Magnesium Oxide (MgO)
Light & Heavy Grade Industrial & Pharmaceutical Magnesium Oxide โ Engineered for Controlled Reactivity, High Purity, and Batch-to-Batch Consistency
Magnesium Oxide (MgO) supplied by Natraj Chem is an industrial-grade inorganic compound engineered for controlled reactivity, high purity, and batch-to-batch consistency. Available in Light and Heavy grades, the material is sourced through validated global manufacturers and qualified through multi-stage quality verification to meet demanding industrial specifications.
This product is supplied for applications requiring thermal stability, acid neutralization, refractory performance, adsorption capacity, or mineral supplementation. Supply programs are structured for manufacturers requiring predictable physical properties, reliable logistics, and documented traceability.
Chemical Identity
| Parameter | Value |
|---|---|
| Chemical Name | Magnesium Oxide |
| Synonyms | Magnesia, Calcined Magnesia |
| Molecular Formula | MgO |
| Molecular Weight | 40.30 g/mol |
| CAS Number | 1309-48-4 |
| EC Number | 215-171-9 |
| Appearance | White powder |
| Odor | Odorless |
| Solubility | Practically insoluble in water |
| Chemical Class | Alkaline earth metal oxide |
Technical Properties
Precise physical and chemical characteristics engineered for consistent industrial performance.
| Property | Light MgO | Heavy MgO |
|---|---|---|
| Bulk Density | Low | High |
| Surface Area | High | Moderate |
| Reactivity | Higher | Controlled |
| Particle Morphology | Porous | Dense |
| Oil Absorption | Higher | Lower |
| Acid Neutralization Rate | Fast | Moderate |
| Thermal Stability | Excellent | Excellent |
| Loss on Ignition | Controlled | Controlled |
| MgO Assay | Up to 99% | Up to 99% |
Key Functional Benefits
High Thermal Resistance
Suitable for refractory and insulation systems with exceptional temperature stability up to 2852ยฐC
Strong Alkaline Behavior
Enabling effective neutralization reactions across diverse industrial processes
Chemically Stable
Under high temperature and oxidative environments, ensuring reliable performance
Excellent Adsorption Capacity
For contaminants and moisture, providing purification and stabilization benefits
Consistent Particle Distribution
Enabling predictable formulation behavior and processing efficiency
Low Impurity Profile
Supporting pharmaceutical, feed, and specialty grades with stringent quality requirements
Industrial Applications
Refractories & Ceramics
High-temperature stabilizer and refractory lining component
Rubber & Polymers
Acid scavenger, curing aid, and reinforcing filler
Metallurgy
Fluxing agent and furnace lining material
Environmental Treatment
pH correction and heavy metal precipitation
Agriculture & Animal Feed
Magnesium supplement with high bioavailability
Pharmaceutical & Personal Care
Antacid formulations and absorbent systems
Construction Materials
Magnesium cement and fire-resistant boards
Oil & Gas / Drilling Fluids
Neutralizing agent in drilling mud systems
Grades / Specifications Available
Natraj Chem supplies magnesium oxide in multiple industrial grades to match your specific process conditions and regulatory requirements
Light Magnesium Oxide
High surface area, low bulk density โ ideal for fast reactivity applications requiring maximum interfacial activity, adsorption capacity, and rapid acid neutralization.
Heavy Magnesium Oxide
Dense structure, controlled reaction rate โ optimized for applications requiring slow-release properties, enhanced stability, and controlled processing behavior.
Industrial Grade
Standard manufacturing grade for general industrial processing โ cost-effective solution for bulk applications and intermediate synthesis processes.
Technical Grade
Enhanced purity for formulation and processing applications โ designed for systems requiring controlled impurity profiles and consistent performance characteristics.
Feed Grade
Controlled impurity profile for animal nutrition โ meets feed safety standards with optimized bioavailability and minimal heavy metal content.
High Purity Grade
Up to 99% MgO assay for specialty manufacturing โ ultra-low impurities for pharmaceutical, electronic, and advanced material applications.
๐ Typical Specification Parameters Available:
- MgO content
- CaO content
- FeโOโ trace level
- Insoluble matter
- Surface area (BET)
- Bulk density
- Particle size distribution
- Loss on ignition
- Chloride / sulfate traces
Quality Control Parameters
All consignments undergo verification based on internationally accepted testing protocols:
Assay Validation
Via titrimetric or instrumental methods for accurate composition analysis
Particle Size Analysis
Using laser diffraction or sieve analysis for precise distribution control
Surface Area Determination
For reactive grade selection ensuring optimal performance characteristics
Moisture & Volatile Content
Ensuring product stability and storage compatibility
Heavy Metal Screening
Where applicable to meet regulatory compliance standards
Batch Homogeneity Testing
Ensuring consistent quality throughout the entire lot
Material is released only after conformity to declared specifications and Certificate of Analysis approval.
