FCL) | 20′ FCL container typically loads 25 MT of Magnesium Chloride Hexahydrate, packed in 25kg or 50kg plastic woven bags, palletized. |
| Shipping | Magnesium Chloride Hexahydrate is shipped in tightly sealed, moisture-resistant containers to prevent clumping and contamination. During transportation, it should be kept dry and away from incompatible substances. Proper labeling and documentation are required, and handling must comply with safety regulations. Avoid exposure to extreme temperatures and direct sunlight during transit. |
| Storage | Magnesium Chloride Hexahydrate should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area, away from incompatible substances such as strong oxidizers. It must be protected from moisture and humidity to prevent clumping or degradation. Store away from heat sources, and clearly label the storage area to ensure safety and prevent accidental contamination. |
| Shelf Life | Magnesium Chloride Hexahydrate typically has a shelf life of 3–5 years when stored in a cool, dry, and tightly sealed container. |
Competitive Magnesium Chloride Hexahydrate prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please contact us at +8615365186327 or mail to sales3@ascent-chem.com.
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Tel: +8615365186327
Email: sales3@ascent-chem.com
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Our workdays revolve around steady, reliable production of Magnesium Chloride Hexahydrate — a chemical that proves its worth every shift on our floor. As manufacturers, we know this ingredient beyond lab specs and marketing sheets. We see its use play out daily, from mixing tanks to finished pallets. Our team handles it direct, batch after batch, drawing on years of hands-on practice to ensure its quality stays consistent.
Magnesium Chloride Hexahydrate, with the chemical formula MgCl2·6H2O, comes out of our line in free-flowing, crystal-clear flakes or granules that dissolve quickly in water. We follow strict drying and crystallization routines, using modern vacuum evaporators and efficient centrifuges, to get optimum purity and keep heavy metal traces to a minimum. By refining our method over the years, we achieve purity levels above 98%, suitable for both industrial and select food applications. Standard particle size falls in the 2-5 mm range, though we customize for partners who need fine or coarse grades.
Reliability in chemical processing doesn’t happen by accident. On our plant floor, time matters — so does solubility, density, and package stability. Magnesium Chloride Hexahydrate’s six water molecules help it dissolve fast. That matters when you’re prepping brine for dust control, mixing it into setting agents, or blending it into fireproofing solutions. Its consistency means less downtime spent on incomplete dissolution, fewer clogged pumps, and a smoother overall process for every operator down the line.
Its melting point sits relatively low, around 117°C, so it doesn’t need as much energy to work into melts and solutions. The compound’s ability to attract moisture is a difference-maker — when spread on roads or floors, it pulls water from the air, keeping surfaces damp and dust locked down. In casting shops, our partners value the way it prevents refractory cracking during cooling, reducing costly defects and labor hours. When food producers use our higher-purity grades, they avoid the bitter, metallic notes found in some lower-quality alternatives. We’ve seen clients switch to our material simply to cut out uncertain tastes and off-odors, especially when working with cheeses, tofu, or mineral supplements.
Competitors in the market often lean on older, mined-magnesium sources or repackaged bulk from distant providers. Those approaches can give unpredictable granule size and leave you guessing about actual composition. We maintain direct control over every step, so the end result matches the paperwork — our slabs, flakes, or powders behave exactly as promised in customers’ tanks. Our workers spot off-spec material early, and every outgoing shipment gets hands-on QC. That’s just how we do things — because our customers have deadlines, not just tolerances.
There’s no shortage of salts in industrial use. Rock salt, sodium chloride, calcium chloride, potassium chloride — each has a case to make for different jobs. Experience shows us it’s not just about cost or name; it’s about how each performs in the setting at hand.
Magnesium Chloride Hexahydrate, compared to sodium chloride, binds with water more aggressively. This isn’t just theory: we spend a lot of time watching it at work controlling dust on gravel roads, stabilizing unpaved lots, or keeping warehouse floors clean. Water is pulled from the air, binding fine particles and keeping the air safer to breathe, especially in drier regions. Sodium chloride dries out fast and loses effectiveness unless it rains. We see our customers choose magnesium chloride when they want that dependable, longer-lasting effect without frequent reapplication.
