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Magnesium Stearate

Magnesium Stearate

Overview

Magnesium Stearate is a high-performance metallic stearate widely used for its excellent lubricating, anti-tacking, dispersing, and stabilizing properties. It is a white, fine, hydrophobic powder derived from vegetable-based stearic acid, ensuring consistency, safety, and regulatory compliance across industries. At CORE METCHEM, Magnesium Stearate is manufactured using controlled reaction processes to achieve high purity, uniform particle size, and superior flowability, making it suitable for demanding industrial and pharmaceutical applications. Manufactured to stringent quality standards, CORE METCHEM's Magnesium Stearate is suitable for both domestic and export markets, offering reliable performance and consistency across batches.
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Magnesium Stearate

Key Properties

Appearance:

Appearance:

White, fine, hydrophobic powder.

Solubility:

Solubility:

Insoluble in water and ethanol; dispersible in hot oils and select organic solvents.

Nature:

Nature:

Non-toxic, chemically stable, moisture resistant.

Density:

Density:

Approx. 1.03 g/cm³.

Melting / Decomposition Range:

Melting / Decomposition Range:

88 – 150 °C.

Functional Benefits:

Functional Benefits:

Excellent lubricity, anti-tack behavior, and flow improvement.

Applications

Magnesium Stearate is extensively used in:

Pharmaceutical Manufacturing
Pharmaceutical Manufacturing
Cosmetics & Personal Care (Technical Grade)
Cosmetics & Personal Care (Technical Grade)
Bond

Technical Specifications

Grades of Magnesium Stearate

Grade Name
Appearance
Metal Content %
Ash Content %
Free Fatty Acid
Moisture
Melting Point (°C)
Density (g/l)
Sieve Residue on 200 Mesh
MS A
White Powder
3.80 - 5.0
–
3.0 MAX.
6.0 MAX.
118 - 125
250 - 320
1.00 max.
MS B
White Powder
3.80 - 5.0
–
3.0 MAX.
6.0 MAX.
118 - 123
250 - 320
1.00 max.
Bond

Key Features & Benefits

Excellent Lubrication & Anti-Adhesion

Reduces sticking during tablet compression and capsule filling.

Improves Followability

Enhances powder movement in blending, filling and granulation systems.

High Hydrophobicity

Provides moisture resistance, stability and smooth processing.

Consistent Particle Size & Purity

Ensures uniform blending in pharmaceutical and industrial applications.

Thermal & Chemical Stability

Suitable for high-temperature polymer and coating processes.

Versatile Functional Additive

Works as a lubricant, anti-caking agent, binder and release agent.

Other product

Calcium Stearate

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