
Magnesium Stearate Powder
| Product Name | Magnesium Stearate |
| Aliases | Magnesium dioctadecanoate,Dibasic magnesium stearate,Mg stearate,Octadecanoic acid,magnesium salt |
| CAS Number | 557-04-0 |
| E Number | E470b |
| Molecular Formula | C36H70MgO4 |
| Molecular Weight | 591.26 g/mol |
| Appearance | Fine, white, fluffy powder |
| Packaging | 25 kg / bag |
Bulk Magnesium Stearate Powder Supplier | High Purity & Food Grade
Oclean Nutra is a trusted supplier and exporter of high-purity Magnesium Stearate Powder. Our product, with a purity of ≥99%, is specifically designed as a reliable lubricant and anti-adherent for the nutraceutical and food industries. We ensure consistent quality and performance for your tablet and capsule manufacturing needs. Contact us for a competitive bulk quote.
What is Magnesium Stearate Powder?
Magnesium Stearate is a finely textured, white powder that serves as a crucial functional excipient in industrial manufacturing. Its chemical formula is C₃₆H₇₀MgO₄, and it is the magnesium salt of stearic acid. This compound is renowned for its excellent lubricating properties.
In production processes, it is primarily used to prevent ingredients from sticking to manufacturing equipment during compression and encapsulation. This makes Magnesium Stearate for tablets and capsules an indispensable ingredient, ensuring high production efficiency and consistent product quality for B2B clients.
The Efficacy of Magnesium Stearate
As a key manufacturing aid, Magnesium Stearate Powder offers several critical functions:
- Superior Lubrication: It significantly reduces friction between the powder blend and the metal surfaces of tablet punches and dies, preventing sticking and ensuring smooth, continuous production runs with minimal downtime.
- Effective Anti-Adhesion: This property prevents powdered formulations from clinging to machinery and other particles, which is vital for maintaining the uniformity and structural integrity of the final product, such as supplements or pharmaceutical tablets.
- Enhanced Flowability: By reducing inter-particle friction, the powder blend flows more freely and consistently into tablet presses or capsule filling machines, leading to more accurate dosing and uniform weight control.
- Promoting Tablet Disintegration: While it acts as a lubricant, when used at optimal concentrations, it still allows the finished tablet to break apart effectively upon ingestion, ensuring the bioavailability of the active ingredients.
How We Ensure Premium Quality
At Oclean Nutra, our commitment to quality is paramount. Our high purity Magnesium Stearate Powder is produced and handled under strict quality control protocols. Every batch is rigorously tested to meet stringent specifications. We provide a comprehensive, batch-specific Certificate of Analysis (COA) to all our B2B partners, ensuring full transparency and traceability for your supply chain. Request the full COA for detailed data.
Sources of Our Magnesium Stearate
We understand the importance of origin in today's market. Our Magnesium Stearate is derived from vegetable sources, making it suitable for a wide range of consumer preferences and regulatory requirements. This vegetable-based Magnesium Stearate is non-GMO and aligns with the demand for plant-derived ingredients in the global nutraceutical and food sectors.
Safety and Compliance
Our Magnesium Stearate Powder is compliant with major international standards for food and nutraceutical applications. It is produced to meet Food Grade (FCC) specifications and conforms to the monographs of relevant pharmacopoeias, making it suitable for a broad spectrum of industrial uses. We prioritize safety and regulatory adherence to ensure our products integrate seamlessly into your global supply chain.
Product Specifications: Magnesium Stearate Powder
For B2B partners requiring detailed technical documentation. A comprehensive, batch-specific Certificate of Analysis (COA) will be provided promptly upon request.
| Parameter | Specification | Test Method |
|---|---|---|
| Identity | ||
| Product Name | Magnesium Stearate | - |
| CAS No. | 557-04-0 | - |
| E Number | E470b | - |
| Molecular Formula | C₃₆H₇₀MgO₄ | - |
| Key Specifications | ||
| Purity (Calculated) | ≥ 99% | Calculation |
| Assay (MgO) | 6.8% - 8.3% | Titrimetric |
| Appearance | Fine, White, Fluffy Powder | Visual Inspection |
| Loss on Drying | ≤ 5.0% | Gravimetric |
| Safety & Quality | ||
| Heavy Metals | ||
| - Lead (Pb) | ≤ 3.0 mg/kg | ICP-MS |
| - Arsenic (As) | ≤ 3.0 mg/kg | ICP-MS |
| - Cadmium (Cd) | ≤ 1.0 mg/kg | ICP-MS |
| - Mercury (Hg) | ≤ 0.1 mg/kg | ICP-MS |
| Total Plate Count | ≤ 1000 CFU/g | USP <61> |
| Yeast & Mold | ≤ 100 CFU/g | USP <61> |
| E. Coli | Negative | USP <62> |
| Salmonella | Negative | USP <62> |
| Certifications | ISO 9001, GMP (Certificates available upon request) | Audit Certification |
Note: Purity is calculated based on the Assay (MgO) result and the theoretical molecular composition of Magnesium Stearate.
Note: The specifications above define our standard Magnesium Stearate product profile. We also provide customization options—such as adjustments to particle size distribution and packaging—to meet specific formulation requirements. Contact us to request the full Certificate of Analysis (COA) for detailed, batch-specific data and supporting compliance documentation.
Packaging, Services & Inquiry
- Minimum Order Quantity (MOQ): 25 kg
- Free Sample: Available (10-20g/bag) for qualified businesses.
- Custom Services: Full support for OEM, ODM, Private Label, and Contract Manufacturing.
- Standard Packaging: 25 kg/bag. Custom packaging available.
- Shelf Life: 24 months in a cool, dry place away from light.
