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Magnesium Stearate
Magnesium Stearate is one of the most commonly used metallic salt lubricants and pharmaceutical excipients. It is chemically stable, cost-effective, possesses a high melting point and exhibits excellent lubricating properties. The lubricant action of Magnesium Stearate is attributed to the adherence of its polar moiety on granules and powders, while the lipophilic moiety is oriented outward from the particle surface.
Magnesium Stearate is also used in cosmetic products and topical medical devices to enhance moisture-repellent properties. Typical concentrations used range between 0.25% and 5% by weight.
We specialize in manufacturing high-purity pharmaceutical excipients conforming to international quality standards.
Formula
Mg(C18H35O2)2
Molecular Weight
591.27 g/mol
Physical State
White, Very Fine & Light Powder
pH
7 (H₂O Slurry)
| Physical State | White, very fine and light powder, greasy to the touch |
|---|---|
| Solubility in Water | 0.003 g/100 mL (15°C), 0.004 g/100 mL (25°C), 0.008 g/100 mL (50°C) |
| pH | 7 (H₂O slurry) |
Magnesium Stearate is extensively used in the manufacture of pharmaceutical tablets, capsules and powders as a lubricant, anti-adherent and flow agent. It is also widely used in the food and cosmetic industries.
Key Applications Include:
Dietary Supplements & Pharmaceutical Formulations
Tablet & Capsule Manufacturing
Food Products Including Confectionery & Baking Ingredients
Chewing Gum, Herbs & Spices
Emulsifier, Binder & Thickener
Anti-Caking & Anti-Foaming Agent
Release & Lubricating Agent
Cosmetic & Topical Medical Products
Advantages & Disadvantages
Magnesium Stearate provides excellent lubrication, flowability and moisture resistance. It has been safely used for decades in the pharmaceutical and food industries.
However, excessive consumption may produce a laxative effect and may irritate the mucous lining of the intestines, potentially causing bowel movements or diarrhea. In formulations containing plastic deforming fillers such as starch and microcrystalline cellulose, excessive quantities may result in tablets with reduced hardness and increased friability.
Key Features
- Excellent Lubricating Properties
- Superior Flowability Enhancement
- Moisture Repellent Characteristics
- High Purity & Consistent Quality
- Chemically Stable
- Cost Effective Excipient
- Suitable for Tablets, Capsules & Powders
- Widely Accepted in Pharmaceutical & Food Industries
Shelf Life
Expiry: 3 years from the date of manufacture.
Storage Recommendations
Store in a cool and dry location, protected from moisture and direct sunlight.
Packaging
- 25 kg net weight packaging, packed in LDPE liner followed by HDPE woven bags.
- HDPE Drum
- Customized Packaging
