Aluminium Magnesium Silicate
Rheology Modifier, Suspending Agent & Stabilizer – Industrial and Specialty Grades for Pharmaceutical, Personal Care, Coatings, and Industrial Formulation Applications
Aluminium Magnesium Silicate is a naturally derived or refined hydrated silicate compound widely used as a rheology modifier, suspending agent, stabilizer, anti-caking agent, and viscosity enhancer across pharmaceutical, personal care, food, ceramic, coating, and industrial formulation sectors. The material is valued for its controlled particle size distribution, high surface area, chemical inertness, and stable thixotropic behavior in aqueous systems.
Natraj Chem supplies industrial and specialty grades sourced from validated manufacturers operating under strict process and quality compliance systems, ensuring batch-to-batch consistency suitable for regulated and performance-critical applications.
Chemical Identity
| Parameter | Details |
|---|---|
| Chemical Name | Aluminium Magnesium Silicate |
| Synonyms | Magnesium Aluminium Silicate, Hydrated Silicate Complex |
| Chemical Formula | Approx. Al₂Mg₃(Si₄O₁₀)(OH)₂·nH₂O |
| CAS Number | 1327-43-1 |
| Molecular Class | Layered Hydrated Silicate |
| Appearance | Fine off-white to cream powder |
| Solubility | Insoluble in water and organic solvents |
| pH (2% dispersion) | 8.0 – 10.5 |
Technical Properties
Precise physical and chemical characteristics engineered for consistent industrial performance.
| Property | Typical Range |
|---|---|
| Bulk Density | 0.3 – 0.7 g/cm³ |
| Loss on Drying | ≤ 12% |
| Viscosity (3% dispersion) | 300 – 2500 cps (grade dependent) |
| Particle Size | 200 – 400 mesh |
| Specific Surface Area | High |
| Oil Absorption | Moderate |
| Swelling Capacity | High |
| Thixotropy | Strong |
| Electrolyte Tolerance | Excellent |
| Thermal Stability | Stable up to ~300°C |
| Chemical Stability | Stable in neutral to mildly alkaline systems |
Values vary by grade and particle engineering.
Key Functional
Benefits
Eight performance-critical properties that make Aluminium Magnesium Silicate indispensable across regulated and industrial formulations.
Controlled Viscosity Without Gel Rigidity
Provides smooth, consistent viscosity profiles for optimal formulation flow and application performance.
Suspension Stabilization
Stabilizes suspensions and prevents sedimentation for long-term product shelf stability.
Enhanced Emulsion Stability
Improves emulsion stability and shelf life across a wide range of formulation types.
Improved Spreadability
Enhances spreadability in semi-solid systems for superior application and consumer experience.
Anti-Settling & Anti-Sag Properties
Functions as anti-settling and anti-sag agent in coatings for improved surface quality and finish.
Binder & Plasticity Modifier
Acts as binder and plasticity modifier in ceramics for precise shaping and green strength.
Rheology Maintenance Under Shear
Maintains rheology under mechanical shear with full viscosity recovery after processing.
Broad System Compatibility
Compatible with most nonionic and anionic systems for versatile formulation flexibility.
Industrial Applications
Select a sector to explore specific application roles and performance contributions.
Pharmaceutical & Nutraceutical
Regulated Grade AvailableUsed in formulations requiring stable suspensions, consistent viscosity, and pharmacopeial compliance. Functions as a structural rheological agent in both liquid and semi-solid dosage forms.
Cosmetics & Personal Care
Cosmetic Grade AvailableDelivers smooth rheological control in skin and hair care products. Provides oil absorption, mattifying effect, and suspension stability essential for premium formulations.
Paints & Coatings
Industrial GradeContributes to pigment suspension stability, anti-sag performance, and consistent viscosity during application and storage of water-based coating systems.
Ceramics & Refractories
Industrial GradeImproves workability and green strength in ceramic bodies. Enables controlled plasticity and consistent forming performance across industrial shaping processes.