Against calcium chloride, another powerful desiccant, magnesium chloride sits a bit gentler on equipment and surrounding vegetation. Calcium chloride heats up more when dissolved, which can cause localized hot spots or stress plastic tanks during mixing. Magnesium chloride takes a calmer approach. Customers often tell us this means fewer repairs and less harshness for roadside plants or employee skin. Calcium chloride stays king in sub-zero de-icing, but once dust control or moisture retention above freezing comes into play, magnesium chloride wins steady repeat business.
In food and pharmaceutical lines, purity is more than a label. Commercial sodium and potassium salts sometimes introduce caking agents or anti-dusting compounds with questionable compatibility. Our higher-purity magnesium chloride grades run clean — no extra additives unless you ask for a custom blend. Tofu manufacturers rely on our crystals for smooth, premium textures. Cheese-makers use the material to tighten curds without introducing off-tastes. These real-use stories explain why so many food lines move away from general-purpose mineral salts and toward specialty, inspected magnesium chloride produced by our team.
From where we stand on the production side, magnesium chloride hexahydrate proves itself over and over in several key fields.
The difference between a reliable chemical and one that causes trouble starts at the pump, not the shipping dock. Every step, from raw brine sourcing to evaporation and packing, needs strict control. We source brine from select, tested deposits. Automatic dosing keeps concentrations just right, and our operators fine-tune temperature and flow to coax out pure, solid magnesium chloride hexahydrate without over-drying or scorching.
Centrifuge operators regularly check for foreign inclusions or off-color batches, pulling any suspect material out early. We understand the risks: bits of metal, sand, or calcium can easily sneak into big-volume crystallizers. Even a few grams of off-spec product can gum up a food line or foul a sensitive industrial mixer. Our team runs density and solubility checks on every shift, day and night. Routine batch records and filter changes prevent surprises down the line. Those practices save us from costly recalls and help us serve partners who stake their reputation on our reliability.
Packaging matters, too. Magnesium chloride hexahydrate absorbs moisture from air, so bulk lots get lined, heavy-duty bags. Palletizing crews work fast to keep filled packs sealed tight, reducing risk of clumping before the truck even arrives. We mark each load with clear lot numbers and production dates, so customers know exactly what they’re getting and when. For sensitive applications, we also offer smaller, tamper-proof containers, each with their own COA clipped to the shipment. Simple steps, but they make all the difference for our customers’ confidence — and our repeat business.
Having spent years fielding customer questions and handling return calls, we know that not every magnesium chloride hexahydrate on the global market hits the same bar for performance or safety.
There are grades made from old, mined sources and then processed only roughly, sometimes leaving plenty of insoluble grit, metals, or high calcium. Some operators use flue gas scrubbers or industrial waste streams to recover magnesium; these materials can look fine at a glance but fall apart with close testing. They clump, won’t fully dissolve, or leave muddy residue at the tank’s bottom. Asset managers and process engineers notice batch-to-batch inconsistency and end up with rejected product or extra labor hours spent solving avoidable issues. We’ve seen cases where low-quality magnesium chloride resulted in blocked hoses, sticky conveyors, or filter fouling.
To avoid these headaches, we rely on controlled brining, careful crystallization, and steady in-house testing. Purity remains the best checkpoint. Factories making tofu or supplements demand less than 0.01% heavy metals. Industrial plants focus more on size and flow. Our own standard never accepts visible grit, off odors, or color variation. If a batch does fall short, it gets reprocessed, not repackaged. Our work stays visible and accountable — there’s no trading off grade for quick profit. That’s how we earn contracts from factories and municipalities year after year.
