Magnesium Chloride Hexahydrate (MgCl₂·6H₂O)
High-Purity Industrial & Technical Grade Magnesium Chloride Hexahydrate – Reliable Bulk Supplier for Chemical Processing, Brine Systems, and Industrial Formulations
Magnesium Chloride Hexahydrate (MgCl₂·6H₂O) is a highly soluble inorganic salt widely used as a process chemical, stabilizing agent, catalyst component, dust suppressant, and raw material for magnesium-based compounds. Its strong hygroscopic nature, ionic conductivity, and compatibility with aqueous systems make it suitable for industrial formulations, brine systems, environmental treatments, and manufacturing processes requiring controlled magnesium ion delivery.
Natraj Chem supplies industrial-grade, technical-grade, and customized specification magnesium chloride hexahydrate sourced from verified manufacturers and validated through strict quality control protocols to ensure batch-to-batch consistency for industrial production environments.
Chemical Identity
| Parameter | Specification |
|---|---|
| Chemical Name | Magnesium Chloride Hexahydrate |
| Molecular Formula | MgCl₂·6H₂O |
| Molecular Weight | 203.30 g/mol |
| CAS Number | 7791-18-6 |
| EC Number | 232-094-6 |
| Appearance | White crystalline solid or flakes |
| Odor | Odorless |
| Solubility | Highly soluble in water |
| pH (5% solution) | 5.0 – 7.0 |
| Chemical Class | Inorganic chloride salt |
Technical Properties
Precise physical and chemical characteristics engineered for consistent industrial performance.
| Property | Typical Value |
|---|---|
| Density | ~1.56 g/cm³ |
| Melting Behavior | Dehydrates on heating (~117 °C) |
| Boiling Point | Decomposes |
| Hygroscopicity | Strong |
| Conductivity | High ionic conductivity in solution |
| Heat of Solution | Exothermic dissolution |
| Stability | Stable under dry storage |
| Reactivity | Reacts with strong bases |
Key Functional Benefits
Seven core properties driving industrial performance across every application
Rapid Mg²⁺ Availability
Provides fast magnesium ion release in aqueous systems, enabling immediate reactivity in process formulations.
High Solubility
Dissolves readily in water, enabling easy formulation and rapid dissolution across a wide range of applications.
Hygroscopic Properties
Strong moisture-retention characteristics useful for dust suppression and humidity-control applications.
Enhanced Ionic Conductivity
Delivers high ionic conductivity in brine and process solutions, ideal for electrolytic and industrial uses.
Chemical Compatibility
Compatible with most inorganic salts and neutral formulations for versatile industrial use cases.
Efficient Raw Material
Serves as a direct precursor for magnesium hydroxide, carbonate, and specialty magnesium-based synthesis.
Stable Storage Form
The hexahydrate form offers predictable, stable handling characteristics under recommended dry storage conditions — making it the preferred form for consistent industrial supply chains.
Industrial Applications
Chemical Manufacturing
Used as a precursor for magnesium hydroxide, magnesium oxide, magnesium carbonate, and specialty magnesium salts. Essential for precipitation reactions, neutralization processes, and pH control.
Construction Materials
Acts as a binding component in magnesium oxychloride cement formulations used for flooring, panels, and fire-resistant boards.
Water & Wastewater Treatment
Functions as a coagulation aid and nutrient source in biological treatment systems. Supports phosphorus removal and sludge conditioning.
Textile Processing
Utilized in fabric finishing baths and as a catalyst or stabilizer in textile chemical formulations.
Oil & Gas / Drilling Fluids
Used in brine systems for density control, stabilization, and clay inhibition in drilling operations.
De-icing & Dust Control
Applied as a hygroscopic salt to reduce airborne dust on roads, mines, and industrial yards. Also used in de-icing solutions due to low freezing point.
Agriculture & Nutrient Solutions
Provides magnesium nutrient supplementation in controlled fertilizer formulations and hydroponic systems.
Metallurgical Processing
Used as a flux component and electrolyte modifier in metal extraction and refining operations.
Grades / Specifications Available
Natraj Chem supplies magnesium chloride hexahydrate in multiple controlled grades to match your specific process conditions and regulatory requirements
Industrial Grade
Versatile specification for manufacturing and processing with consistent quality for bulk chemical operations.
ManufacturingTechnical Grade
High-purity spec for chemical synthesis and precision formulations requiring exact composition control.
Chemical SynthesisWater Treatment Grade
Optimized for environmental systems with controlled impurities for safe water processing use.
EnvironmentalHigh Purity Grade
Premium grade for specialty formulations with enhanced purity and minimal contaminant levels.
Specialty Use💡 Need Help Selecting the Right Grade?
Our technical team provides expert consultation on grade selection based on your application requirements, processing conditions, and regulatory compliance needs.
Quality Control Parameters
Each batch is evaluated against strict acceptance criteria before release
Assay (MgCl₂ Content)
Rigorous testing ensuring product meets specified purity standards and concentration targets.
Magnesium Ion Concentration
Precise measurement of active magnesium content for formulation accuracy.
Chloride Content
Verified chloride levels for optimal performance and specification compliance.
Insoluble Matter
Quality verification for consistent formulation performance and solution clarity.
Heavy Metals Trace Analysis
Comprehensive testing to meet regulatory compliance and safety standards.
Iron Limits
Controlled iron content for applications requiring minimal contamination levels.
pH Range
Verified pH levels ensuring compatibility with target applications.
Moisture Content
Controlled moisture levels for optimal storage and performance stability.