Food & Processing
Food Grade AvailableApplied as anti-caking agent and suspension stabilizer in food-grade applications requiring regulatory-compliant functional minerals with full traceability documentation.
Industrial Formulations
Technical GradeProvides rheological control and stabilization in adhesives, agricultural suspensions, and oilfield drilling fluids where consistent performance under variable conditions is critical.
Grades / Specifications Available
Natraj Chem supplies Aluminium Magnesium Silicate in multiple grades to match your specific process conditions and regulatory requirements.
Pharmaceutical Grade
USP · BP · IP CompliantPharmacopeial-compliant with controlled impurities and full documentation for oral, topical, and nutraceutical formulations.
Cosmetic Grade
Personal Care · INCI ListedOptimized for creams, lotions, masks, and toothpaste with consistent viscosity performance and safety compliance.
Food Grade
FCC · Food Additive StandardCompliant with food additive standards for anti-caking and stabilization applications with complete traceability documentation.
Industrial Grade
Technical · Bulk SupplyVersatile for coatings, ceramics, adhesives, and industrial manufacturing at cost-effective bulk supply levels.
High-Viscosity Grade
Max Thixotropy · Strong NetworkEngineered for demanding thickening applications requiring maximum viscosity and strong thixotropic network formation.
Custom Specifications
OEM · Tailored PSDTailored particle sizes, electrolyte sensitivity profiles, and purity ranges for OEM and specialized formulation needs.
Need Help Selecting the Right Grade?
Our technical team provides expert consultation on grade selection based on your specific application requirements, processing conditions, and regulatory compliance needs. Contact us to receive customised solutions.
Quality Control Parameters
Each supplied batch passes an eight-stage verification protocol before release, ensuring specification-compliant material delivery every time.
Identity Confirmation (XRD / IR)
Rigorous instrumental analysis confirming material identity and mineralogical composition per reference standard.
Viscosity Profile Testing
Comprehensive rheological measurement ensuring consistent viscosity performance across all supplied batches.
pH Consistency
Controlled pH verification for optimal compatibility in target formulation systems and application environments.
Particle Size Analysis
Precise mesh specification and distribution measurement confirming processing requirements and suitability.
Heavy Metals Compliance
Comprehensive screening meeting regulatory requirements for pharmaceutical, food, and cosmetic grades.
Microbial Limits (Regulated Grades)
Microbiological testing for pharmaceutical and food grades ensuring safety compliance at point of release.
Moisture Content
Loss on drying determination ensuring product stability during storage and consistent behavior in application.
Bulk Density Stability
Confirmed physical properties for consistent handling, dosing, and processing in customer manufacturing environments.
Packaging & Supply
Four standard packaging formats engineered for safe transit, moisture protection, and supply chain efficiency across all order volumes.
25 kg HDPE Laminated Bags
Moisture-proof inner liner, easy-seal top; suitable for regulated and industrial environments.
Standard PackFiber Drums with Inner Liner
Sealed inner liner protects specialty and pharma grades from contamination and moisture.
Specialty PackJumbo Bags / FIBC
500–1000 kg capacity for bulk industrial users; UV-stabilised weave with discharge spout option.
Bulk PackCustom Export Packaging
Tailored configurations for international logistics compliance and export documentation requirements.
Export PackConsistent supply maintained through multi-source procurement and inventory coordination.
Storage & Handling
Follow these four handling principles to preserve rheological properties and ensure product performance throughout the supply chain.
Store in Dry, Ventilated Conditions
Maintain proper environmental controls to preserve rheological properties and prevent moisture-induced clumping or activity loss.
Avoid Moisture Exposure
Keep all packaging sealed between uses. Avoid exposure to humid environments that can alter viscosity and reduce shelf life.
Keep Containers Sealed After Use
Reseal containers promptly to prevent moisture ingress and maintain specification compliance throughout the product's shelf life.
