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557-04-0 Magnesium Stearate

557-04-0 Magnesium Stearate

Magnesium stearate is a versatile oleochemical compound, characterized by its white, powdery form and widespread industrial applications. It is produced exclusively by the reaction of vegetable-based stearic acid and magnesium salts, is non-toxic, and is insoluble in water or ethanol. However, it does dissolve in hot organic solvents and acids. Because of its distinctive characteristics, many people generally recognize it as safe and extensively utilize it across industries.
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Product Name Magnesium Stearate
Molecular Formula Mg(C17H35COO)2
Molecular Weight 590
CAS Number 557-04-0
Appearance White powder
Metal Content(Mg%) 3.7~4.8
Free Fatty Acid(%) ≤5.0
Volatile Content 105℃(%) ≤4.0
Melting Point(℃) ≥120
Sieving Rate 120mesh,95%
Packaging 20kg/bag

Characteristics

1) Good dispersing properties;

2) Good mold-releasing properties.

Applications

Magnesium stearate (chemically stable) acts as lubricant/anti-adherent/mold release agent/heat stabilizer-indispensable for polymer, PVC, pencil lead, tablets & cosmetics.

PVC Stabilizer: Adds thermal stability during PVC processing, preventing material degradation.

Polymer Helper: Works as dispersant (even material distribution) & lubricant (reduces machine friction), boosting product quality.

Cosmetics: Acts as thickener, lubricant and anti-caking agent, enhancing texture, spreadability and stability of powders, eye shadows, blushes, etc.

Storage and Handling

Storage and transport under a shady, cool, and ventilated environment; Avoid acid, alkal, and corrosive substances. Keep it away from the humidity, hotness, fire, and corrosion.

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