Plenty of stories come out of our field support visits and customer calls. Humid storage conditions sometimes lead to caked bags and tough unloading. In those cases, we swapped unlined sacks for triple-ply, vapor-resistant options. After feedback from brine sprayer teams about inconsistent flow, we honed our granulation controls, using finer sieves and stricter batch mixing. Municipal customers once faced residue buildup from low-grade competitors; by switching to our higher-purity product, they cut system downtime in half, saving thousands in the process.
Global logistics present another challenge. Shipments crossing seas or sitting in hot, humid ports risk cake-up or leakage from torn packaging. To solve this, we now use UV-resistant, vented containers for overseas partners. For high-volume customers, our logistics leads track shipments through real-time systems so nobody gets caught by delivery gaps or unexpected humidity spikes. Freight forwarders we trust help turn those hard-learned lessons into smoother sailing and more reliable inventory turnover for our buyers.
Our team also advises buyers on proper storage: cool, dry conditions indoors protect product flow and prevent unwanted moisture gain. Every customer receives prep recommendations for tanks and spreaders, from initial fill to end-of-season cleaning, based on our years of troubleshooting in a variety of climates and operations. By sharing that know-how, we cut down on field complaints and keep customers focused on results, not challenges.
A chemical only earns trust once its performance and safety prove out day to day. We invest time training staff at customer sites and sharing safe handling habits that come from our own team’s experience. Magnesium chloride hexahydrate’s hygroscopic nature requires dry tools and gloves during handling. As our crews point out, spilled product can make floors slick — so we encourage prompt cleanup and highlight PPE standards for every operator.
We encourage clear labeling and separation of grades at warehouses, reducing the risk of mix-ups between technical, food, and pharmaceutical lots. Conference calls and routine plant visits help set safe operating parameters on customer mixing systems. After an incident involving accidental combination of high-calcium leftover salts and our product, we developed guidelines for strict first-in, first-out rotation and color-coded storage racks. These steps not only protect our customers but also reinforce our commitment to their ongoing success.
Many customers return to us not just for reliable chemistry but for the certainty our practices deliver. Every shipment’s purity and moisture content gets logged in writing and matched to batch records. Regulatory needs drive our documentation as much as our partner’s practical concerns — we never skip a step. Our staff stands ready to explain every process used and every result achieved, with real samples and records kept on hand. That attitude builds trust and leads to long-term contracts with partners who cannot afford guesswork in their supply chain.
Feedback from downstream users continually shapes our process decisions. From logistics to packaging to final use, the loop stays tight: honest reporting, swift adaptation, and a willingness to solve new challenges as industries evolve. We see firsthand how a small technical fix or packaging tweak can save a whole project for our customers, and we treat every upgrade as a chance to improve the entire workflow.
Every season offers new lessons. Drought years push demand for dust control; cold winters stretch de-icing routines. More industries look for sustainable mineral sources and seek partners who can verify every claim. We work regularly with environmental teams to reduce waste by recovering magnesium from regional brines and improving crystallization efficiency. Continued investment in process automation, air monitoring, and operator training reflects our conviction that high standards benefit both us and our customers.
In recent years, the conversation around safe sourcing and sustainable minerals has grown sharper. Municipal buyers, food processors, and major distribution partners now ask for lifecycle data on every shipment, seeking confirmation that what lands in their warehouse lines up with their safety and environmental goals. Our regular audits, third-party sampling, and on-site tours help us back up those claims in real time. Whenever customers raise new requirements — lower sodium, reduced carbon footprint, enhanced allergen checks — our technical group tests methods and adapts protocols quickly to keep us ahead of regulated shifts.
That approach grows from experience. Our team knows well that trust gets built batch by batch, shipment by shipment. Every flaw caught before shipment, every log kept straight, every customer problem solved keeps our partnerships strong and delivers value where it matters — in the field, the factory, and the lives of those counting on us to deliver a chemical that simply works as promised.
Our focus remains on making every ton count and ensuring that every customer, large or small, receives magnesium chloride hexahydrate that meets their unique challenges. We’re proud of the hands-on, practical experience shaping our process and confident in the difference our product brings to the businesses, industries, and communities it serves.