Packaging & Supply
Standard supply formats designed for safe handling and optimal logistics:
25 kg Multiwall Bags
Standard packaging for controlled handling and storage convenience. Ideal for medium-scale operations.
50 kg Industrial Sacks
Heavy-duty packaging for high-volume industrial applications. Durable construction for demanding environments.
Jumbo Bags (500โ1000 kg)
Large-scale packaging for bulk users and efficient material handling. Optimized for logistics and warehouse operations.
Bulk Tanker Loading
For high-volume users requiring direct plant delivery and storage systems. Cost-effective for large-scale operations.
๐ Packaging Selection Based On:
- Moisture sensitivity requirements
- Transport duration and conditions
- Storage environment specifications
- Material handling systems compatibility
Global dispatch coordination supports contract supply schedules and repeat procurement cycles.
Storage & Handling
Proper storage and handling guidelines for maintaining product quality:
Dry, Covered Environment
Maintain controlled conditions to prevent moisture absorption and hydration
Avoid Moisture & COโ
Prevents conversion to magnesium hydroxide or carbonate
Use Sealed Containers
To prevent hydration and maintain original reactivity characteristics
Dust Control Systems
Essential for workplace safety and minimizing airborne particles
Avoid Contact with Acids
Unless intended for reaction, to maintain product stability
FIFO Stock Rotation
Ensures optimal product freshness and consistent performance
โ ๏ธ Important: Improper storage can convert MgO to magnesium hydroxide, altering reactivity.
Regulatory / Safety Information
Magnesium oxide is generally classified with the following safety characteristics:
Non-flammable Inorganic Solid
Safe for general industrial handling with standard precautions. Classified as non-combustible material.
Mildly Alkaline Properties
May cause irritation to eyes and respiratory tract. Use appropriate personal protective equipment during handling.
Use PPE During Handling
Gloves, goggles, and dust mask recommended for workplace safety. Follow OSHA guidelines for chemical handling.
Transport Classification
Generally non-hazardous for shipping under standard regulations. Complies with DOT and IMDG codes.
๐ Documentation Available:
- Safety Data Sheet (SDS) available for all supplied grades
- Conforms to industrial chemical handling standards
- Complete regulatory compliance documentation provided
Why Industries Source from Natraj Chem
Operating from Bhavnagar, Gujarat, the company combines manufacturing legacy with disciplined sourcing infrastructure. Since 1984, the organization has developed technical evaluation expertise for mineral-based chemicals. Current supply operations emphasize:
- Verified manufacturer qualification with documented audits
- Lot-wise traceability for complete supply chain transparency
- Consistent specification control across all grades
- Stable procurement channels ensuring supply continuity
- Industrial scale logistics reliability for on-time delivery
- Multi-grade availability from single trusted source
This structure allows buyers to maintain production continuity without quality variability.
Technical Support & Documentation
Available documentation includes comprehensive support for procurement and technical evaluation:
Certificate of Analysis (COA)
Batch-specific quality verification with complete test results.
Technical Data Sheet (TDS)
Detailed specifications and performance characteristics.
Safety Data Sheet (SDS)
Complete hazard information and handling guidelines.
Regulatory compliance declarations
Full documentation supporting industry standards.
Application suitability guidance
Expert consultation on optimal usage in your processes.
Compatibility recommendations
Technical assessment for specific formulation requirements.
Technical teams assist procurement and formulation departments in selecting correct grade based on performance requirements.
Frequently Asked Questions
Light grade has higher surface area and faster reactivity; heavy grade is denser with slower reaction rate and higher bulk density.
Refractory, rubber, agriculture, ceramics, pharmaceuticals, metallurgy, environmental treatment, and drilling fluid manufacturers.
Yes. Its alkaline oxide structure reacts efficiently with acids, forming magnesium salts and water.
Depending on grade, assay can reach up to 99% MgO with controlled trace impurities.
Finer particles increase reactivity and dispersion; coarser particles provide controlled release and stability.
Yes. With a melting point above 2800 ยฐC, it performs reliably in refractory and furnace environments.
Indefinite under dry storage conditions; moisture exposure reduces reactivity.
Yes. It functions as acid acceptor, stabilizer, and reinforcing mineral filler.
It is hygroscopic and can slowly hydrate, so sealed storage is recommended.
Assay level, bulk density, PSD, impurity profile, surface area, and reactivity index.
Get Technical Data & Custom Quote Today
Magnesium Oxide (Light & Heavy) supplied through alumaghydroxide.com is engineered for industrial reliability, specification consistency, and process compatibility. With structured sourcing protocols, validated manufacturing partners, and detailed quality verification, the material supports manufacturers requiring stable raw material performance across large-scale production environments.