Packaging & Supply
Four flexible formats — from standard sacks to full industrial-scale containerized supply
Small Format
HDPE Laminated Bags
With inner liner for moisture protection, safe manual handling, and precise inventory management.
25kg
Mid Format
Industrial Sacks
Heavy-duty packaging for standard industrial applications and warehouse storage requirements.
50kg
Bulk Format
Jumbo Bags (FIBC)
Large-scale flexible intermediate bulk containers for high-volume users and efficient logistics.
1 T
Maximum Scale
Containerized / Palletized
Full container and pallet shipments coordinated for moisture-protected, contamination-free delivery.
Bulk
Consistent supply maintained through multi-source procurement and inventory coordination.
Storage & Handling
Proper practices to preserve product quality and ensure workplace safety throughout the supply chain
Store in tightly sealed containers
Essential for preventing moisture absorption and maintaining product integrity.
Keep in dry, ventilated warehouse conditions
Maintain proper airflow and humidity controls in storage areas.
Use corrosion-resistant containers for solutions
Prevents equipment degradation and product contamination.
Wear standard PPE during handling
Gloves, eye protection, and dust mask recommended for handling.
Expose to humidity or open air
Hygroscopic nature causes rapid moisture absorption and clumping.
Store near strong oxidizers or strong bases
Prevents unwanted chemical reactions and product stability loss.
Store in high-temperature or humid environments
Heat and moisture accelerate degradation and product caking.
Leave packaging open after use
Always reseal immediately — brief air exposure causes moisture uptake.
Regulatory / Safety Information
Non-hazardous for transport under standard regulations. Comprehensive compliance documentation available on request.
Safety Data Sheet (MSDS / SDS)
Complete hazard communication document covering chemical properties, health effects, safe handling, first aid, storage, and disposal guidance for workplace compliance.
- → Compliant with GHS / REACH / OSHA standards
- → Covers all 16 sections with full hazard classification
- → Available in multiple languages upon request
- → Updated to current regulatory revisions
Technical Data Sheet (TDS)
Detailed document covering chemical specifications, physical properties, performance characteristics, and recommended use parameters for technical evaluation.
- → Full physicochemical property data
- → Grade-specific specification limits
- → Application guidance and compatibility notes
- → Packaging, storage, and shelf-life data
Certificate of Analysis (COA)
Batch-specific quality document confirming test results against specification limits, signed and issued per lot for traceability and incoming QC acceptance.
- → Batch number and manufacturing date included
- → All QC parameter results vs. specification
- → Analytical method references cited
- → Authorized signatory confirmation
Safety Classification Summary
Regulatory status overview for transport, workplace exposure, environmental handling, and international trade compliance requirements.
- ✓ Non-hazardous for transport under standard regulations (IATA / IMDG)
- ✓ Not classified as flammable or combustible
- ✓ Mild irritant to eyes and skin — standard PPE recommended
- ✓ No restricted substance listings under standard trade regulations
- ✓ Batch traceability records available for all supply lots
Why Industries Source from Natraj Chem
- Established chemical industry expertise since 1984
- Technical sourcing partnerships with audited manufacturers
- Strict raw material qualification protocols
- Consistent supply reliability for production operations
- Verified specifications aligned with industrial standards
- Ability to match customer process requirements
The company operates as a strategic sourcing partner delivering quality-verified materials suitable for continuous industrial use rather than spot-market trading supply.
Technical Support & Documentation
Six specialist services delivered by personnel familiar with industrial chemical specifications and performance criteria
Specification Matching
Customized specs aligned to your precise technical requirements.
Application Compatibility Review
Assessment of suitability with your existing formulations and processes.
Regulatory Documentation Support
Complete compliance documentation tailored to your regional requirements.
Natraj Chem Technical Team
Grade Selection Guidance
Expert guidance on choosing the optimal grade for your application.
COA Verification
Batch-specific Certificate of Analysis validation per shipment.
Bulk Procurement Consultation
Strategic sourcing and logistics coordination for large-volume orders.
Frequently Asked Questions
It is used in chemical synthesis, construction materials, wastewater treatment, drilling fluids, de-icing formulations, and magnesium compound production.
Yes. It dissolves readily in water and forms clear brine solutions with high ionic conductivity.
The hexahydrate contains six water molecules and is more stable for storage and easier to dissolve than anhydrous MgCl₂.
Yes. It is widely used to prepare brine solutions due to high solubility and conductivity properties.
Industrial, technical, water-treatment, high-purity, and custom grades are available to match specific application requirements.
Yes. It is strongly hygroscopic and must be stored in sealed containers to prevent moisture absorption and clumping.
It is commonly used as a precursor for magnesium salts and hydroxides in various chemical processes.
Industrial grades typically range between 98–100% purity depending on specification and grade requirements.
Store in dry conditions with moisture-barrier packaging to prevent clumping and maintain product integrity.
Yes. Bulk, palletized, and container shipments are available for industrial procurement and continuous operations.
Get Technical Data & Custom Quote Today
Magnesium Chloride Hexahydrate is a versatile, high-solubility inorganic salt essential across chemical processing, construction materials, environmental treatment, and industrial formulations. Natraj Chem provides specification-verified material supported by technical documentation, quality testing, and dependable logistics.
- Technical datasheets (TDS) & Safety Data Sheets (SDS)
- Certificate of Analysis (COA) samples
- Competitive bulk pricing & volume quotes
- Distributor / reseller partnership opportunities
- OEM / custom manufacturing inquiries