Use Dust Extraction for Bulk Handling
Required for fine grades during bulk transfer. Minimises airborne particle exposure and ensures workplace safety compliance.
Shelf life: typically 24 months under recommended storage conditions.
Regulatory / Safety Information
Aluminium Magnesium Silicate is non-hazardous under standard transport regulations and widely accepted across regulated industries globally.
Non-Hazardous Transport Classification
No special transport restrictions under standard international freight regulations. Classified as a non-dangerous good for road, sea, and air shipment.
REACH-Compliant Sources Available
Material sourced from REACH-registered suppliers with full compliance documentation available on request for EU-market shipments.
Regulatory Documentation for Food & Pharma
Complete documentation packages — declarations of compliance, specifications, and certificates — supporting regulated submissions and audits.
Safety Data Sheet (SDS) with Every Shipment
Comprehensive hazard information, handling guidelines, and emergency response data provided in full with each delivery for workplace safety compliance.
Users must follow local occupational exposure and dust control regulations applicable to mineral powder handling.
Why Industries Source from Natraj Chem
- Established chemical supply expertise since 1984
- Deep specialization in aluminium-based materials
- Multi-stage vendor qualification system
- Strict incoming lot verification
- Industrial-scale supply capability
- Consistent rheological performance across batches
- Reliable documentation and traceability
- Procurement flexibility for bulk and specialty orders
The sourcing model ensures consistent quality without production variability risks.
Technical Support & Documentation
Six categories of technical assistance available from personnel familiar with industrial chemical specifications and formulation performance criteria.
Certificate of Analysis (COA)
Batch-specific quality verification with test results and compliance confirmation for every shipment.
Technical Data Sheet (TDS)
Detailed specifications and performance characteristics for technical evaluation and formulation trials.
Method of Analysis (MOA)
Standardized test procedures enabling in-house quality verification by the customer's QC team.
Regulatory Declarations
Full documentation supporting global regulatory requirements, standards compliance, and market submissions.
Application Compatibility Guidance
Expert advice on grade compatibility with existing formulations, process systems, and equipment.
Formulation Assistance
Technical consultation for viscosity and suspension design to optimise product performance outcomes.
Frequently Asked Questions
It is primarily used as a suspending agent, viscosity modifier, stabilizer, and anti-settling additive in pharmaceuticals, cosmetics, coatings, and industrial formulations.
No. It hydrates and disperses to form colloidal structures but does not dissolve in water or organic solvents.
Its layered silicate structure forms a three-dimensional network that traps particles and prevents sedimentation, maintaining a stable suspension over time.
It performs best in neutral to moderately alkaline systems, typically with a 2% dispersion pH of 8.0–10.5.
Yes. Pharmaceutical grades meeting pharmacopeial standards (USP / BP) are available with complete regulatory documentation.
Yes. It produces opaque or translucent dispersions depending on concentration and application context.
Both are layered silicates, but Aluminium Magnesium Silicate is more refined and controlled in viscosity performance, making it preferred for regulated pharmaceutical and cosmetic applications.
Yes. It exhibits shear-thinning behaviour and recovers viscosity after mechanical stress, making it well-suited for high-shear manufacturing environments.
Fine mesh grades (300–400 mesh) provide optimal dispersion and stability for suspension formulations.
Selected grades show high electrolyte tolerance, making them suitable for complex formulations containing salts or ionic compounds.
Get Technical Data & Custom Quote Today
Aluminium Magnesium Silicate is a technically versatile rheological and stabilization agent essential for modern industrial and regulated formulations. Natraj Chem supplies verified-quality material supported by technical validation, documentation, and dependable sourcing infrastructure suited for global industrial procurement.
- Technical Data Sheets (TDS) & Safety Data Sheets (SDS)
- Certificate of Analysis (COA) & Method of Analysis (MOA)
- Competitive bulk pricing & volume quotes
- Regulatory declarations for pharma, food & cosmetic grades
- OEM / custom manufacturing and formulation inquiries