Magnesium Chloride

Magnesium chloride is an important inorganic chemical raw material and magnesium salt product, characterized by its easy solubility in water, strong hygroscopicity, and neutral aqueous solution.

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Product Description

The product is available in multiple grades, including industrial grade (hexahydrate, content ≥96.0%), food grade (hexahydrate, content ≥98.0%), and reagent grade, to meet the diverse needs of customers in various industries. It is widely used in building materials (magnesium oxychloride cement, fireproof boards, etc.), transportation (road de-icing agents), chemicals (magnesium salt production, antifreeze), metallurgy (metallic magnesium production), and food (tofu coagulant, food additives), among other fields. The product complies with relevant national standards, supports small-batch trial orders and customized packaging, and leverages major ports such as Qingdao Port, Tianjin Port, and Shanghai Port for efficient and hassle-free export.

Product Information

ItemDescription
Product NameMagnesium Chloride
CAS No.Anhydrous: 7786-30-3;Hexahydrate: 7791-18-6
EINECS No.232-094-6
Molecular FormulaAnhydrous: MgCl₂;Hexahydrate: MgCl₂·6H₂O
Molecular WeightAnhydrous: 95.21;Hexahydrate: 203.30
AppearanceColorless or white crystals (hexahydrate);White powder (anhydrous)
Main GradesIndustrial Grade (Hexahydrate) : White crystals, MgCl₂ content ≥96.0%. Used in building materials, deicing, metallurgy, chemicals.Food Grade (Hexahydrate) : White fine crystalline powder, MgCl₂ content ≥98.0%. Used as food additive (coagulant, stabilizer) for tofu, dairy, beverages.Reagent Grade (AR/CP) : Purity ≥98.0%, for laboratory analysis and chemical reagents.
Key Physical & Chemical PropertiesDensity: Anhydrous 2.32 g/mL (25℃);Hexahydrate approx. 1.57 g/cm³
Melting Point: Anhydrous 714℃;Hexahydrate 117℃
Boiling Point: 1412℃
Solubility: Soluble in water and alcohol, aqueous solution neutralHighly hygroscopic, deliquescent;Hexahydrate dehydrates to anhydrous at 117℃
FeaturesEasily soluble in water, key raw material for magnesium salts and building materials; Neutral aqueous solution, low toxicity; Strong hygroscopicity, requires sealed moisture-proof storage; As protein coagulant, produces tender and tasty tofu
Main ApplicationsBuilding Materials: Production of magnesia cement (fireproof boards, partition boards, decorative panels, ventilation ducts, manhole covers, etc.)Transportation: Road deicing agent, fast deicing with low corrosion to vehicles
Chemical Industry: Production of magnesium carbonate, magnesium hydroxide, magnesium oxide, and antifreeze raw material
Metallurgy: Production of magnesium metal (by molten electrolysis), liquid chlorine, and high-purity magnesia
Food Industry: Protein coagulant, food additive (stabilizer) for tofu, dairy, beverages, and fruit/vegetable preservationOthers: Fire extinguishing agents, refrigeration brine, ceramics, fabric filling, papermaking, pharmaceuticals
PackagingIndustrial Grade: 25kg woven bags (PE liner, moisture-proof)Food Grade: 25kg kraft paper bags (food-grade liner)Jumbo bags and custom packaging available
Storage ConditionsStore in dry warehouse below 25℃ (RH≤70%), away from acids and alkalis; keep sealed to prevent moisture absorption; store separately from oxidizers
Shipping RequirementsNon-hazardous cargo; protect from sunlight, rain and high temperatures during transport; prevent package damage; do not mix with oxidizers


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Q1: Is Huafeng Chemical a manufacturer or a trader?
A: We are a professional service provider specializing in chemical foreign trade. Rather than being limited to the products of a single factory, we leverage the chemical industry cluster in Shandong Province to integrate production resources from multiple high-quality manufacturers. This allows us to offer a wide range of sourcing options—covering various product categories and origins—instead of simply pushing a single product. Furthermore, our core competitiveness lies in our professional foreign trade services (covering documentation, logistics, and regulatory compliance), ensuring a smooth and worry-free procurement process for you.


Q2: How is the security of my transaction guaranteed when working with Huafeng Chemical?
A: We strictly adhere to international trade rules (Incoterms® 2020) and accept various payment methods, such as Letters of Credit (L/C) and Telegraphic Transfers (T/T). For new clients, we support small-batch trial orders and can clearly define arbitration clauses and applicable laws within the contract. Additionally, we maintain a robust risk management system to help you mitigate common trade risks, such as exchange rate fluctuations, shipping delays, and document discrepancies.


Q3: Do you have experience serving clients in Russian-speaking regions?
A: Yes. We place great importance on the Russian-speaking market; our team includes Russian-speaking business professionals who are well-versed in the import regulations of Russia and the Eurasian Economic Union (EAEU). We understand the importance of EAC certification to clients in these regions and can assist with related compliance inquiries. We have established connections with chemical traders across various CIS countries and have gained valuable experience in specialized packaging and temperature-controlled shipping designed to withstand harsh local winter conditions.


Q4: How do you guarantee product quality?
A: We implement a strict supplier qualification and periodic audit system. A Certificate of Analysis (COA)—issued by the original manufacturer—is provided with every shipment. We also welcome pre-shipment inspections conducted by internationally recognized third-party agencies such as SGS, BV, or ITS. Should the test results fail to meet the standards specified in the contract, you have the right to reject the goods or request a replacement.

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