Product Name
Magnesium Stearate
CAS Number
557-04-0
Molecular Formula
C36H70MgO4
Appearance
White or off-white fine powder or granules
Description
Magnesium Stearate is a compound of magnesium and stearic acid, widely used in pharmaceutical, food, and cosmetic industries. It serves as a lubricant, anti-caking agent, and stabilizer. In pharmaceutical applications, it is particularly crucial for the smooth manufacturing of tablets and capsules. Magnesium Stearate has excellent flow properties, low friction coefficient, and superior lubricating abilities, facilitating smoother tablet compression processes and reducing equipment wear.
Uses
Pharmaceutical Industry
Magnesium Stearate is one of the most commonly used excipients in pharmaceutical formulations. Its primary functions include:
Lubricant: Helps reduce friction during tablet compression, making it easier for powders to flow into molds and preventing sticking to machinery.
Anti-caking Agent: Prevents the clumping of powders, ensuring uniformity and consistency in tablet and capsule formulations.
Improves Powder Flow: Enhances the flowability of fine powders, which is essential for consistent tablet filling and smooth tablet pressing.
Tablet Binding & Cohesion: While not acting as a binder itself, magnesium stearate assists in improving tablet cohesion when combined with other excipients.
Controlled Release: In some formulations, it can be used in combination with other materials to help control the release of active ingredients from tablets and capsules.
Food Industry
Anti-caking Agent: Prevents powdered food ingredients, such as spices, powdered milk, and salt, from clumping together during storage and handling.
Flow Improver: Ensures a smooth flow of ingredients during manufacturing, reducing downtime and improving production efficiency.
Quality Standards
- Standards: Conforms to USP and EP
- Purity: ≥ 98%
- Heavy Metals: ≤ 20 ppm
Storage Conditions
- Store in a cool, dry place, away from direct sunlight.
- Keep in a tightly sealed container to prevent moisture absorption and contamination.
- Ensure proper ventilation to avoid any buildup of humidity in storage areas.
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